- 1 day ago
Germany's radio intelligence service cracked every army it faced. Czech codes in hours. Polish signals in days. Soviet transmissions read in plain text. By 1944, twelve thousand German operators were listening to the world — and the world was talking back.
Then the Americans showed up. And the frequencies went dark.
On the morning of June 6, 1944, a German signals operator outside Paris picked up something no one in his unit could explain. Mixed into the invasion traffic — sounds that belonged to no European language, no code system, no cipher method anyone had ever studied. Not encrypted. Not scrambled. Just impossible.
He didn't know it yet, but he wasn't facing one problem. He was facing five. A civilian engineer in Chicago who rewired how armies talk. A language from the plains of Oklahoma that no German university had ever taught. A machine guarded by a forty-pound thermite charge. And a country so vast, so loud, and so chaotic that its own chaos became the code.
The German intercept service had broken every enemy it ever listened to. The Americans broke them — without even trying.
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Then the Americans showed up. And the frequencies went dark.
On the morning of June 6, 1944, a German signals operator outside Paris picked up something no one in his unit could explain. Mixed into the invasion traffic — sounds that belonged to no European language, no code system, no cipher method anyone had ever studied. Not encrypted. Not scrambled. Just impossible.
He didn't know it yet, but he wasn't facing one problem. He was facing five. A civilian engineer in Chicago who rewired how armies talk. A language from the plains of Oklahoma that no German university had ever taught. A machine guarded by a forty-pound thermite charge. And a country so vast, so loud, and so chaotic that its own chaos became the code.
The German intercept service had broken every enemy it ever listened to. The Americans broke them — without even trying.
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LearningTranscript
00:00On June 6, 1944, at 6.30 in the morning, a 23-year-old Comanche named Larry Sawpity crouched behind
00:08the steel ramp of a landing craft 200 yards off the Normandy coast.
00:12He was a radio operator with the 4th Signal Company, 4th Infantry Division.
00:16The ramp dropped. Sawpity hit wet sand, found a seawall, powered his radio, and spoke.
00:23But he did not speak English. Into the static and the roar of naval guns, Sawpity transmitted two sentences in
00:30a language that had never been heard on any European battlefield.
00:34SAC NUNUI. ATATU NUNUI.
00:37We made a good landing. We landed in the wrong place.
00:4160 miles inland, in a stone building in Saint-Germain-en-Laye, a quiet suburb just west of Paris, a
00:48German signals intelligence operator pressed his headphones tighter.
00:51He was one of the men assigned to Kona 5, the Wehrmacht Signal Intelligence Regiment for Western Europe.
00:57And his evaluation center, NAAS-5, had spent months mapping the Allied radio buildup across the English Channel.
01:05They had identified unit call signs, tracked divisions by their electronic fingerprints, cataloged frequencies.
01:11They were among the best-trained intercept operators in the world.
01:15That morning, as the invasion began, the airwaves exploded.
01:19Bloated. Thousands of transmissions poured across every band.
01:23Voice. Morse. Encrypted bursts.
01:26But something was wrong.
01:28Mixed into the American frequencies they had been monitoring for months,
01:31there were signals that conformed to no linguistic system any German analyst had ever studied.
01:36Not encrypted. Not coded. Not scrambled.
01:40Just sounds. Rhythmic. Guttural. Fast.
01:44That no one in the building could identify.
01:46The operator wrote down phonetic fragments. Passed them up.
01:50No one at NAAS-5 could place the language.
01:53It was not English.
01:54Not French.
01:56Not any European tongue.
01:58Not any language their Japanese allies had briefed them on.
02:01It was, as far as German intelligence was concerned,
02:04a dead end before it started.
02:07If you're watching stories like this for the first time,
02:10hit subscribe and the like button.
02:11It helps these stories about American soldiers reach more people who care about remembering what they did.
02:18Now, hold that image.
02:20That operator in Saint-Germain-en-Laye,
02:23pencil frozen over his notepad,
02:25headphones full of words born three centuries ago on the plains of Oklahoma.
02:29Because to understand how he arrived at that moment,
02:33you need to understand what he had been before the Americans showed up.
02:37For five years, Germany's radio intelligence service had been the best in the world.
02:43That was not pride.
02:44That was operational fact.
02:46By 1944, roughly 12,000 German signal troops were engaged in intercepting,
02:53direction finding, decrypting,
02:54and evaluating enemy radio traffic on every front from Norway to North Africa.
03:00Think about that number for a moment.
03:0312,000 men whose only job was to listen to the enemy talk.
03:07And the enemy talked plenty.
03:09They had cracked Czech military communications in hours,
03:12twice using the same method,
03:14because the Czechs made the same mistake both times.
03:17They had read Polish army traffic almost as fast as the Poles sent it,
03:21following mobilization orders in real time
03:24until the Polish radio system collapsed entirely by the second day of the campaign.
03:29They had tracked the French high command's main station
03:32as it fled from Paris to Tours in June of 1940,
03:36and they knew the moment General Weygand moved his headquarters
03:39because the radio signature moved with him.
03:42On the Eastern Front,
03:43Soviet operators were so generous with plaintext transmissions
03:46that German intercept companies could reconstruct entire orders of battle.
03:51The NKVD's traffic alone was distinguishable by its unique call sign pattern,
03:56separate from the regular army,
03:58and the Germans read both.
04:00When the Soviets attacked Finland,
04:02German listeners in southern Galicia,
04:041,500 miles from the fighting,
04:06picked up the traffic clearly enough
04:07to map unit movements from the Baltic states
04:10to the Finnish front and back again,
04:12tracking individual divisions by name.
04:14Even the British,
04:16whose radio discipline was considered the tightest among the Allies,
04:19made critical mistakes.
04:21Their coastal defense nets transmitted call signs
04:23from the burn table in the clear,
04:26unencrypted, unchanging,
04:27which meant a German operator could identify the station,
04:30the network,
04:31and the chain of command within minutes of tuning in.
04:34Lieutenant General Albert Prahn,
04:37who became Germany's chief of army signals in 1944,
04:40and later wrote the definitive post-war report on German radio intelligence,
04:46noted with something close to disbelief
04:48that the British
04:49seriously impaired the value of their well-disciplined radio organization
04:53through such oversights.
04:55In short,
04:57every army that touched a radio transmitter became,
05:00sooner or later,
05:01readable.
05:02The only variable was time.
05:05Checks took hours.
05:06Polls took days.
05:07The French took weeks.
05:09The Soviets practically handed it over.
05:12And then came the Americans.
05:14Remember this fact,
05:15because the rest of the story depends on it.
05:18Until the summer of 1942,
05:20Prahn's own report states,
05:22no difficulties were encountered
05:24in intercepting American radio communications.
05:27The nets were easy to identify.
05:29British and American units
05:31could be told apart by their abbreviations,
05:33their operating signals,
05:34their different ways of reading numbers aloud.
05:37The Americans were,
05:39in the professional vocabulary of German signals officers,
05:42cooperative.
05:43That word,
05:45cooperative,
05:46is the key to this entire story.
05:48Because everything that happened next
05:51is the history of how the most cooperative radio service on Earth
05:54became the most impenetrable.
05:57Not because Americans learned discipline.
05:59Not because they tightened procedures.
06:01But because they became more American.
06:05And the German system
06:06had no model for what that meant.
06:09The wall the Germans hit
06:11was not one wall.
06:13It was five,
06:14stacked on top of each other.
06:15And each was made of something different.
06:18The first was invisible.
06:20It had nothing to do with codes
06:22or ciphers
06:23or secret languages.
06:24It came from a single engineer
06:26in a radio factory in Chicago
06:28who talked the United States Army
06:30into doing something
06:31no military on Earth
06:32had ever attempted.
06:34And the moment the Army said yes,
06:36every German intercept receiver
06:38pointing west
06:39went quiet.
06:41In 1940,
06:43the United States Army
06:44had a radio problem.
