00:00Three days after the assassination of Julius Caesar, the water of the Tiber River boils.
00:07A 377-foot mass of black steel breaches the surface right in the heart of ancient Rome.
00:15Aboard the USS Virginia, the 132-person crew checks their instruments.
00:22The GPS is dead. The satellite arrays are completely blind.
00:27It is only when the navigation officer runs a historical star chart database that they confirm the reality of the
00:35sky above them.
00:36The year is 44 B.C.
00:39On one side of the riverbank sits the most successful military empire of antiquity.
00:45On the other sits a single machine possessing more destructive capability than every army in human history combined.
00:53Rome in 44 B.C. is not a collection of primitive huts.
00:59It is a highly organized urban center of one million people, supported by vast concrete plumbing and an administrative network
01:07spanning three continents.
01:09But their absolute peak of military engineering relies on torsion and human muscle.
01:15Their largest weapon is the ballista, essentially a giant crossbow capable of hurling a 60-pound boulder roughly 300 yards.
01:27This map compares the ancient artillery limit with the USS Virginia.
01:33Romans engage at hundreds of yards.
01:36A tomahawk missile hits targets 1,500 miles away.
01:44From the Tiber, every Roman city is under the submarine's thumb.
01:50Still, Rome commands a massive, highly disciplined human force.
01:56Their legions routinely march 20 miles a day and construct fully fortified military camps, complete with ramparts and deep trenches
02:05every single night.
02:07This chart shows the top-down Roman command structure.
02:12It starts with the commander, flowing directly through questers and legates managing the individual legions.
02:19This rigid hierarchy ensures orders filter flawlessly down to the contubernium, the basic eight-man unit chairing a single tent.
02:28The submarine's armor and weapons make it practically invincible in a physical fight.
02:35Yet that raw power is heavily isolated against a continent-spanning administrative machine that can continuously mobilize hundreds of thousands
02:45of men.
02:45When the conning tower finally opens and a crew member steps onto the deck, the Roman centurion on the bank
02:53does not throw a spear.
02:55He recognizes a situation outside his training and immediately sends a runner back to the city to find someone with
03:03more authority.
03:03By nightfall, a delegation of 12 senators arrives.
03:08When the crew presents a simple battery-powered flashlight as a demonstration, the senators do not recoil in fear.
03:16They lean forward, study the beam, and realize they are looking at a tool with no flame.
03:22They do not fall to their knees or cry witchcraft.
03:26They observe the device, deduce that the people using it are rational, and begin calculating exactly how to negotiate with
03:35this new power.
03:36The crew of the Virginia holds the ultimate military advantage, but they are trapped by their own biology.
03:44Deep inside the hull, the submarine's nuclear reactor makes enough heat to spin giant turbines and power the ship for
03:5433 years without ever needing to refuel.
03:58This chart shows the crew's fatal dilemma.
04:02While the top bar illustrates 33 years of abundant energy, the bottom bar shows the strict reality of their vacuum
04:11-sealed food rations,
04:12which will be completely exhausted in exactly 90 days.
04:17As the highlight shows, at this 90-day mark, the reactor is still at full power, but the crew is
04:25at the starvation point.
04:27Without resupply, the vessel becomes a dead steel tomb.
04:32To secure their future, the captain agrees to a single demonstration of power.
04:38They fire a tomahawk missile into an uninhabited valley 50 miles outside the city.
04:45The explosion flattens the landscape and rattles every window in Rome.
04:51The Senate acts within the hour.
04:54Rather than fighting, they finalize a treaty.
04:57The submarine crew will receive unlimited food, water, and full Roman citizenship in exchange for their engineering and medical knowledge.
05:07The world's deadliest naval vessel submits to the authority of an Iron Age Senate, forced into negotiation by the simple
05:17human need for grain.
05:19The crew integrates into Roman society, teaching the city's surgeons the basics of germ theory, mandating handwashing and the boiling
05:29of water for all medical procedures.
05:31In the field hospitals, the effect is immediate.
05:36Where a simple scratch used to be a death sentence, wounded men are now surviving and returning to the front
05:42lines.
05:44Within a decade, this shift in hygiene cuts the empire's greatest drain on manpower, disease, by a third.
05:52However, this rapid industrialization rests entirely on the back of Rome's massive underclass.
06:01Over a third of the entire Roman population, millions of people, are enslaved laborers.
06:08They work the mines, tave the roads, and run the agricultural engine that feeds the city.
06:15Using the ship's engineering manuals, Roman technicians develop a primitive electrical signaling system along the Appian Way.
06:25But these advances don't liberate the workforce.
06:29Instead, faster communication allows the Senate to monitor and move enslaved laborers with terrifying new precision.
06:38When advanced technology is handed to a society built on exploitation, it does not correct the moral flaws of the
06:47system.
06:47It simply scales them up.
06:49It simply scales them up.
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