- 6 days ago
Why First Lieutenant Robert Hanson dove alone into 21 Japanese fighters during WW2 — when every training manual called it suicide. This World War 2 story reveals how one Marine pilot's decision over Rabaul challenged everything the Corps taught about air combat.
January 30, 1944. First Lieutenant Robert Hanson, VMF-215 Fighting Corsairs, strapped into his F4U-1 Corsair at Piva North airfield over Bougainville. Twenty-one Japanese fighters — seventeen Zeros and four Tojos — climbed from Rabaul to intercept eighteen American torpedo bombers. Hanson rolled inverted and dove alone into their formation. Every Marine Corps training manual said this was tactically suicidal: never turn with a Zero, never break formation, never engage outnumbered. Major Robert Owens had tried to ground him twice. The other pilots called it Butcher Bob's death wish.
They were all wrong.
What Hanson understood that morning over Simpson Harbor wasn't in any flight school curriculum. It was about attacking the geometry of enemy formations — scattering their attack vector before they could coordinate against vulnerable bombers. One aggressive fighter diving through their formation at the right angle could ach
January 30, 1944. First Lieutenant Robert Hanson, VMF-215 Fighting Corsairs, strapped into his F4U-1 Corsair at Piva North airfield over Bougainville. Twenty-one Japanese fighters — seventeen Zeros and four Tojos — climbed from Rabaul to intercept eighteen American torpedo bombers. Hanson rolled inverted and dove alone into their formation. Every Marine Corps training manual said this was tactically suicidal: never turn with a Zero, never break formation, never engage outnumbered. Major Robert Owens had tried to ground him twice. The other pilots called it Butcher Bob's death wish.
They were all wrong.
What Hanson understood that morning over Simpson Harbor wasn't in any flight school curriculum. It was about attacking the geometry of enemy formations — scattering their attack vector before they could coordinate against vulnerable bombers. One aggressive fighter diving through their formation at the right angle could ach
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00:00At 0615 on January 30, 1944, 1st Lieutenant Robert Hansen strapped into the cockpit of his F4U1 Corsair at Piva
00:10North Airfield,
00:11watching 18 Grumman TBF Avenger torpedo bombers taxi into position for the most dangerous mission in the Pacific Theater.
00:1923 years old, 21 confirmed kills in 17 days, one week until he was scheduled to rotate home.
00:28Japanese intelligence had counted 70 fighter aircraft at Rabaul, the fortress base that held Simpson Harbor.
00:35The math was simple. Eight Marine Corsairs escorting 18 torpedo bombers into a hornet's nest defended by 70 enemy fighters.
00:45Marine Corps had lost 43 pilots over Rabaul since November.
00:49The Japanese knew every approach vector. They had radar stations on every hilltop.
00:54Anti-aircraft batteries ring the harbor.
00:57Hansen had arrived in the South Pacific in June 1943 with Marine Fighting Squadron 214, the Black Sheep Squadron.
01:05His first combat kill came on August 4th.
01:09A single Kawasaki Ki-61 Tony fighter over Vela Lavella.
01:14By the end of August, he had two confirmed victories.
01:17Then came November 1st, Empress Augusta Bay.
01:21Hansen attacked six Japanese torpedo bombers single-handedly during the Bougainville landings,
01:27forced three of them to jettison their bombs before they reached the beach, shot down three more.
01:33The rear gunner of a Nakajima B5N2 Kate caught him with a burst that shredded his fuel tank.
01:40Hansen brought the burning Corsair down on the ocean, six hours in a rubber life raft.
01:46USS Sigourney picked him up after dark.
01:49He transferred to Marine Fighting Squadron 215 in October, the fighting Corsairs.
01:54By early January 1944, his total stood at five confirmed kills.
02:00Then something changed.
02:03January 14th, Simpson Harbor.
02:05Hansen got separated from his squadron during a high-altitude bomber escort,
02:10found himself alone above a formation of Japanese fighters preparing to jump the American bombers.
02:15He dove straight into the middle of their formation,
02:18shot down five Mitsubishi A6M Zero fighters in 12 minutes,
02:22landed with 14 bullet holes in his Corsair and three gallons of fuel remaining.
02:28The other pilots started calling him Butcher Bob.
02:31January 20th, one zero destroyed.
02:34January 22nd, two zeros and one Tony.
02:38January 24th, four zeros in another solo engagement
02:41when he got cut off from his division over Simpson Harbor again.
02:45The Medal of Honor citation would later describe how he waged a lone and gallant battle
02:50against hostile interceptors, striking with devastating fury.
02:54January 26th, three more zeros.
02:5716 days.
02:5921 confirmed kills.
03:00The nickname spread through every squadron in the South Pacific.
03:04Butcher Bob Hansen.
03:06The India-born son of Methodist missionaries
03:09who had become a wrestling champion in Lucknow before joining the Marines.
03:12The other pilots watched him with a mixture of admiration and unease.
03:18Hansen flew with a cold mathematical precision that bordered on recklessness.
03:22He did not avoid combat.
03:24He hunted it.
03:25When Japanese formations appeared, other pilots maintained formation discipline.
03:30Hansen broke formation and dove straight into the enemy.
03:34His commanding officer, Major Robert Owens, had tried to ground him twice,
03:38told him he had done enough.
03:40Hansen was scheduled to rotate back to the United States on February 10th,
03:44one week, and he would be on a transport ship heading home.
03:48But January 30th was different.
03:50Intelligence reported a major Japanese convoy movement near Rabaul.