06:46Its tactical sets,
06:47the ones infantrymen
06:48and tank crews used in the field,
06:50ran on amplitude modulation.
06:52A.M.
06:54The same technology
06:55as every other army on Earth.
06:57And A.M. had a flaw
06:59that mattered enormously in combat.
07:01It was loud.
07:03Not in volume.
07:05Invisibility.
07:06An A.M. signal spread wide,
07:09bounced off the ionosphere,
07:11traveled enormous distances,
07:12and could be picked up
07:13by any receiver
07:14tuned to the right frequency band.
07:16For a German intercept station
07:18sitting 200 miles behind the front,
07:20American A.M. traffic
07:22was an open window.
07:24This was how the world worked in 1940.
07:27Radios talked,
07:28enemies listened.
07:29The only protection was encryption.
07:31And encryption was slow,
07:33fragile,
07:34and unavailable below division level.
07:37A sergeant calling for mortar support
07:38did not have a cipher machine
07:40in his foxhole.
07:41He had a radio
07:42and his voice.
07:43And anyone within range
07:45could hear him.
07:46A man named Daniel Noble
07:48thought there was a better way.
07:49Noble was an engineer
07:51at Galvin Manufacturing Corporation
07:52in Chicago,
07:54the company that would later
07:55rename itself Motorola.
07:56He was not military.
07:58He had no rank.
07:59But he understood something
08:01about frequency modulation,
08:02FM,
08:03that almost no one
08:04in the Army's signal corps
08:05had considered.
08:07FM signals traveled
08:08on very high frequencies,
08:11VHF,
08:11and VHF behaved differently
08:14from the frequencies
08:15the world's armies used.
08:16It did not bounce off
08:18the ionosphere.
08:19It did not travel
08:20hundreds of miles.
08:21It went in a straight line
08:23from antenna to antenna,
08:25and then it stopped.
08:27Line of sight,
08:28which meant that
08:29a German intercept station
08:3060 miles behind the front
08:32could point every receiver
08:34it owned
08:34at the American sector
08:35and hear exactly nothing,
08:38because the FM signal
08:39from a rifleman's radio
08:41never reached that far.
08:43Here is the detail
08:44that matters.
08:45Noble did not just
08:47have a theory.
08:48He had the backing
08:49of Edwin Howard Armstrong,
08:50a Columbia University professor
08:52who had invented
08:53wideband FM in 1933.
08:56Armstrong had demonstrated
08:57the technology in 1935
08:59in front of a stunned audience.
09:01They heard a glass of water
09:03being poured,
09:04a piece of paper being torn,
09:06sounds that would have been
09:07unrecognizable garbage
09:08over AM
09:09coming through the FM receiver
09:11with perfect clarity.
09:13When the war came,
09:14Armstrong offered
09:15his FM patents
09:16to the War Department
09:17for free.
09:18No licensing fee,
09:20no royalties.
09:21The most significant
09:22radio technology
09:23of the 20th century
09:24handed to the United States
09:26military at zero cost.
09:28Noble used that gift.
09:31He met with
09:32Signal Corps representatives
09:33and argued,
09:34pushed,
09:35insisted,
09:36that the Army's
09:37next generation
09:37of tactical radios
09:38should abandon AM entirely
09:40and build on FM.
09:43The Signal Corps
09:44had already drawn up
09:45specifications
09:45for a new infantry
09:47backpack radio
09:48using AM.
09:49Noble convinced them
09:50to tear up those specs
09:51and start over.
09:52The first result
09:54was the SCR-508,
09:56a vehicle-mounted FM
09:58set for tanks
09:59and jeeps,
09:59introduced in March
10:01of 1942.
10:02It operated between
10:0320 and 28 MHz
10:05and for the first time
10:07in history,
10:07an armored column
10:08could talk to itself
10:09without broadcasting
10:11its position
10:11to every intercept unit
10:13on the continent.
10:14The second result
10:16changed infantry warfare.
10:18The SCR-300,
10:20the radio that would
10:21earn the nickname
10:22Walkie-Talkie,
10:23weighed 38 pounds,
10:25rode on a soldier's back,
10:27operated between
10:2840 and 48 MHz,
10:29and gave a company
10:31commander a clear
10:31voice link
10:32to battalion headquarters
10:33up to five miles away.
10:35It went into combat
10:37for the first time
10:38at Anzio
10:38in January of 1944,
10:41and from that day forward,
10:43American infantry
10:44fought a different
10:45kind of war
10:45than anyone else
10:47on Earth.
10:48But this is the number
10:49you need to hold
10:50in your mind.
10:51Every rifle company
10:52in the United States Army
10:54also carried
10:54six SCR-536s,
10:57the Handy-Talkie,
10:58a five-pound handheld radio
11:00small enough to operate
11:01with one hand,
11:03six per company,
11:05one for each rifle platoon,
11:06two for the weapons platoon,
11:08one for the company commander.
11:10The 29th Infantry Division alone,
11:13one division,
11:14landing at Omaha Beach,
11:15carried hundreds
11:16of these radios
11:17across the sand
11:18on June 6th.
11:19No other army on Earth
11:21operated this way.
11:22The British did not have
11:24handheld radios
11:25at platoon level.
11:26The Germans did not.
11:27The Soviets did not.
11:29The Japanese did not.
11:31The American military
11:32had taken a consumer
11:33electronics company
11:34from Chicago
11:35and turned its infantry
11:36into the most
11:37radio-saturated force
11:38in history.
11:39Now think about
11:40what this meant
11:41for the German listeners.
11:42Before FM,
11:44a German intercept operator
11:45could sit at his station
11:46and tune across
11:47the American frequency bands
11:49like turning the dial
11:50on a home radio.
11:51He could hear
11:52tank commanders,
11:53forward observers,
11:55supply convoys,
11:56headquarters traffic,
11:57all of it floating
11:59through the air
11:59on AM waves
12:00that traveled far
12:01beyond the battlefield.
12:03After FM,
12:05those same frequencies
12:06went dark.
12:07The tactical chatter,
12:09the real-time,
12:10minute-by-minute
12:11voice traffic
12:11that told you
12:12where units were,
12:13what they were doing,
12:15and where they were going,
12:16simply vanished
12:17from German receivers.
12:19In July of 1943,
12:21the Germans
12:22captured several
12:23SCR-536s
12:25and at least
12:25one SCR-300
12:27during the fighting
12:28in Sicily.
12:30They examined them
12:31carefully.
12:31Their own technical reports
12:33described the American
12:34radios as,
12:35in their words,
12:37extremely effective.
12:38They understood
12:39the engineering.
12:41They understood
12:41the principle.
12:43But understanding
12:44a technology
12:44and replicating
12:45an entire industrial system
12:47are two different things.
12:50Germany never
12:51mass-produced
12:52a tactical FM radio
12:53to match.
12:54By the time
12:55they grasped
12:56what FM meant
12:57for the battlefield,
12:58American factories
12:59had built
12:59over 130,000
13:01handy talkies alone.
13:03So the first wall
13:05was up.
13:05German ears,
13:07trained to hear
13:07everything,
13:08suddenly heard silence
13:09where American voices
13:10should have been.
13:11But here is where
13:12the story deepens.
13:13Because FM
13:14did not cover everything.
13:16Higher-level communications,
13:18regiment to division,
13:19division to corps,
13:20still traveled
13:21on longer-range frequencies
13:23that German stations
13:24could intercept.
13:25And American soldiers,
13:27being American soldiers,
13:28were not always careful
13:30about what they said
13:30on those frequencies.
13:31So the Germans
13:32leaned harder
13:33into voice intercept,
13:34expecting that
13:35what they lost
13:36at the company level,
13:37they could recover
13:38at the battalion level
13:39and above.
13:40They pointed their best
13:41English-speaking operators
13:42at American voice traffic.
13:44And what those operators heard
13:45was a second wall,
13:47one that no amount
13:48of equipment could solve.
