World War II-era Imperial Japanese Navy mega-submarine located off Hawaii (VIDEO)

 Mega Submarine Longer Than a Football Field Found

A World War II-era Imperial Japanese Navy mega-submarine type I-400 had been lost since 1946. American forces scuttled the submersible after it was captured and now it’s been rediscovered in 2,300 feet of water off the coast of Oahu. The location of the sub had been in doubt.

A press release from the University of Hawaii stated that the sub is longer than a football field at 400 feet. It was the largest submarine ever built until the 1960’s nuclear sub fleets arrived. It had a range of 37,500 miles and could travel one and a half times around the world without refueling. No other diesel submarine ever matched that.

The discovery was made by Terry Kerby who is the Hawaiʻi Undersea Research Laboratory (HURL) operations director and chief submarine pilot. “The I-400 has been on our ‘to-find’ list for some time.  It was the first of its kind of only three built, so it is a unique and very historic submarine,” said Kerby.  “Finding it where we did was totally unexpected.  All our research pointed to it being further out to sea.  The multi-beam anomalies that appear on a bottom survey chart can be anything from wrecks to rocks—you don’t know until you go there.  Jim and Hans and I knew we were approaching what looked like a large wreck on our sonar.  It was a thrill when the view of a giant submarine appeared out of the darkness.”



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