03:55Every available bomber would hit Simpson Harbor.
03:58Every available fighter would escort them.
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04:11Back to Hansen.
04:13The briefing officer marked the map with red grease pencil.
04:16Approach from the southeast.
04:17Bombers would come in at 12,000 feet.
04:20Fighters would maintain high cover at 15,000.
04:23Expected enemy response.
04:25Massive.
04:27Hansen walked to his Corsair in the pre-dawn darkness.
04:30Bureau No. 56039.
04:32The same aircraft he had flown for the past month.
04:35The same inverted gull-wing fighter that had carried him through six consecutive missions
04:40over the most heavily defended target in the Pacific.
04:43The engine caught on the third blade.
04:45That distinctive sound of the Pratt & Whitney R-2800 Double Wasp radio.
04:512,000 horsepower.
04:53417 miles per hour maximum speed.
04:56At 0648, Hansen taxied into position.
04:59The Corsair ahead of him lifted off.
05:02Then it was his turn.
05:03By 0730, the formation crossed the northern coast of Bougainville.
05:08Simpson Harbor was 90 miles ahead.
05:11Hansen checked his ammunition.
05:13Six .50 caliber Browning machine guns.
05:15400 rounds per gun.
05:172,400 rounds total.
05:19Over the radio, the bomber leader called out the approach vector.
05:23The Corsair pilots acknowledged.
05:25Hansen switched to squadron frequency.
05:27And then, someone spotted them.
05:3021 Japanese fighters climbing out of Rabol to meet the incoming strike.
05:36The Japanese formation was climbing through 9,000 feet.
05:4021 fighters.
05:41Intelligence had identified the types through binoculars from observation posts on Bougainville.
05:4617 Mitsubishi A6M Zeroes.
05:50Four Nakajima Ki-44 Shoki fighters that the Americans called Tojos.
05:55The Zero had ruled Pacific skies for two years.
05:58Maximum speed, 331 miles per hour.
06:02Rate of climb, 3,000 feet per minute.
06:05Turn radius so tight that American pilots called it supernatural.
06:08Two 20-millimeter cannons and two 7.7-millimeter machine guns.
06:13In a turning fight, the Zero could outmaneuver anything the Americans flew.
06:17The Corsair had 86 miles per hour speed advantage in level flight.
06:22Better armor, more firepower.
06:24But the Zero could turn inside it every time.
06:27Marine Corps doctrine was simple.
06:29Never turn with a Zero.
06:31Use speed and altitude.
06:32Dive, attack, climb away.
06:35Never get slow.
06:36Never get into a turning fight.
06:38Hansen had violated that doctrine 16 times in 17 days.
06:43The bomber leader called out the enemy formation.
06:45High and to the north.
06:47The eight Corsair pilots acknowledged.
06:49Standard doctrine said maintain formation.
06:52Protect the bombers.
06:53Let the enemy come to you.
06:55Hansen rolled inverted and dove.
06:57The other seven Corsair pilots held position with the bombers.
07:00They had seen Hansen do this before.
07:02He would slash through the enemy formation, disrupt their attack, force them to break formation
07:08and pursue him instead of the bombers.
07:10It was tactically sound.
07:12One fighter sacrificing positioning to scatter 21 attackers, draw them away from the vulnerable
07:18torpedo bombers.
07:19It was also statistically suicidal.
07:22Hansen was diving alone into a formation 21 times his number.
07:26The mathematics of combat said he would be dead in 90 seconds.
07:30The Corsair accelerated through 400 miles per hour in the dive.
07:34Hansen picked his target.
07:36The lead zero in the formation.
07:38Standard tactic?
07:39Kill the leader.
07:40Scatter the formation.
07:42At 800 yards, the Japanese pilots spotted him.
07:45The formation began to turn.
07:47Too late.
07:48Hansen had altitude and speed.
07:51The lead zero was growing larger in his gun sight.
07:54600 yards.
07:56500.
07:57The zero was turning hard left, trying to evade.
08:01400 yards.
08:02Hansen pressed the trigger.
08:04All six .50 caliber machine guns opened fire.
08:07The convergence pattern was set for 300 yards.
08:10At that range, all six streams of bullets would intersect at a single point.
08:15The tracers walked into the zero's fuselage.
08:18The fighter shuddered.
08:19Pieces flew off the engine cowling.
08:21Black smoke poured from the engine.
08:24The zero rolled over and went into a spin.
08:27One down.
08:2820 remaining.
08:30Hansen pulled out of the dive at 5,000 feet.
08:33The Corsair's speed carried him through the Japanese formation before they could react.
08:38He reversed course and climbed.
08:40The Japanese formation had broken.
08:4215 fighters were turning to pursue Hansen.
08:45Six were continuing toward the bombers.
08:47The tactical goal was achieved.
08:49The formation was scattered.
08:51The bombers had breathing room.
08:53But now, Hansen had 15 Japanese fighters on his tail.
08:57The closest zero was 400 yards behind him and closing.
09:01The Corsair was faster in level flight, but Hansen was climbing.
09:06The zero climbed faster.
09:08The distance was shrinking.
09:10350 yards.
09:12300.
09:12At 280 yards, the zero opened fire.
09:17Tracers streaked past Hansen's canopy.
09:19One round punched through the vertical stabilizer.
09:22Another hit the left wing route.
09:24Neither strike was critical.
09:26Hansen pushed the throttle to maximum power.
09:29The Pratt and Whitney screamed.
09:31The Corsair was producing every ounce of thrust the engine could deliver.
