Underwater Aircraft Carriers: Imperial Japan’s Secret Weapon

Sign up for an annual CuriosityStream subscription and you’ll also get a free Nebula subscription (the new streaming platform built by creators) here: In August of 1945, as the world celebrates Imperial Japan’s surrender and the effective end of the second world war, the American’s make a puzzling discovery out in the Pacific. The US Navy has intercepted a Japanese submarine that’s unlike anything they’ve seen before. It’s by far the largest submarine ever constructed, at