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I-401 is Found! 20 March 2005.....I-401 was one of three huge Japanese submarines taken by the US Navy at the end of the war, studied and eventually scuttled in deep water. This boat and her sister I-400 had watertight aircraft hangars that housed small floatplanes which were to be used for scouting. These boats were surrendered to US Navy forces at the end of the war, taken back to Hawaii to be studied then because the Soviets were demanding access to these boats, they were taken out to sea on 31 May 1946 and used as torpedo targets of USS...

HONOLULU (AP) - The wreckage of a large World War II-era Japanese submarine has been found by researchers in waters off Hawaii. A research team from the University of Hawaii discovered the I-401 submarine Thursday during test dives off Oahu. "We thought it was rocks at first, it was so huge," said Terry Kerby, pilot of the research craft that found the vessel. "But the sides of it kept going up and up and up, three and four stories tall. It's a leviathan down there, a monster." The submarine is from the I-400 Sensuikan Toku class of subs, the largest...