09:35But he was still climbing.
09:36The zero was still closing.
09:39At 240 yards, Hansen snap-rolled right.
09:42The zero tried to follow.
09:44Could not match the roll rate.
09:46Hansen completed the roll and dove again.
09:49The zero followed.
09:50But now, the geometry had changed.
09:53The zero was behind Hansen, but no longer in a favorable firing position.
09:58Hansen was diving again.
10:00Building speed again.
10:01The separation increased.
10:03260 yards.
10:05300.
10:06Hansen leveled off at 3,000 feet.
10:08Pulled back on the stick.
10:10The Corsair climbed vertically.
10:124,000 feet.
10:145,000.
10:156,000.
10:16The airspeed was bleeding off.
10:18300 miles per hour.
10:20280.
10:21260.
10:23At the top of the climb, Hansen rolled inverted and looked down.
10:2714 Japanese fighters were below him in a loose formation, searching.
10:33The Japanese formation was scattered across 5,000 feet of altitude.
10:37They had lost sight of Hansen during his vertical climb.
10:40Some were circling at 3,000 feet.
10:42Others had climbed to 7,000.
10:44The tactical discipline had collapsed.
10:46They were no longer a formation.
10:48They were individual hunters searching for prey.
10:52Hansen had altitude advantage again.
10:547,000 feet above the lowest group of Japanese fighters.
10:58In aerial combat, altitude was life.
11:00The pilot with altitude could choose when to engage.
11:03Could dive to attack or climb to escape.
11:06He rolled right and dove on the nearest Zero.
11:09The Japanese pilot never saw him coming.
11:12Hansen's dive brought him in from the Zero's 6 o'clock high, the blind spot.
11:16By the time the Zero pilot detected the threat, Hansen was at 300 yards and firing.
11:22The six .50 caliber machine guns fired at a combined rate of 4,800 rounds per minute, 80 rounds per
11:29second.
11:29At 300 yards, with proper convergence, those 80 rounds per second concentrated into a space smaller than a bathtub.
11:37The Zero disintegrated.
11:39The right wing folded upward.
11:41The fuselage broke in half.
11:43Pieces tumbled through the sky.
11:45No parachute appeared.
11:47Two down, 19 remaining.
11:49But now, every Japanese pilot knew exactly where Hansen was.
11:53A lone Corsair diving through their formation.
11:57Tracers converged from three directions.
11:59Hansen pulled hard left.
12:01The G-forces crushed him into a seat.
12:03Four Gs.
12:04Five.
12:05The edges of his vision went gray.
12:07Three Zeros were pursuing.
12:09Hansen leveled off and accelerated.
12:12400 miles per hour.
12:14410.
12:15The Zeros could not keep pace.
12:17The distance opened.
12:19500 yards.
12:20600.
12:21But four more Zeros were climbing to cut him off.
12:24They had anticipated his escape vector.
12:26Hansen saw them at 800 yards, climbing from below and ahead.
12:31Classic pincer movement.
12:32Three behind.
12:33Four ahead.
12:34Seven fighters total converging on one Corsair.
12:37Hansen pulled into a vertical climb again.
12:40The Corsair had better power-to-weight ratio than the Zero below 10,000 feet.
12:44He could out-climb them if he maintained speed.
12:47The altimeter unwound.
12:498,000 feet.
12:509,000.
12:5210,000.
12:53The four Zeros ahead were still climbing to intercept.
12:56They were at 11,000 feet.
12:59Hansen was at 10,500 and climbing.
13:02The geometry was closing.
13:04700 yards.
13:06600.
13:07500.
13:07At 450 yards, both formations opened fire simultaneously.
13:13Tracers filled the space between them.
13:16Hansen's rounds hit the lead zero in the engine.
13:18The Japanese fighter rolled left and fell away, trailing smoke.
13:23Three down.
13:2418 remaining.
13:26But return fire from the three remaining Zeros ahead stitched across Hansen's Corsair.
13:31One round punched through the instrument panel.
13:34Glass exploded across the cockpit.
13:37Another round hit the right wing, tearing a two-foot hole in the fabric-covered control surface.
13:42A third round hit the armor plate behind Hansen's seat.
13:46The plate held.
13:47Hansen rolled inverted and dove again.
13:50The three Zeros ahead tried to follow.
13:53Could not match his roll rate.
13:54He came out of the dive heading south at 390 miles per hour.
13:59The Japanese formation was reforming below him.
14:0215 fighters.
14:03They had given up the scattered pursuit.
14:06Now they were forming a defensive circle.
14:09Standard Japanese tactic.
14:11Mutual support.
14:12Any attacker diving on one fighter would immediately come under fire from the others
14:17in the circle.
14:18Hansen climbed to 12,000 feet.
14:20Circle the Japanese formation at a distance.
14:23Evaluating.
14:24The bomber strike on Simpson Harbor was complete.
14:28The TBF Avengers were heading back toward Bougainville.
14:31The other seven Corsairs from Hansen's squadron were with them.
14:35The mission was accomplished.
14:37The bombers were safe.
14:39Tactical doctrine said Hansen should disengage.
14:42Rejoin the bombers.
14:43Escort them home.
14:44He had already shot down three enemy fighters.
14:47Disrupted their attack.
14:49Protected the strike force.
14:50But 15 Japanese fighters were still airborne.
14:53Still a threat to any American aircraft in the area.
14:57Hansen checked his ammunition counter.
14:59He had fired approximately 800 rounds.
15:021,600 rounds remaining.
