A boat sitting in a river in Tokyo’s Chuo Ward that looks like any other watercraft has been causing waves online as it may have once been part of the Imperial Japanese Navy. There is a high ...

In 2011, declassified CIA documents shed light on a covert government program dating back to WWII. At its center was a submersible craft built for a hypothetical invasion of Japan. A Rare Look at ...

WWII had come to a close, and the U.S. was the first to seize a new class of giant Japanese submarines. The next step was to analyze them quickly and then sink them, before the Russians could ...