Japan’s I-400 class submarines were among the largest ever built, capable of traveling over 40,000 miles while carrying ...

Here’s What You Need to Know: Japan had grand visions of attacking coastal U.S. cities. Over 70 years ago, the Imperial Japanese Navy’s prized Sen Toku I-400-class submarine aircraft carriers were ...

Japan's enormous I-400-class subs were supposed to bring the fight to US shores, launching planes to drop bombs on American cities and bases during during World War II. But wartime shortages limited ...

At the time of World War II, American submarines were no longer than 312 feet with a beam of 27 feet. So, you can imagine America's surprise when two U.S. destroyers picked up a Japanese submarine on ...

Over 70 years ago, the Imperial Japanese Navy’s prized Sen Toku I-400-class submarine aircraft carriers were captured and scuttled off the coast of Hawaii. Now a team from the University of Hawaii and ...