15:04Enough for two more extended engagements.
15:07He rolled the Corsair over and dove toward the Japanese circle.
15:12The Japanese defensive circle was rotating counterclockwise at 8,000 feet.
15:1715 fighters maintaining spacing of approximately 200 yards between each aircraft.
15:23Standard Imperial Navy doctrine.
15:25Developed in China.
15:27Refined over New Guinea.
15:28When one fighter came under attack, the fighter behind would immediately have a clear shot at
15:33the attacker.
15:34American pilots called it the Lufberry Circle.
15:37A death trap for any fighter that committed to an attack on a single target.
15:42The mathematics were brutal.
15:44Engage one fighter.
15:45Get shot by the next one in the circle.
15:48Hansen dove toward the circle from 12,000 feet.
15:514,000 feet of altitude advantage.
15:53Speed building through 420 miles per hour.
15:57But this time, he was not targeting a single fighter.
16:00He was targeting the geometry of the circle itself.
16:02At 1,000 yards from the circle, Hansen adjusted his dive angle.
16:07Instead of diving through the circle perpendicular to its rotation, he dove at a tangent.
16:12His attack vector was aligned with the circle's direction of rotation.
16:16He would pass through the formation, moving in the same direction as the Japanese fighters,
16:21not against them.
16:22The relative closure rate dropped from 800 miles per hour to less than 200.
16:27At 600 yards, the Japanese pilots spotted him.
16:30The circle began to break.
16:33Too late.
16:34Hansen was already firing.
16:35His six machine guns targeted the nearest zero.
16:38The convergence point was perfect.
16:40The zero's cockpit disintegrated.
16:42The fighter went inverted and fell.
16:45Four down.
16:4617 remaining.
16:47Hansen pulled out of his dive inside the circle.
16:50Instead of climbing away, he rolled level and accelerated along the same path as the rotating
16:55fighters.
16:56He was now part of their formation.
16:58Flying with them, not against them.
17:01The tactical geometry had inverted.
17:03The Japanese fighters behind Hansen in the circle could not fire without hitting their
17:08own aircraft ahead.
17:09The fighters ahead could not turn back to engage without colliding with the fighters
17:13behind them.
17:14Hansen had three seconds before the formation collapsed completely.
17:18He selected the zero 200 yards ahead.
17:21Fired a two-second burst.
17:23The zero's left wing separated from the fuselage.
17:25The fighter snap rolled right and went into a flat spin.
17:29Five down.
17:3016 remaining.
17:32The Japanese circle shattered.
17:34Fighters broke in every direction.
17:37Three rolled left.
17:38Four rolled right.
17:39The remaining nine scattered vertically.
17:42The mutual support had collapsed.
17:44The formation had become a fur ball.
17:46Individual fighters maneuvering independently.
17:49Hansen pulled into a climbing turn.
17:52Two zero's were on his tail at 400 yards.
17:54Closing.
17:55He rolled inverted.
17:57Pulled through.
17:58Rolled upright again.
17:59The split S.
18:00Standard evasive maneuver.
18:02But executed at high speed with minimal altitude loss.
18:06The two zero's followed.
18:08They had better turning performance but lower roll rate.
18:11The distance held at 350 yards.
18:14Hansen spotted another zero ahead, unaware of his presence.
18:17He fired from 500 yards.
18:20Long range.
18:21Low probability.
18:23But three rounds hit the zero's tail section.
18:25The vertical stabilizer tore away.
18:28The zero went into an uncontrolled yaw and dove toward the ocean.
18:32Six down.
18:3315 remaining.
18:34But now, five Japanese fighters had formed a loose gaggle behind Hansen.
18:39Not a proper formation.
18:41Just five pilots converging on the same target.
18:44The lead zero was at 300 yards and firing.
18:47Tracers walked up Hansen's left side.
18:50One round hit the canopy rail.
18:52Another punctured the fuselage behind the cockpit.
18:55A third hit the left main landing gear door.
18:57Hansen felt the Corsair shudder.
19:00The hydraulic system was leaking.
19:02Red fluid streamed along the fuselage.
19:04He pushed the throttle to maximum continuous power.
19:07Not war emergency power.
19:09Not yet.
19:10He needed to preserve the engine.
19:12The temperature gauge was already climbing.
19:14The coolant system had taken damage.
19:17The five zero's pursued.
19:18They were maintaining formation now.
19:21Proper tactical discipline.
19:22One would engage while the others provided cover.
19:25If Hansen turned to engage the attacker, the others would have clear shots.
19:29The altimeter read 7,000 feet.
19:33Hansen was descending.
19:34The zero's were forcing him down.
19:37Reducing his altitude advantage.
19:39In another 3,000 feet, he would be at their optimal fighting altitude.
19:434,000 feet.
19:45Where the zero's superior maneuverability would dominate.
19:48The lead zero fired again.
19:51A long burst.
19:5320 rounds.
19:54Hansen saw the tracers and broke hard right.
19:57The G-forces crushed him into a seat.
20:006 G's.
20:017.
20:02His vision tunneled.
20:04Gray crept in from the edges.
20:06The rounds missed.
20:07But now, a second zero was in firing position.
20:10280 yards behind Hansen and tracking.
20:14The ammunition counter read 900 rounds remaining.
20:18The second zero fired from 280 yards.
20:22A 3-second burst.
20:2418 rounds.
20:25Hansen rolled left.
20:27The tracers passed through the space his Corsair had occupied one second earlier.
20:31He reversed the roll and pulled into a climbing turn.