13:49To understand the problem
13:51German operators faced,
13:52you need to understand
13:54what kind of English
13:55they spoke.
13:56Germany Signals Intelligence Service
13:58recruited its English language
13:59specialists
14:00from a narrow pool.
14:02University-educated men,
14:03most of them,
14:04men who had learned English
14:05from textbooks,
14:06from literature,
14:07from the BBC World Service.
14:09Their English was precise,
14:11grammatical,
14:12and, in its way,
14:14excellent.
14:14They could read
14:15Churchill's speeches,
14:16they could parse
14:17a Royal Navy situation report,
14:19they could follow
14:20a British Armored Brigade's
14:21net traffic
14:22because the British
14:23spoke on the radio
14:24the way they wrote
14:25official memoranda,
14:26clipped,
14:27formal,
14:28structured.
14:29When a British officer
14:30transmitted coordinates,
14:31he did it the same way
14:32every time,
14:33using the same format,
14:35the same phonetic alphabet,
14:36the same procedural language.
14:38German intercept operators
14:40trained on British traffic
14:41described it as disciplined
14:43and predictable.
14:44Predictable was good.
14:46Predictable meant readable.
14:47Then,
14:48they tuned in to the Americans.
14:50Picture this.
14:51A German operator,
14:53let's say he spent
14:54four years at the
14:55University of Heidelberg
14:57studying English literature.
14:59He can discuss Shakespeare.
15:01He has read Hemingway.
15:02He listens to a transmission
15:04from an American
15:05infantry battalion
15:06somewhere in France,
15:07and what comes
15:08through his headphones
15:09is a 20-year-old
15:10from Flatbush, Brooklyn
15:12talking at twice the speed
15:14of any British officer,
15:15dropping consonants,
15:17swallowing vowels,
15:18using words that exist
15:19in no dictionary
15:20the German has ever seen.
15:22The kid on the radio
15:24calls a machine gun
15:25a chatterbox.
15:26He calls pancakes
15:27collision mats.
15:29He says a position is
15:30all balled up,
15:32and that the platoon sergeant
15:34bought the farm,
15:35and that someone needs
15:36to send up
15:37the pineapples,
15:38which means grenades,
15:40but only if you grew up
15:41in a country
15:42where that slang existed.
15:44And that was before
15:45the profanity.
15:46American soldiers
15:47had invented
15:48an entire vocabulary
15:49of acronyms
15:50that functioned
15:51as a parallel language.
15:53Snafu,
15:54situation normal,
15:55all fouled up.
15:57Fubar,
15:58fouled up beyond
15:59all recognition.
16:01Tarfu,
16:02things are really fouled up.
16:03These words appeared
16:05in radio traffic
16:06constantly.
16:07They were not code.
16:08They were not designed
16:09to confuse the enemy.
16:11They were just how
16:11Americans talked.
16:13But for a German linguist
16:14trained on Oxford English,
16:16hearing a transmission
16:17that went,
16:18the whole show
16:19is Fubar,
16:20tell the old man
16:21we need the plumber
16:22up here before
16:22Jerry drops another load,
16:24that was not a sentence.
16:26That was noise.
16:27And here is where
16:28it gets worse.
16:29The United States of America
16:31in 1944
16:32was not one country
16:34linguistically.
16:35It was 50.
16:36A kid from Boston
16:37pronounced words differently
16:39than a kid from Mississippi.
16:40A rancher's son
16:41from Montana
16:42used expressions
16:43that a factory worker
16:44from Detroit
16:45had never heard.
16:46And the army
16:47threw all of them together,
16:49Texans and New Yorkers
16:50and Minnesotans
16:51and boys from
16:52the Louisiana Bayou,
16:53and put radios
16:54in their hands
16:55and said,
16:56talk.
16:57The result was something
16:59no German training program
17:00could prepare for.
17:01Every American radionet
17:03sounded different
17:04from every other
17:05American radionet
17:06because the men on them
17:07came from different places,
17:09used different slang,
17:10spoke at different speeds,
17:11and followed procedures
17:13with a looseness
17:14that horrified the British
17:15almost as much
17:16as it baffled the Germans.
17:18British liaison officers
17:19who monitored American radionets
17:21during the Normandy campaign
17:22noted with alarm
17:24that American operators
17:25frequently abandoned
17:26proper call signs,
17:27used first names,
17:29made jokes,
17:30argued,
17:31and transmitted information
17:32that should have been encrypted,
17:33all in plain voice,
17:35all in a dialect
17:36that was, technically,
17:37English,
17:38but practically
17:39its own language.
17:40Now,
17:41think about what this meant
17:42from the German side.
17:44A German signals officer
17:45could assign his best English speaker
17:47to an American frequency.
17:49That operator could record
17:50hours of voice traffic.
17:52He could transcribe
17:53every word he heard.
17:54And when he brought
17:55the transcription
17:56to the evaluation center,
17:57the analyst would stare
17:59at sentences
17:59full of baseball metaphors,
18:01regional slang,
18:03profanity acronyms,
18:04and improvised nicknames
18:06for equipment,
18:06positions,
18:07and officers,
18:08and extract
18:09almost nothing
18:10of tactical value.
18:12It is worth pausing here
18:13to appreciate the irony.
18:15The German military was,
18:17in many ways,
18:17the most linguistically
18:19disciplined fighting force
18:20in history.
18:21German radio procedure
18:22was rigid by design.
18:24Call signs followed a system.
18:27Frequencies were assigned
18:28and adhered to.
18:29Messages were formatted
18:31according to regulation.
18:33When a German tank commander
18:34transmitted,
18:35he used the same words
18:36in the same order
18:38with the same abbreviations
18:39as every other German tank commander.
18:42This was considered a strength.
18:44It meant that any German operator
18:46could understand
18:47any German transmission instantly.
18:49But it also meant
18:51that the German mind
18:52was trained
18:52to look for patterns.
18:53Patterns in language,
18:55patterns in procedure,
18:57patterns in structure.
18:58And the American radio service
19:00had no pattern.
19:01Or rather,
19:03its pattern
19:03was the absence
19:04of pattern.
19:05The informality
19:06was not a flaw.
19:08It was the culture.
19:09And culture
19:10cannot be decrypted.
19:12A German cryptanalyst
19:13could break a cipher
19:14because ciphers
19:15follow mathematical rules.
19:16A German linguist
19:18could learn formal English
19:19because formal English
19:20follows grammatical rules.
19:22But no one
19:23could learn to think
19:23like a 20-year-old
19:24from Brooklyn
19:25who called a tank
19:26a bucket
19:27and an officer
19:28he disliked
19:28that sad sack
19:30and who signed off
19:31his transmissions
19:32not with a regulation
19:33call sign
19:34but with a nickname
19:35his squad had given him
19:36in boot camp.
19:37That was not a code.
19:39It was a life.
19:40Here is the fact
19:42that ties this together.
19:43German signals intelligence
19:45had built its entire system
19:46on one assumption
19:47that military communication
19:49is formal,
19:50structured,
19:51and therefore analyzable.
19:53The British
19:54confirmed that assumption.
19:55The Soviets
19:56confirmed it.
19:57The French
19:58confirmed it.
19:59Every army
20:00Germany had ever
20:00listened to
20:01confirmed it.
20:02The Americans
20:03broke it.
20:04Not by trying to,
20:06not by design,
20:07but because
20:07the United States Army
20:09was built from
20:10a civilian population
20:11that did not think
20:12in straight lines,
20:13did not speak
20:14in regulation,
20:15and did not treat
20:17a radio
20:17as a sacred instrument
20:18of command.
20:20They treated it
20:21the way they treated
20:21a telephone back home,
20:23as a thing you picked up
20:24and talked into
20:25the way you talked,
20:27two walls down.
20:28The Germans
20:29could not hear
20:30the tactical frequencies,
20:31and when they could hear
20:32the operational ones,
20:33they could not understand
20:35what was being said.
20:36But the story
20:37does not end here.
