A secret weapon and a secret mission A Japanese Type A mini-sub that ran aground in eastern Oahu during the Pearl Harbor attack, photographed on or shortly after December 8, 1941.

It was a balmy morning as the sun rose over the Pacific Island of Ulithi in late 1944. The Reveille rang strongly onboard the ...

It was a torpedo turned suicide vessel - and few outside Japan even knew it existed. The Kaiten was a manned kamikaze submarine designed for one mission: get close, detonate, and never return. Step ...

Today is the anniversary of Japan's attack on Pearl Harbor. To mark the occasion in 1966, Popular Science published a feature on how the Japanese designed such a successful assault--and how they ...

Only days before the 72nd anniversary of the Pearl Harbor attack, the secret weapon of the Japanese admiral who planned the "Day of Infamy" has been found and positively identified at 2,300 feet ...

The Japanese already have come out with a special pusher-type suicide plane with a nose filled with TNT, but even these planes, of which only a few have been seen so far, have limited effectiveness.

WWII saw the development of some zany designs for weapons, such as when the U.S. developed pigeon guided missiles and (literal) bat bombs (the latter of ...

FORT SNELLING, Minn. -- One of the secret weapons of World War II was developed at Fort Snelling. During the war, 6,000 Japanese-Americans from Hawaii and the West Coast were trained at the 19th ...

Japan’s naval aviation ships are steadily growing larger and more capable—almost ridiculously so: at 27,500 tons and more than eight hundred feet long, Izumo is unnecessarily large for an all ...