20:35The 5-zeros followed.
20:36They were coordinating now.
20:38One would attack while the others maintained position.
20:42When Hansen maneuvered to evade, another would be in position to fire.
20:46Classic pursuit tactics.
20:47Rotate the attack.
20:49Keep constant pressure.
20:51Force the target to maneuver continuously.
20:54Bleed off energy.
20:55Reduce speed and altitude until the target had no options remaining.
21:00Hansen understood the geometry.
21:01He had studied Japanese tactics.
21:04Had flown against them 21 times in 17 days.
21:08The solution was not evasion.
21:10The solution was aggression.
21:12He pulled into a vertical climb.
21:14The airspeed dropped.
21:16310 miles per hour.
21:19290.
21:20270.
21:21The 5-zeros climbed with him.
21:24They were lighter.
21:25They climbed faster.
21:27The distance closed.
21:28400 yards.
21:30350.
21:31300.
21:33At the apex of his climb, Hansen rolled inverted and pulled through.
21:37The hammerhead turned.
21:39The Corsair hung vertical for half a second, then fell nose down.
21:44He was now diving directly at the 5-climbing zeroes.
21:47Head-on pass.
21:49Closure rate, 700 miles per hour.
21:52Time to firing position?
21:533 seconds.
21:54The Japanese pilots scattered.
21:57Two rolled left.
21:58Two rolled right.
22:00One continued climbing straight ahead.
22:02That pilot committed to the head-on engagement.
22:05Believed his aircraft's superior maneuverability would win the turning fight after the pass.
22:11Hansen fired at 400 yards.
22:13The relative motion made aiming difficult.
22:16Both aircraft were moving at high speed on converging vectors.
22:20The bullet stream had to lead the target.
22:23Account for deflection.
22:24Account for gravity drop.
22:26Account for the target's rate of climb.
22:2920 rounds hit the zero's engine.
22:31The cowling exploded.
22:33Oil sprayed across the windscreen.
22:35The zero rolled inverted and dove away, trailing black smoke.
22:397 down.
22:4014 remaining.
22:41But the head-on pass had cost Hansen altitude and speed.
22:45He was at 5,000 feet and 260 miles per hour.
22:49The four remaining zeros from the gaggle were reforming.
22:52Two more zeros from the scattered formation were joining them.
22:56Six fighters now pursuing.
22:58Hansen leveled off and accelerated.
23:00The engine temperature gauge was in the yellow zone.
23:03Not critical yet, but climbing.
23:05The coolant leak was worsening.
23:08Red fluid streamed from the cowling in a visible mist.
23:11At 320 miles per hour, Hansen pulled into another climb.
23:15But this time, he did not go vertical.
23:18He climbed at 30 degrees, building altitude gradually, preserving energy.
23:23The six zeros climbed with him.
23:26They were maintaining formation now.
23:28Two aircraft in the lead.
23:30Four in trail.
23:31The lead pair would engage.
23:33The trail aircraft would provide cover.
23:35At 8,000 feet, Hansen rolled right and dove again.
23:39The six zeros followed.
23:41But Hansen's dive was not an escape maneuver.
23:44It was a repositioning maneuver.
23:46He dove for 1,000 feet, then pulled level and reversed course.
23:50He was now heading directly toward the six pursuing zeros.
23:54Another head-on pass.
23:56But this time, the geometry was different.
23:59The zeros were in a vertical stack.
24:01Two at 8,000 feet.
24:03Two at 7,500.
24:05Two at 7,000.
24:07Hansen was at 7,000 feet, level, and accelerating.
24:11He targeted the lowest pair.
24:13At 600 yards, both zeros opened fire.
24:17Hansen fired simultaneously.
24:19Tracers filled the space between them.
24:22Closure rate, 680 miles per hour.
24:25Time to impact, two seconds.
24:27Hansen's rounds hit the right-hand zero in the wing root.
24:30The wing folded.
24:32The zero tumbled.
24:33The left-hand zero's rounds stitched across Hansen's right wing.
24:37Three hits.
24:38Fabric tore.
24:39Metal twisted.
24:40The aileron control cable parted.
24:43Eight down.
24:44Thirteen remaining.
24:45But the Corsair's right aileron was jammed.
24:48Hansen could roll left normally.
24:50Rolling right required full stick deflection and produced sluggish response.
24:54The aircraft's roll performance was cut in half.
24:57The five remaining zeros from the gaggle were still pursuing.
25:00They had seen the aileron damage.
25:02They had seen the coolant leak.
25:04They knew Hansen's aircraft was wounded.
25:07They pressed the attack.
25:36Hansen checked his ammunition counter.
25:38Zeroes followed.
25:39They were at 400 yards and closing.
25:43Hansen leveled off at 2,000 feet.
25:45The ocean surface was dark blue below.
25:48White caps marked the swells.
25:50The five zeros were at 350 yards and closing.
25:53The engine temperature gauge was pegged in the red zone.
25:57The Pratt and Whitney was running on borrow time.
25:59The coolant leak had become a stream.
26:02Red hydraulic fluid coated the right side of the fuselage.
26:05The engine was losing power.
26:07Maximum speed had dropped from 417 miles per hour to 390.
26:12The zeros were faster now.
26:15They were gaining.
26:16At 300 yards, the lead zero fired.
26:19A four-second burst.
26:2130 rounds.
26:22Hansen rolled left.
26:23Full deflection.
26:24The only direction his damaged aileron would respond quickly.
26:28The tracers passed behind him.
26:30But the roll had cost him airspeed.