20:38Because even if
20:40every German operator
20:41had been born in Brooklyn
20:42and raised on baseball,
20:44even then,
20:45the sheer scale
20:46of what was coming
20:47through those frequencies
20:48would have buried them.
20:50Here is a number
20:50that will help you understand
20:52what German intelligence
20:53was up against.
20:54In the weeks
20:55immediately before D-Day,
20:57radio traffic
20:57from the European
20:58Theater of Operations
20:59alone,
21:00just headquarters,
21:01just the build-up,
21:02averaged between
21:031.5 million
21:05and 2 million
21:06cipher groups
21:07per day.
21:08Per day.
21:09That was before
21:10a single soldier
21:11stepped onto a landing craft.
21:12That was before
21:13any tactical radio
21:14was switched on.
21:16That was just
21:16the bureaucracy
21:17of invasion
21:18talking to itself.
21:19Now multiply it.
21:20When the landings began,
21:22when 150,000 men
21:24hit five beaches
21:25in a single morning,
21:26and every one of those men
21:27belonged to a unit
21:28that had radios,
21:29and every radio
21:30was transmitting,
21:31the volume of American
21:33signals traffic
21:33did not double.
21:34It did not triple.
21:36It became a flood
21:37so vast
21:38that the German intercept system,
21:40built for a world
21:41where armies transmitted
21:42dozens or hundreds
21:43of messages a day,
21:45found itself trying
21:46to drink from a fire hose.
21:47Consider the arithmetic
21:49at the company level alone.
21:50A standard American
21:52rifle company
21:52carried six SCR 536
21:55handheld radios.
21:56One division
21:57had roughly
21:5836 rifle companies.
21:59That is 216
22:01handheld radios
22:03in a single division's
22:04rifle companies.
22:05And that count
22:06does not include
22:07the battalion level
22:08SCR 300s,
22:10the regimental
22:11SCR 284s,
22:13the artillery forward
22:14observer sets,
22:15the tank radios
22:16in every Sherman,
22:17the tactical air
22:18control frequencies
22:19linking ground troops
22:20to fighter bombers,
22:22the naval gunfire nets
22:23linking the beach
22:24to the destroyers
22:25offshore.
22:25By the time you added
22:27every radio
22:28in a single American
22:29infantry division
22:30and its supporting units,
22:32you were looking
22:32at over a thousand
22:33transmitters generating
22:35voice and Morse traffic
22:36simultaneously
22:37across dozens
22:39of frequency bands.
22:40On June 6th,
22:42six American
22:43and British divisions
22:44landed in Normandy.
22:45Within a week,
22:46there were more.
22:48Within a month,
22:49over a million men
22:50were ashore.
22:51Each division
22:52brought its own
22:53constellation of radios.
22:54Each corps headquarters
22:56added another layer.
22:57Each army
22:58added another.
22:59The American
23:00First Army alone,
23:02one of two American
23:03armies in France
23:04by August,
23:05operated radio nets
23:06so dense
23:07that its own
23:08signal officers
23:09sometimes struggled
23:10to manage them.
23:11Now place yourself
23:12back in that stone
23:13building in
23:14Saint-Germain-en-Laye.
23:15You are a German
23:17intercept operator.
23:18You have good equipment.
23:19You have training.
23:21You have been doing this
23:22for years.
23:23Your mission
23:24is to listen to the enemy,
23:26extract useful intelligence,
23:27and deliver it to your commanders
23:29before it goes stale.
23:31That last part,
23:32before it goes stale,
23:33is the detail
23:34that broke the system.
23:36Because intelligence
23:37has a shelf life.
23:39A message intercepted
23:40at 8 in the morning
23:41that says,
23:423rd Battalion
23:43is moving through
23:44grid square
23:44such and such
23:45at 0900
23:46is useful
23:47at 8.15.
23:48By noon,
23:50it is history.
23:51The battalion
23:52has moved.
23:53The grid square
23:54is empty.
23:54The intelligence
23:55is dead.
23:56This was true
23:57in every war
23:58on every front,
23:59but it was never
24:00more brutally true
24:02than against the Americans.
24:03Because Americans
24:05moved fast.
24:06Faster than the Germans
24:07expected.
24:08Faster than their
24:09intelligence cycle
24:10could process.
24:11Here is how
24:12that cycle worked.
24:13A German intercept
24:14operator heard
24:15a transmission.
24:16If it was voice,
24:17he transcribed it,
24:19assuming he could
24:20understand it,
24:20which,
24:21as we have already
24:22established,
24:23was far from guaranteed.
24:24If it was encrypted,
24:26he forwarded the intercept
24:28to the cryptanalysis section
24:29where specialists
24:30attempted to break it.
24:32Broken or transcribed,
24:33the message went
24:34to the evaluation center
24:36where analysts
24:36compared it against
24:37known unit identifiers,
24:39map references,
24:40and previous intercepts
24:41to build a picture.
24:42That picture was then
24:44forwarded to the relevant
24:45army or army group
24:46headquarters.
24:47The entire process,
24:48when it worked well,
24:50took hours.
24:51When it did not work well,
24:53when traffic was heavy,
24:54when frequencies
24:55overlapped,
24:56when messages were garbled,
24:57it took a day or more.
24:59By the time that day
25:01had passed,
25:02the Americans were
25:03somewhere else entirely.
25:04This was the asymmetry
25:06that no amount
25:07of manpower could fix.
25:08Germany had 12,000
25:10signals intelligence
25:11troops spread across
25:12every front,
25:14east, west, southeast,
25:16Mediterranean.
25:17The western front
25:18got a fraction
25:19of that number.
25:20Kona 5,
25:21responsible for all of France
25:23and the Low Countries,
25:24was one regiment.
25:26One regiment
25:27against the combined
25:28radio output
25:29of two American armies,
25:30a British army group,
25:32and a Canadian army.
25:34Even before the invasion,
25:36Prawn's own report
25:37noted that the sheer volume
25:38of Allied traffic
25:39forced German intercept units
25:41to prioritize ruthlessly.
25:43Covering one net
25:44meant abandoning another.
25:47After the invasion,
25:48prioritization became triage.
25:50And triage became surrender.
25:53There is a phrase
25:54in signals intelligence,
25:56noise-to-signal ratio.
25:57When the ratio tips too far,
26:00when there is so much noise
26:01that the signal drowns,
26:03you stop trying to find the signal.
26:05You cannot process it.
26:07You cannot evaluate it.
26:09You cannot deliver it.
26:10You can only listen to the roar
26:12and know that somewhere inside it,
26:15there are words that matter,
26:16and you will never find them in time.
26:20By the late summer of 1944,
26:23German radio intelligence
26:24on the western front
26:25was functionally blind
26:26to American tactical movements.
26:29They could still intercept
26:30some higher-level traffic.
26:32They could still attempt
26:33to break M-209 cipher messages,
26:35and they did,
26:37reading perhaps 10 to 30% of them,
26:39though rarely fast enough to matter.
26:41But the real-time picture,
26:43the minute-by-minute awareness
26:45of what American units
26:46were doing on the ground,
26:48had slipped beyond their reach.
26:50The hose was too wide.
26:52The water was too fast.
26:54Three walls.
26:56The Germans could not hear
26:57the short-range tactical traffic
26:59because FM signals
27:01never reached their stations.
27:03They could not understand
27:04the voice traffic
27:05they did intercept
27:06because American English
27:07was not the English
27:08they had learned.
27:09And even when fragments
27:11came through clear enough
27:12to transcribe,
27:13the volume was so enormous
27:14and the speed of American operations
27:17so relentless
27:17that the intelligence was dead
27:19before it reached a general's desk.
27:21Any one of these walls
27:23would have been a serious problem.
27:25Together, they were crippling.
27:27But the Germans
27:28had not yet encountered
27:29the worst of it.
27:29Because mixed into that ocean
27:31of static and slang
27:33on frequencies the Germans
27:34could actually receive,
27:36there were transmissions
27:37in languages
27:37that were not merely unfamiliar.
