09/07/2026
The pilot entered through a small hatch, sealed himself inside, and disappeared beneath the Pacific in a weapon he could not escape. The Kaiten was designed for a one-way attack, with survival never built into the mission.
Japan developed the Kaiten during the final stage of World War II, as American naval power closed in and conventional defenses failed. The manned torpedoes were launched from submarines and guided by a human pilot toward enemy ships.
Each Kaiten measured about 14.7 metres long and carried a 1,550-kilogram warhead. The pilot controlled the weapon from a cramped compartment surrounded by machinery, fuel, compressed air, and steel.
The idea promised precision that ordinary torpedoes could not provide. In practice, navigation problems, mechanical failures, rough seas, and limited visibility made the mission deadly before the enemy was even reached.
Around 400 Kaiten were built, but they sank only 2 American ships. About 100 pilots died, and many were killed in training accidents or when the submarines carrying their weapons were sunk, rather than during successful attacks.
The Kaiten was not simply a weapon of destruction. It was also a measure of a wartime system willing to turn young men into guidance mechanisms, then call their deaths necessary. Beneath the ocean, technology and sacrifice became almost impossible to separate.