26:33370 miles per hour.
26:35360.
26:36The zeros were at 280 yards now.
26:39Hansen pulled into a climbing turn.
26:41Not vertical.
26:43Not aggressive.
26:44A defensive spiral.
26:45Trying to force an overshoot.
26:47The zeros climbed with him.
26:49They had altitude advantage.
26:51They had speed advantage.
26:52They had numbers advantage.
26:54At 4,000 feet, Hansen reversed the turn.
26:57Rolled left again.
26:59The damaged aileron screamed in protest.
27:02Metal groaned.
27:03The control cable was fraying.
27:05Two zeros overshot.
27:07Passed in front of Hansen's nose.
27:08He fired a one-second burst at the nearest one.
27:1250 rounds.
27:13The zeros' tail section shredded.
27:15The fighter went into a flat spin.
27:17Nine down.
27:1912 remaining.
27:20But the burst had cost him ammunition.
27:23590 rounds remaining.
27:25The gun camera was recording everything.
27:27But gun camera footage required confirmation.
27:30Wreckage.
27:31Witnesses.
27:32Without confirmation, kills became probables.
27:36Probables did not count toward official scores.
27:39The remaining four zeros from the immediate gaggle had reformed.
27:42Two on his left.
27:43Two on his right.
27:45Bracket formation.
27:46Classic trap.
27:48If Hansen turned left, the right pair had a shot.
27:51If he turned right, the left pair had a shot.
27:53If he continued straight, both pairs converged.
27:57Hansen pulled vertical again.
27:59The airspeed bled off.
28:01300 mph.
28:02280.
28:04260.
28:05The Corsair was wallowing.
28:08The controls felt mushy.
28:09The damaged aileron was affecting overall control authority.
28:13At the apex of the climb, Hansen rolled inverted and dove.
28:17But this time, his dive was not toward the zeros.
28:20It was toward Bougainville.
28:21Southeast.
28:23Away from Rabaul.
28:24Away from the combat zone.
28:26The tactical decision was made.
28:28He could not continue the engagement.
28:30The aircraft was too damaged.
28:32The engine was failing.
28:34The ammunition was nearly expended.
28:36Continuing the fight meant certain death.
28:39The four zeros pursued.
28:41But Hansen's dive had given him separation.
28:43400 yards.
28:45450.
28:46500.
28:47At 600 yards, the zeros broke off pursuit.
28:50They turned back toward Rabaul.
28:53Japanese doctrine did not favor extended pursuits.
28:56Fuel was limited.
28:57The base was behind them.
28:58Chasing a single-damaged Corsair southeast was tactically unsound.
29:03Hansen maintained his southeast heading.
29:05Airspeed, 340 mph.
29:08Altitude, 3,000 feet.
29:10Distance to Bougainville, 87 miles.
29:13Flight time at current speed, 15 minutes.
29:16The engine temperature gauge remained in the red zone.
29:19The needle was pressed against the maximum reading.
29:22Oil pressure was dropping.
29:2370 pounds per square inch.
29:2665.
29:2760.
29:28Normal operating pressure was 85.
29:30At 55 pounds per square inch, the engine would seize.
29:34The connecting rods would fail.
29:35The pistons would lock.
29:37The propeller would stop.
29:38The aircraft would become a glider with a 30 to 1 glide ratio.
29:42From 3,000 feet, that meant 3 miles of glide distance.
29:46Not enough to reach Bougainville.
29:48Hansen reduced throttle slightly.
29:50The engine temperature dropped 2 degrees.
29:53The oil pressure stabilized at 58 pounds.
29:56Not climbing.
29:57Not falling.
29:58Holding.
29:59The airspeed dropped to 310 mph.
30:02Flight time increased to 17 minutes.
30:04The oil pressure held at 58 pounds.
30:07Below, the ocean was empty.
30:09No ships.
30:10No rescue vessels.
30:12No friendly aircraft.
30:13If the engine failed, Hansen would ditch in open water.
30:17The rubber life raft was still in its compartment behind the seat.
30:21The survival radio was functional.
30:23But the nearest American position was Bougainville, 85 miles ahead.
30:27He checked the fuel gauge.
30:2990 gallons remaining.
30:31Consumption rate at reduced throttle was 40 gallons per hour.
30:35Flight time to Bougainville at current speed, 17 minutes.
30:38Fuel required, 11 gallons.
30:41Margin, 79 gallons.
30:43The fuel was adequate.
30:45The engine was the problem.
30:47At 10 miles from Bougainville, the oil pressure began dropping again.
30:5158 pounds.
30:5256.
30:5354.
30:54The engine was failing.
30:56The bearings were running dry.
30:58Metal was grinding against metal.
31:00Hansen could see the coast of Bougainville ahead.
31:03Green jungle.
31:04White beaches.
31:05The airfield at Piva North was visible.
31:07The runway.
31:08The dispersal areas.
31:10Safety.
31:11The oil pressure reached 50 pounds.
31:13The engine began to knock.
31:15A deep, rhythmic hammering.
31:17The number four cylinder was failing.
31:21At five miles from Piva North, Hansen transmitted on emergency frequency.
31:26His transmission was brief.
31:28Aircraft damaged.
31:29Engine failing.
31:31Request priority landing.
31:32The tower acknowledged immediately.
31:35The oil pressure read 42 pounds.
31:38The engine was hammering violently now.
31:40Multiple cylinders misfiring.
31:42The propeller was windmilling unevenly.
31:45The entire airframe vibrated.