27:39They were languages
27:40that had never been written down.
27:43Languages that came from a place
27:44no German linguist
27:45had ever studied
27:46and no German university
27:48had ever taught.
27:49And the first time
27:51German operators heard them,
27:52they did not know
27:53they were hearing a language
27:54at all.
27:55The story of how
27:56those languages
27:56ended up on a European battlefield
27:58begins 26 years earlier
28:00in a forest in France
28:02during a different war.
28:04October 1918
28:05The Meuse-Argonne Offensive
28:08The American 36th Infantry Division
28:11was pinned in fighting
28:12along the Aisne River
28:13and the Germans were reading
28:14every message
28:15the Americans sent.
28:16They had tapped
28:17the telephone lines.
28:18They had broken the codes.
28:20Every time the 36th
28:22tried to coordinate an attack,
28:23the Germans knew it was coming
28:25before the orders reached the front.
28:27A colonel named
28:27Alfred Wainwright Bloor
28:29commanding the 142nd Infantry Regiment
28:31was walking through
28:33his headquarters area
28:34when he overheard
28:35two of his soldiers talking.
28:36They were Choctaw
28:37from Oklahoma
28:38and they were speaking
28:39their native language.
28:41Bloor stopped.
28:42He could not understand
28:43a single word
28:44and in that moment
28:45he realized
28:45if he could not understand them
28:47neither could the Germans.
28:49Within hours
28:50Bloor had Choctaw speakers
28:52posted at field telephones
28:53along the line.
28:55On October 26th, 1918
28:57the first combat message
28:59in an indigenous American language
29:01was transmitted
29:01in order to withdraw
29:03two companies
29:04from Chufili to Chardini.
29:06The movement succeeded
29:07without interference.
29:09A German officer
29:10captured shortly afterward
29:12confirmed what Bloor suspected.
29:14The Germans, he said,
29:15had been completely confused
29:17by the Indian language
29:18and gained no benefit whatsoever
29:20from their wiretaps.
29:22Within 72 hours
29:24the tide of battle
29:25had turned.
29:26Now, here is the part
29:28that matters for our story.
29:30After that war ended
29:32German and Japanese
29:33intelligence took notice.
29:35Between the wars
29:36both nations sent students,
29:38researchers,
29:39and agents
29:40to the United States
29:41to study Native American languages.
29:43They visited reservations.
29:45They sat in
29:45on university courses.
29:46They attempted to build
29:48linguistic profiles
29:49of as many tribal languages
29:51as they could.
29:52They failed.
29:53Not because they were incompetent,
29:55but because the task
29:57was impossible.
29:58There were hundreds
29:59of indigenous languages
30:00in North America.
30:02Many had never been written down.
30:04They had no standard grammars,
30:06no published dictionaries.
30:08Their tonal structures,
30:09their syntax,
30:10their verb systems
30:11were so far removed
30:13from any European
30:14or Asian language family
30:15that even trained linguists
30:17needed years of immersion
30:19to achieve basic comprehension.
30:21And the Americans knew it.
30:24A military intelligence assessment
30:26noted that the Navajo dialect
30:27was regarded as
30:28completely unintelligible
30:30to outsiders
30:31and that fewer than 30
30:33non-Navajo Americans
30:34were believed to have
30:35any real knowledge
30:36of the language.
30:37The Germans had penetrated
30:39precisely zero of them.
30:42So when the next war came,
30:43the United States
30:44did it again,
30:46but this time by design.
30:48In the winter of 1940,
30:50the Army recruited
30:5117 young Comanche men
30:53from Oklahoma.
30:54They were sent
30:55to Fort Benning, Georgia
30:56and assigned
30:57to the 4th Signal Company,
30:584th Infantry Division.
31:00Their drill sergeant
31:01was surprised
31:01by how quickly
31:02they adapted
31:03to military life.
31:04Many had attended
31:05government boarding schools
31:06run with military discipline,
31:08the same schools
31:09that had tried
31:10to strip away
31:10their language
31:11language and culture.
31:12Now the Army wanted
31:13that language back.
31:15At Fort Benning,
31:16the Comanches
31:17did something remarkable.
31:18They built a code
31:19inside a code.
31:21The Comanche language
31:22itself was incomprehensible
31:24to outsiders.
31:25That was the first layer.
31:26But on top of it,
31:28they created
31:28250 specialized terms
31:30for military concepts
31:32that had no Comanche equivalent.
31:34Bombers became
31:35pregnant birds.
31:37Bombs were baby birds.
31:38tanks were turtles.
31:40Machine guns
31:41were sewing machines.
31:43Adolf Hitler
31:43was crazy white man.
31:45And for words
31:46that had no code term
31:47at all,
31:48they spelled them out
31:49letter by letter
31:50using random Comanche words,
31:52so that even a Comanche
31:53who was not part
31:54of the program
31:55could not follow
31:56the conversation.
31:57A military cipher machine
31:59took up to four hours
32:00to encode
32:01and decode a message.
32:03A Comanche code talker
32:04did it in under
32:05three minutes.
32:0613 of these men
32:08landed on Utah Beach
32:09on June 6th, 1944.
32:12And this is where
32:13the story circles back
32:14to where we began,
32:15because the first
32:16coded message
32:17transmitted from the beach
32:18that morning
32:19was sent by
32:20Private First Class
32:21Larry Sawpity,
32:22the same 23-year-old
32:24we met in the opening
32:25of this story.
32:26We made a good landing.
32:28We landed in the wrong place.
32:30That message
32:31traveled from
32:32Sawpity's radio
32:32to another Comanche
32:34in the division signal net
32:35was translated into English
32:37and relayed up
32:38the chain of command,
32:39all in minutes.
32:41Any German operator
32:42who intercepted it
32:43heard only the sound
32:44of a language
32:45that had no written form,
32:47no European cognate,
32:49no entry point
32:50for analysis.
32:51The Comanches fought
32:52across France
32:53and into Germany.
32:54They were at Cherbourg,
32:56they were at St. Lowe,
32:57they were in the
32:58Hurtgen Forest
32:58and at the Battle
32:59of the Bulge.
33:00Several were wounded,
33:02none were killed.
33:03Their code
33:04was never broken.
33:05And they were not alone.
33:07Eight Meskwaki men
33:08from a tribe in Iowa
33:10so small
33:10that those eight
33:11represented one
33:12out of every six
33:13Meskwaki adults
33:14served as code talkers
33:16with the 168th Infantry,
33:1734th Red Bull Division
33:19in North Africa
33:20and Italy.
33:21They transmitted
33:22under artillery fire,
33:23laid wire
33:24across contested ground
33:25and worked in pairs.
33:27One translating English
33:28into Meskwaki,
33:29transmitting,
33:30the other receiving
33:31and translating back.
33:33Three of them
33:33were captured.
33:34They spent months
33:35in German and Italian
33:36prison camps,
33:37but the code held.
33:39The Germans never broke it
33:40because there was
33:41nothing to break.
33:42There was no system.
33:44There was no algorithm.
33:45There was only
33:46a living language
33:47spoken by a few hundred
33:49people on Earth,
33:50carried into war
33:51by men who had been
33:53told as children
33:54that their language
33:55was worthless.
33:56That is four walls.
33:58FM that German receivers
34:00could not hear,
34:01slang that German linguists
34:02could not parse,
34:04volume that German analysts
34:05could not process,
34:07and languages that
34:08German intelligence
34:09could not even identify,
34:10much less decode.
34:12But there was still
34:13one more.
34:14And this one
34:15was not invisible,
34:16not cultural,
34:17not linguistic.
34:18It was mathematical.
34:20Sitting inside
34:21American signal centers,
34:22bolted to desks,
34:23guarded by men
34:24with orders
34:25to destroy it
34:26rather than
34:26let it be captured,
34:27there was a machine.
34:29The Germans
34:30had given it a name.
34:31They called it
34:32AM2,
34:33American Machine 2.
34:35They had thrown
34:36their best cryptanalysts
34:37at it for years,
34:38and they had gotten
34:39exactly nowhere.
34:40The machine
34:41the Germans
34:42could not break
34:42looked nothing
34:43like what you might expect.
34:45It was not elegant.
34:46It was not small.
34:47It weighed over
34:48a hundred pounds,
34:50stood two feet tall
34:51on a desk,
34:52and required
34:52a trained operator
34:53to use.
34:54It had a keyboard
34:55like a typewriter,
34:56a printer that punched
34:58out cipher text
34:58on a paper strip,
35:00and inside its casing,
35:0115 rotors.
35:03Fifteen.
35:05Arranged in three banks
35:06of five,
35:07each bank controlling
35:08the movement
35:08of the others
35:09in a cascade
35:10of mathematical complexity
35:11that produced,
35:12for each keystroke,
35:13an encryption so layered
35:15that brute force analysis
35:17was functionally impossible
35:18with any technology
35:20that existed in 1944.
35:21The Americans called it
35:23Segaba.
35:24The Germans,
35:25who never saw one,
35:27called it
35:27AM2,
35:28American Machine 2.
35:31They threw their best cryptanalysts
35:33at intercepted Segaba traffic
35:34for years.
35:35They got nothing,
35:37not a single message,
35:39not a partial break,
35:40not even a foothold.
35:42After the war,
35:43captured German intelligence officers
35:45were interrogated
35:46specifically about Segaba.
35:48The answer was consistent.
35:50Total failure.
35:52The machine was,
35:53as far as the Third Reich's
35:54code-breaking apparatus
35:55was concerned,
35:57a black wall
35:58with no door.
35:59And the Americans
36:00made sure it stayed that way.
36:02Every Segaba unit
36:04came with standing orders
36:05for its destruction
36:06in the event of capture.
36:08This was not a vague guideline.
36:10Bolted to the machine,
36:12or stored within arm's reach,
36:14was a 40-pound thermite charge.
36:16If an operator believed
36:18the position was about
36:19to be overrun,
36:20his order was clear.
36:21Trigger the charge.
36:23The thermite ignited
36:25at 1,400 degrees centigrade,
36:27hot enough to melt
36:28the rotors,
36:29the wiring,
36:30the casing,
36:31everything,
36:32into a pool of slag.
36:34Not one Segaba machine
36:36fell into enemy hands
36:37during the entire war.
36:40Not one.
36:42Think about what that means
36:43in practical terms.
36:44The messages between
36:46Eisenhower and Marshall,
36:47encrypted on Segaba.
36:49The coordination between
36:50Allied army groups
36:51for the Normandy invasion,
36:53Segaba.
36:54The strategic communications
36:56that governed
36:57the entire European theater,
36:59Segaba.
37:00The Germans could intercept
37:02the transmissions.
37:03They could record them.
37:04They could stare at the
37:05ciphertext for weeks.
37:07And they could extract
37:08exactly as much meaning from it
37:10as from random noise.
37:12But here,
37:13and this is where the story
37:14takes its most surprising turn,
37:16the Americans had
37:18a second cipher machine.
37:19One they used
37:21not for strategic traffic,
37:22but for tactical communications
37:24at division level
37:25and below.
37:26It was called
37:27the M209.
37:30It was small,
37:31mechanical,
37:32portable,
37:33built by Smith Corona
37:35in Groton, New York,
37:36at a rate of 400 units per day.
37:39Over 140,000 were produced
37:42during the war.
37:43And this machine,
37:44unlike Segaba,
37:46the Germans could break.
37:48By early 1943,
37:51German cryptanalysts
37:52had found a way in.
37:53The M209 had a weakness.
37:55If two messages were encrypted
37:57with the same settings,
37:58what cryptanalysts call
38:00a depth,
38:01the mathematical structure
38:02could be exploited.
38:03German specialists
38:05developed techniques
38:06using strips of paper,
38:07sliding them against each other
38:08to test probable words
38:10at each position
38:11in the ciphertext.
38:12Later,
38:13at NAAS 5
38:14in Saint-Germain-en-Laye,
38:16a cryptanalyst
38:17named Reinhold Weber
38:18went further.
38:19He designed and built
38:20an electromechanical machine,
38:22a device specifically engineered
38:24to accelerate
38:25the braking of M209 traffic.
38:27By August of 1944,
38:29Weber's machine
38:30was operational.
38:31And here is the fact
38:32that makes this story
38:33not a German triumph,
38:35but a German tragedy.
38:37By August of 1944,
38:39the Allies were breaking
38:40out of Normandy.
38:41Patton's Third Army
38:42was racing across France.
38:44Paris would be liberated
38:45within weeks.
38:47And NAAS 5,
38:49Weber's unit,
38:50the evaluation center
38:52that had spent months
38:53building a machine
38:54to crack American tactical ciphers,
38:55had to evacuate
38:57Saint-Germain-en-Laye.
38:59They tried to destroy
39:00their records.
39:01They ran out of time.
39:03They buried
39:04what they could not burn.
39:06American intelligence teams
39:07later dug up
39:08roughly 2,000 sheets
39:09of partially readable documents
39:11from the site.
39:12Weber's machine worked.
39:14But the war moved faster.
39:17And this is the detail
39:18that reveals something deeper
39:20about the American approach
39:21to signal security,
39:22something the German mind
39:24struggled to accept.
39:25The Americans knew
39:26the M209 was breakable.
39:28They had always known.
39:30The machine was never intended
39:32to be unbreakable.
39:33It was intended to be fast.
39:35A message encrypted
39:37on the M209
39:38could be sent
39:39and decoded in minutes.
39:40A message encrypted
39:42on Segaba
39:42took much longer
39:44and required equipment
39:45too heavy
39:46and too valuable
39:47for a division command post
39:48under fire.
39:49So the Americans
39:51made a deliberate choice.
39:52Use the breakable machine
39:54for tactical traffic
39:55that would be obsolete
39:56in hours
39:56and protect everything
39:58that mattered
39:58with Segaba.
39:59The German cryptanalysts
40:01reading 10 to 30%
40:02of M209 traffic
40:04were reading yesterday's newspaper.
40:06The units had moved.
40:08The orders had been executed.
40:10The grid coordinates
40:11pointed to empty fields.
40:12And the traffic
40:13that actually governed the war,
40:15the strategic layer,
40:16remained behind a wall
40:18they could not scratch.
40:19Consider the contrast
40:20with Germany's own approach.
40:22The Wehrmacht
40:23trusted its Enigma machine
40:24to protect communications
40:25at every level
40:26from U-boats in the Atlantic
40:28to army groups
40:29on the Eastern Front.
40:31German commanders
40:32believed Enigma
40:33was unbreakable.
40:34It was not.
40:35The British and Americans
40:36were reading Enigma traffic
40:38on an industrial scale,
40:39thousands of messages per day,
40:42through the Ultra program,
40:43and the intelligence
40:44they extracted
40:45shaped battles
40:46from El Alamein
40:47to the Bulge.
40:47Germany put all its faith
40:50in one lock
40:51and never knew
40:52it had been picked.
40:53The Americans
40:54did the opposite.
40:55They assumed
40:56their tactical lock
40:57would be picked.
40:58They used it anyway,
40:59because speed at the front
41:01mattered more than perfection.
41:02And they kept
41:03a second lock,
41:04Segaba,
41:05on everything
41:06that could not afford
41:07to be read.
41:08One lock for the battlefield,
41:10disposable by design.
41:12One lock for the war,
41:14impregnable by engineering.
41:16Five walls.
41:17FM silence.
41:19Linguistic chaos.
41:21Overwhelming volume.
41:22Unidentifiable languages.
41:24And the cryptographic fortress
41:26with two layers.
41:27One sacrificial,
41:29one absolute.
41:30Any one of these walls
41:32would have degraded
41:33German intelligence.
41:34Two would have been serious.