31:48Hansen dropped his landing gear manually.
31:51The hydraulic system had failed completely.
31:53He pulled the emergency gear extension handle.
31:56Three green lights appeared on the panel.
31:58All three landing gear locked down.
32:01The hydraulic failure had not affected the mechanical backup system.
32:05He crossed the coast at 1,000 feet.
32:08The airfield was two miles ahead.
32:10The runway was visible.
32:12Fire trucks were already rolling toward the approach end.
32:15Standard procedure for damaged aircraft.
32:17The oil pressure dropped to 38 pounds.
32:21The engine seized.
32:23The propeller stopped.
32:25The hammering ceased.
32:27The Corsair became a glider.
32:29Rate of descent, 800 feet per minute.
32:32Distance to runway threshold, one mile.
32:35Altitude, 900 feet.
32:38Time to impact, 67 seconds.
32:41Hansen adjusted his glide path.
32:44The mathematics were simple.
32:45Too steep, and he would undershoot.
32:48Too shallow, and he would overshoot.
32:50The margin was less than 2 degrees.
32:53At 500 feet, he was aligned with the runway centerline.
32:57Rate of descent, 700 feet per minute.
33:00Airspeed, 110 miles per hour.
33:03The Corsair stall speed was 87 miles per hour with gear down.
33:07He had 23 miles per hour margin.
33:10At 200 feet, the approach was stable.
33:13At 100 feet, Hansen pulled back slightly on the stick.
33:17Flared the descent.
33:19The main gear touched down 140 feet past the threshold.
33:23Perfect.
33:24The tail wheel settled.
33:26The Corsair rolled to a stop 800 feet down the runway.
33:30Fire trucks surrounded the aircraft.
33:33Ground crew swarmed over it.
33:35Hansen shut down all systems and climbed out.
33:37The Corsair looked like it had flown through a metal shredder.
33:4147 bullet holes.
33:43The right aileron was hanging by two cables.
33:46The left wing had a 3-foot section of fabric torn completely away.
33:50The engine cowling was blackened and cracked.
33:53Oil covered the entire right side of the fuselage.
33:56The vertical stabilizer had six holes.
33:58The rudder had four more.
34:00The ground crew counted the holes.
34:02Photographed the damage.
34:04Marked each impact point with chalk.
34:06Standard procedure for damaged aircraft.
34:09The photographs would go into the maintenance log.
34:11The damage assessment would determine whether the aircraft could be repaired or would be written off.
34:16The intelligence officer arrived with a clipboard.
34:19He interviewed Hansen on the flight line.
34:21Standard debriefing procedure.
34:23How many enemy aircraft encountered?
34:25How many engaged?
34:27How many destroyed?
34:28How many probable?
34:29How many damaged?
34:30Hansen reported nine enemy aircraft destroyed.
34:33The intelligence officer recorded the claim.
34:36But claims required confirmation.
34:38Gun camera footage.
34:40Witness testimony.
34:41Wreckage reports.
34:43Without confirmation, claims became probables.
34:46The other seven Corsair pilots from the mission had returned 30 minutes earlier.
34:50They provided witness statements.
34:52They had seen Hansen dive into the Japanese formation, had seen him scatter the attack, had seen multiple enemy fighters
34:59go down, but they could not provide exact counts.
35:02The engagement had been too chaotic, too fast, too far away.
35:06The gun camera footage was reviewed that afternoon.
35:09The film showed three confirmed kills.
35:12Clear imagery.
35:13Definite destruction.
35:15No ambiguity.
35:16Three enemy aircraft destroyed by gunfire from Hansen's Corsair.
35:20Intelligence cross-referenced the gun camera footage with witness statements and Japanese radio intercepts.
35:26The final tally?
35:27Four confirmed victories.
35:29Two Mitsubishi A6M zeros.
35:32Two Nakajima KI-44 tojos.
35:35The other five claims were downgraded to probables.
35:38Possible kills.
35:39But not confirmed.
35:41Four confirmed victories brought Hansen's total to 25.
35:44He was now tied with Captain Joseph Foss and Major Gregory Boyington for the highest score among active Marine Corps
35:51pilots in the Pacific Theater.
35:53One behind Captain Eddie Rickenbacker's World War I record of 26.
35:58The war correspondents arrived that evening.
36:00They wanted interviews.
36:02Wanted photographs.
36:03Wanted the story of the lone Corsair pilot who had engaged 21 Japanese fighters and survived.
36:10The Associated Press filed a story.
36:12United Press International filed another.
36:15By the next morning, Robert Hansen's name was in newspapers across the United States.
36:20The squadron threw an informal celebration that night.
36:2325 confirmed kills in six months of combat.
36:27The other pilots called him the hottest fighter pilot in the Allied South Pacific.
36:31Major Owens presented him with an unofficial certificate.
36:35Top-scoring Corsair pilot in theater.
36:37But Major Owens also pulled Hansen aside.
36:40Reminded him he was scheduled to rotate home in nine days.
36:44February 10th.
36:45Transport ship to Pearl Harbor.
36:48Then stateside.
36:49The tour was over.
36:51No more missions.
36:52No more combat.
36:53Time to go home and train new pilots.
36:56Hansen acknowledged the order.
36:58Thanked Major Owens.
37:00Walked back to his tent.
37:01Three days later, on February 3rd, Hansen volunteered for a mission to Rabaul.
37:07February 3rd, 1944, began with clear skies over Bougainville.
37:12The mission briefing was routine.