41:36All five together
41:38did something
41:39that no enemy
41:40had ever done
41:41to Germany's radio service.
41:42They made it irrelevant.
41:45But the deepest question,
41:47the real answer
41:48to why German radio operators
41:49gave up decoding
41:50American chatter,
41:52is not about
41:52any single wall.
41:54It is about
41:55what all five walls
41:56had in common.
41:57And what they had in common
41:59was not a technology
42:00or a tactic.
42:01It was something
42:02far harder
42:02for a German officer
42:03in 1944
42:04to understand.
42:06After the war,
42:07in a house
42:08in the small
42:08Bavarian town
42:09of Neumarkt-Zanktweitz,
42:11Albert Praun
42:12sat down to write.
42:14He was 55 years old.
42:16He had entered
42:17the German army
42:17in 1913
42:18as an officer candidate
42:19in the 1st Bavarian
42:21Telegraph Battalion.
42:23He had served
42:23as a signal officer
42:24in the 1st World War,
42:26remained in the
42:26post-war Reichswehr,
42:28commanded a division
42:29on the Eastern Front,
42:30and in 1944
42:31been appointed
42:33Chief of Army
42:34and Armed Forces
42:35Signal Communications,
42:36the highest signals post
42:38in the Wehrmacht.
42:39Now the war was over,
42:41Germany was in ruins,
42:42and the American
42:43Historical Division
42:44had asked him
42:45to produce
42:45a comprehensive report
42:47on German radio intelligence.
42:49Proun spent months
42:51assembling the material.
42:52He enlisted
42:53former colleagues,
42:54colonels,
42:55majors,
42:56captains
42:56who had commanded
42:57intercept units
42:58from Norway
42:58to North Africa.
43:00He gathered their accounts,
43:01cross-referenced
43:02their recollections,
43:03and produced a document
43:04that would eventually
43:05be declassified
43:06by the NSA
43:07and become the definitive
43:08German side record
43:09of Signal's intelligence
43:11in the Second World War.
43:13The report is meticulous.
43:15It covers every front,
43:16every campaign,
43:17every enemy.
43:19And when Proun reaches
43:20the Americans,
43:21something changes
43:22in the tone.
43:23Against the Poles,
43:24his language is clinical.
43:26Against the French,
43:27dismissive.
43:28Against the British,
43:29respectful but confident.
43:31Their discipline was good,
43:33but their mistakes
43:33were exploitable.
43:35Against the Soviets,
43:36almost contemptuous.
43:38Their carelessness
43:39was a gift.
43:40Against the Americans,
43:42the tone is different.
43:43It is the tone of a man
43:45describing something
43:46he could see clearly
43:47but never fully understood.
43:49Proun noted the early ease
43:50of intercepting American traffic.
43:53He noted the transition,
43:54the moment when that ease vanished.
43:57He cataloged the technical challenges,
43:59the FM frequencies
44:00his stations could not reach,
44:02the volume that overwhelmed
44:03his units,
44:04the cipher machines
44:05his analysts could not crack.
44:07But woven through
44:08the technical language,
44:09there is a recurring observation
44:11that Proun never quite states directly
44:13but circles again and again.
44:16The Americans did not behave
44:18the way an army
44:19was supposed to behave.
44:20And that is the answer.
44:22Not FM,
44:23not slang,
44:25not volume,
44:26not code talkers,
44:27not Sigaba.
44:28Those were symptoms.
44:30The cause was something
44:31underneath all of them.
44:32Something structural,
44:34something cultural,
44:35something that lived in the gap
44:36between how the German military
44:38understood the world
44:39and how the Americans
44:40actually operated in it.
44:42The German system,
44:44military,
44:44industrial,
44:45intellectual,
44:46was built on order,
44:48hierarchical command,
44:50standardized procedure,
44:51centralized control.
44:53This was not a weakness.
44:54It was what made
44:56the Wehrmacht devastating
44:57in 1940 and 1941.
45:00It was what made
45:01German radio intelligence
45:02capable of reading
45:03every army it faced
45:05because every army it faced
45:07was built
45:08on the same principles.
45:10The Poles used
45:11centralized communication nets.
45:13The French routed traffic
45:15through a single war
45:16ministry station.
45:17The British organized
45:18their radio procedures
45:19with the same institutional tidiness
45:22that organized
45:23everything British.
45:24Even the Soviets,
45:26for all their chaos,
45:27operated within a rigid,
45:29hierarchical structure
45:30that German analysts
45:32could map and predict.
45:33The American system
45:35was built on something else.
45:36Not disorder.
45:38That is too simple.
45:39It was built
45:40on distributed authority.
45:42On the assumption
45:43that a sergeant
45:44in a foxhole
45:44might need to make a decision
45:46without waiting for a colonel
45:47and that the sergeant's decision
45:49would be good enough.
45:51On the assumption
45:52that a 22-year-old
45:53company commander
45:54with a radio
45:54could call for artillery,
45:56adjust fire,
45:58redirect an entire battalion's support
46:00in minutes
46:01on his own authority
46:03in his own words.
46:05The radios were not just
46:06communication tools.
46:08They were instruments
46:09of a command philosophy
46:10that pushed decision-making
46:11downward
46:12to the lowest possible level
46:14and trusted the men
46:15at that level
46:16to act.
46:17This is why
46:18the FM revolution
46:19was American
46:20and not British
46:21or German.
46:22It was not because
46:24American engineers
46:25were smarter.
46:25It was because
46:26the American military
46:27wanted radios
46:28at the platoon level,
46:30a level where
46:31no other army
46:32thought radios belonged,
46:33and the only way
46:34to make that work
46:35was FM.
46:37The technology
46:38followed the doctrine.
46:39The doctrine
46:40followed the culture.
46:41This is why
46:42the slang
46:42was impenetrable.
46:44It was not because
46:45Americans were careless.
46:46It was because
46:47the army had taken
46:4812 million men
46:50from every corner
46:51of a vast,
46:52diverse,
46:53polyglot nation,
46:54factory workers
46:56and farmers,
46:57immigrant sons
46:57and college boys,
46:59men who spoke
47:00the English of Harlem
47:01and the English
47:02of Appalachia,
47:03and put them all
47:04on the same frequency.
47:06The diversity
47:07was not a failure
47:08of training.
47:08It was the composition
47:10of the country.
47:11This is why
47:12the volume was crushing.
47:13It was not because
47:15Americans were wasteful
47:16with radio time.
47:17It was because
47:18the industrial base
47:19behind them
47:20could produce
47:20130,000
47:22handheld radios
47:23and ship them
47:24to the front,
47:25an output
47:26that German industry,
47:27starved of raw materials
47:29and under constant
47:30bombardment,
47:31could not approach.
47:32The production
47:33followed the capacity.
47:34The capacity
47:35followed the economy.
47:36And this is why
47:38the Code Talkers worked.
47:39Not just because
47:40the Comanche or
47:41Meskwaki languages
47:42were obscure,
47:43though they were,
47:44but because
47:45the United States
47:46was the only nation
47:47on Earth
47:48that contained,
47:49within its own borders,
47:51hundreds of
47:51indigenous languages
47:52spoken by citizens
47:53who were willing
47:54to serve
47:55in its military.
47:56The diversity
47:57that had been used
47:58to marginalize
47:59these men,
48:00the boarding schools,
48:01the forced assimilation,
48:02the suppression
48:03of their cultures,
48:04had failed
48:05to erase
48:06their languages.
48:07And those
48:08surviving languages
48:09became weapons
48:10that no enemy
48:11could replicate
48:12because no enemy
48:13had them.
48:15Five walls,
48:17one foundation.
48:18The foundation
48:19was a country
48:20too large,
48:21too diverse,
48:22too decentralized,
48:23and too productive
48:25for any hierarchical
48:26intelligence system
48:27to model.
48:28The Germans
48:29could not decode
48:30American chatter
48:31because American chatter
48:32was not a system.
48:34It was a culture,
48:35messy,
48:36informal,
48:37fast,
48:38multilingual,
48:39and vast,
48:40transmitted at the speed
48:41of sound,
48:42across frequencies
48:43the Germans could not hear,
48:44in dialects
48:45they could not parse,
48:46in languages
48:47they could not name,
48:49at a volume
48:49they could not process,
48:51behind ciphers
48:52they could not break.
48:54Prahn never wrote
48:55those words,
48:56but his report,
48:57read carefully,
48:58says exactly that,
49:00in the space
49:01between what he documented
49:02and what he could not explain.
49:04There is one more thing
49:06to tell,
49:06and it is quiet.
49:08It is about what happened
49:09after the radios
49:10went silent.
49:11The war ended
49:12on May 8, 1945.
49:14The radios went quiet,
49:16and the men behind them
49:17went home,
49:18those who survived,
49:20to lives that the war
49:21had interrupted,
49:22but not erased.
49:24Albert Prahn
49:25was taken into
49:25American custody.
49:26He spent five years
49:28as a prisoner,
49:29then as a consultant,
49:30writing the report
49:31that would document
49:32everything German radio
49:33intelligence had accomplished
49:34and everything
49:35it had failed to do.
49:37He died in 1975
49:39in Munich,
49:40at the age of 80.
49:41His report,
49:43declassified,
49:44archived,
49:44largely forgotten,
49:46sits in the files
49:47of the National Security Agency,
49:48a 600-page monument
49:50to a system
49:51that mastered
49:51every enemy it faced
49:53except the one
49:54it could not model.
49:56Reinhold Weber,
49:57the cryptanalyst
49:58who built the machine
49:59to break the M209
50:00at NAAS 5,
50:01survived the evacuation
50:03from Saint-Germain-en-Laye.
50:04His device,
50:06painstakingly assembled
50:07from precision parts
50:08in a former cigar factory
50:10near Frankfurt,
50:10worked.
50:11It broke American
50:13tactical ciphers.
50:14And it did not matter.
50:15The war had moved
50:17too fast.
50:18Weber's story
50:19did not become public
50:20until 2004
50:21when he published
50:22an account of his work.
50:24By then,
50:25the machine he had built
50:26existed only in memory.
50:28Edwin Howard Armstrong,
50:29the Columbia professor
50:30who invented FM radio
50:32and handed his patents
50:33to the United States military
50:34for free,
50:35the man whose technology
50:37built the first wall
50:38and made American
50:39tactical communications
50:40invisible,
50:41never saw recognition
50:42for what his gift
50:43meant on the battlefield.
50:45After the war,
50:46he was consumed
50:47by patent litigation
50:48against RCA,
50:49which had adopted FM
50:50for commercial broadcasting
50:52without adequate compensation.
50:54On January 31, 1954,
50:57Armstrong put on
50:58his overcoat and hat,
50:59opened the window
51:00of his 13th floor apartment
51:01on the East River
51:02in New York,
51:03and stepped out.
51:04He was 63.
51:05The man who gave
51:07the American soldier
51:08a voice the enemy
51:09could not hear
51:10died in silence.
51:12Daniel Noble went back
51:13to Galvin Manufacturing,
51:14to Motorola,
51:15as it renamed itself
51:17after the war.
51:18He became the company's
51:19executive vice president
51:20and helped build it
51:22into one of the largest
51:22communications firms
51:23in the world.
51:24The SCR 300,
51:26his wartime creation,
51:28evolved into the police radios,
51:30the emergency service radios,
51:32and eventually the cellular technology
51:34that Motorola would pioneer
51:36decades later.
51:37Every time you pick up a phone
51:38and speak to someone
51:40without thinking about
51:41who might be listening,
51:42you are living in the world
51:43Daniel Noble helped build.
51:45And the Code Talkers
51:46came home.
51:47The 13 Comanche men
51:49of the 4th Signal Company,
51:50the ones who landed
51:51on Utah Beach,
51:53fought through Cherbourg
51:54and St. Lowe,
51:55survived the Hurtgen Forest
51:56and the Bulge,
51:57came home to Oklahoma.
51:59Several had been wounded.
52:00All carried bronze stars
52:02and purple hearts.
52:03None had been killed.
52:05In July of 1946,
52:07the town of Walters, Oklahoma
52:08held the first Comanche homecoming
52:11to welcome them back.
52:12There was singing.
52:13There was dancing
52:14in the old way,
52:15the warrior's way
52:16that the government boarding schools
52:17had tried to stamp out.
52:20The men who had used
52:21their language as a weapon
52:22stood in a circle
52:23and heard it spoken
52:24in celebration.
52:26But the world
52:27did not hear their story.
52:28Their service was classified.
52:30For decades,
52:32the Comanche Code Talkers
52:33lived ordinary lives,
52:34working,
52:35raising families,
52:37growing old,
52:37and could not tell anyone
52:39what they had done.
52:40The same was true
52:41for the eight Meskwaki men
52:43of the 34th Division,
52:44three of whom
52:45had endured German
52:46and Italian prison camps
52:48without revealing
52:49the existence of the Code.
52:51They came home
52:52to the small Meskwaki settlement
52:53in Iowa,
52:54a community so tight
52:56that their eight families
52:57represented a significant share
52:59of the entire tribe
53:00and said nothing.
53:02It was not until 1968
53:04that the military
53:05declassified the Code Talker programs.
53:08Even then,
53:09recognition was slow.
53:10The Navajo Code Talkers
53:12of the Pacific
53:13received the Congressional Gold Medal
53:15in 2001.
53:17The Comanche and Meskwaki
53:18Code Talkers waited longer.
53:20In 2013,
53:22nearly 70 years after the war,
53:25Congress awarded
53:26the Congressional Gold Medal
53:27to Code Talkers
53:28from 33 tribes,
53:29including the Comanches
53:31and the Meskwaki.
53:32By then,
53:34every one of the original
53:35Comanche Code Talkers
53:36had passed away.
53:37Charles Chibity,
53:39the last of them,
53:40died in 2005
53:41at the age of 83.
53:43A few years before his death,
53:45he said something
53:46that holds more weight
53:47than any paragraph
53:48in Prawn's 600-page report.
53:51He said,
53:51My language helped win the war,
53:54and that makes me proud.
53:56Very proud.
53:57His language.
53:59The one they tried
54:00to take from him.
54:01Larry Sopity,
54:03the young man on Utah Beach,
54:05the voice that opened this story,
54:07the first words in Comanche
54:08ever transmitted
54:09on a European battlefield,
54:11survived the war,
54:13came home to Oklahoma,
54:14and lived quietly
54:15until his death.
54:16He had been
54:17Brigadier General
54:18Theodore Roosevelt Jr.'s
54:20personal radio operator,
54:21driver,
54:22and orderly.
54:24Roosevelt himself
54:24died of a heart attack
54:26in Normandy
54:27five weeks after the landing,
54:29the oldest man on the beach
54:30and the only general
54:32in the first wave.
54:33Sopity outlived him
54:35by decades,
54:36but his war began
54:37and ended
54:38with the same instrument,
54:39a radio,
54:40a voice,
54:41and a language
54:42that no German operator
54:44on Earth
54:44could decode.
54:45Why did German radio operators
54:47give up decoding
54:48American chatter?
54:49Because the chatter
54:50was not a code
54:51to be broken.
54:52It was a country,
54:53vast,
54:54noisy,
54:55informal,
54:56multilingual,
54:57and free,
54:58talking to itself
54:59across an ocean
55:00in every voice it had.
55:02Thank you for watching this one
55:04all the way through.
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55:14If you are not subscribed yet,
55:16I would be honored to have you.
55:18Hit subscribe
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55:20so you do not miss the next one.
55:22And I want to ask you something.
55:23Where are you watching from today?
55:25And if someone in your family
55:27served in the Second World War,
55:28a father,
55:29a grandfather,
55:30a great uncle,
55:31I would love to hear about them
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