37:15Eight F4U Corsairs would escort 18 TBF Avenger torpedo bombers to Tobara Airfield near Rabaul.
37:22Strike the runway.
37:23Destroy parked aircraft.
37:25Return to base.
37:26Hansen was not scheduled to fly.
37:28His tour was over.
37:29He was supposed to be processing out.
37:31Packing gear.
37:32Preparing for the transport ship that would leave in seven days.
37:36But one of the scheduled pilots had developed severe stomach problems during the night.
37:40Food poisoning.
37:41The squadron needed a replacement.
37:43Hansen volunteered.
37:45Major Owens tried to refuse.
37:47Told Hansen he had done enough.
37:4925 confirmed kills.
37:50Medal of Honor pending.
37:52Navy Cross awarded.
37:53Time to go home.
37:55Hansen insisted.
37:56The squadron was short one pilot.
37:58He was available.
37:59He was qualified.
38:00The mission needed eight Corsairs.
38:03He would fly.
38:04Major Owens authorized the mission.
38:06Bureau No. 56039 had been repaired.
38:09The engine replaced.
38:10The aileron fixed.
38:12The bullet holes patched.
38:13The Corsair was airworthy again.
38:16At 0720, the formation departed Piva North.
38:19The route was familiar.
38:21Northeast across Bougainville Strait.
38:23North past New Ireland.
38:24Final approach from the southeast.
38:26The bombers would strike at 0900.
38:28The strike went perfectly.
38:30The Avengers dropped their bombs on Tobera Airfield.
38:33Secondary explosions indicated fuel storage hits.
38:36The Corsair escort engaged 15 Japanese fighters.
38:39Three enemy aircraft were shot down.
38:41No American losses.
38:43The formation turned southeast for the return flight.
38:46The route home would pass Cape St. George, the southern tip of New Ireland.
38:49A prominent lighthouse stood on the Cape.
38:52Japanese intelligence used it as an observation post.
38:55Anti-aircraft batteries surrounded the position.
38:58Radar installations dotted the hillside.
39:00As the formation passed over Cabanga Bay, Hansen broke formation.
39:04He dove toward Cape St. George.
39:06The lighthouse was visible below.
39:08White tower.
39:09Black top.
39:10Clear target.
39:12The other pilot saw him go.
39:14Called on the radio.
39:15Hansen did not respond.
39:17He was committed to the attack.
39:19At 1,000 feet, Hansen opened fire.
39:22The 6.50 caliber machine guns raked the lighthouse.
39:26Stone chips exploded from the tower.
39:28Windows shattered.
39:29The Japanese anti-aircraft batteries responded immediately.
39:3325mm guns.
39:3540mm guns.
39:36Tracer fire filled the air.
39:38Hansen pulled up from the strafing run.
39:41His right wing hit the water.
39:43The impact was catastrophic.
39:44The wing tore away from the fuselage.
39:47The Corsair cartwheeled.
39:49Hansen tried to level the aircraft.
39:51The remaining wing generated lift.
39:53The Corsair climbed briefly.
39:5550 feet.
39:56100 feet.
39:57Then the fuel in the separated wing ignited.
40:00A massive fireball.
40:02The blast wave hit the cockpit.
40:04The canopy shattered.
40:05The fuselage twisted.
40:07For one second, it appeared Hansen might execute a controlled water landing.
40:11The Corsair was nearly level.
40:13The descent rate was decreasing.
40:15Then the aircraft snap-rolled inverted and hit the ocean at 140 miles per hour.
40:21The Corsair disintegrated on impact.
40:24Pieces scattered across 200 yards of ocean surface.
40:27The fuselage sank immediately.
40:29No parachute appeared.
40:31No life raft deployed.
40:33No survival radio transmission.
40:35Major Owen circled the crash site for 15 minutes.
40:38Saw only wreckage and an oil slick.
40:41The VMF-215 war diary entry for February 3rd was brief.
40:46Lieutenant Hansen did not return from this hop.
40:48Robert Murray Hansen was 23 years old.
40:51One day before his 24th birthday.
40:54Seven days before his scheduled return to the United States.
40:57He was posthumously promoted to captain.
40:59Awarded the Medal of Honor.
41:01The Navy Cross.
41:02The Air Medal.
41:03His name was inscribed on the Wall of the Missing at Manila American Cemetery.
41:08A destroyer, USS Hansen, was commissioned in his honor in 1945.
41:13In 1968, the Marine Corps Aviation Association established the Robert M. Hansen Award, given annually to the Best Marine Fighter
41:23Attack Squadron.
41:24The award continues today.
41:25Hansen's official record stands at 25 confirmed victories.
41:30The second-highest scoring Marine fighter pilot of World War II.
41:34The top-scoring F4U Corsair pilot in history.
41:37But the four victories on January 30th were never fully confirmed.
41:42Gun camera footage was incomplete.
41:44Witness statements were ambiguous.
41:47Intelligence reports were inconclusive.
41:49Some historians believe his actual total was higher.
41:52Perhaps 27.
41:53Perhaps 29.
41:55The exact number will never be known.
41:58What is known is this.
41:59On January 30th, 1944, one Marine pilot in one F4U Corsair engaged 21 Japanese fighters over Rabaul.
42:10He scattered their formation, protected 18 torpedo bombers, shot down at least four enemy aircraft, returned to base with a
42:19failing engine and 47 bullet holes.
42:22Four days later, he was dead.
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42:41Stories about pilots who fought alone over Pacific waters.
42:45Real people.
42:46Real courage.
42:48Real sacrifice.
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