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Japanese Submarine I-400 Class

Size	Image Description	Contributed By/ Source
178k	Blower (SS-325) in Tokyo Bay next to captured Japanese submarine *I-400*, circa Sept 1945.	US Navy photo courtesy of usssubvetsofwwii.org.
225k	*I-401* in Tokyo Bay, Sept. 1945. Submarine Squadron One, which consisted of *I-13, I-14, I-400* & *I-401* was commanded by a sadistic s.o.b. by the name of Tetsunosuke Ariizumi, who was responsible for the cold blood murder of Allied seaman whose ships he sank while commanding the *I-8* in 1944.	USN photo courtesy of Scott Koen & ussnewyork.com.
205k	Outboard to inboard: *I-14, I-401* & *I-400* in Tokyo Bay, circa Sept 1945. You can see Japaneses sailors sitting around on the decks. Remember the time frame we are dealing with here: this is just days after the surrender and the sailors would have been kept to be interviewed regarding the operation of the subs. In fact, in several of the photos you can see individual and groups of Japanese talking with US sailors.	Photo & text from the private collection of Ric Hedman. Text i.d. courtesy of John Hart.
375k	Outboard to inboard:, *I-400* & *I-401* alongside Proteus (AS-19) in Tokyo Bay, Sept. 1945.	USN photo courtesy of Scott Koen & ussnewyork.com.
289k	*I-14* & *I-400* alongside Proteus (AS-19) in Tokyo Bay, Sept. 1945.	Photo courtesy of John Hummel, (USN) retired.
138k	*I-400* & *I-14* in Tokyo Bay, Sept. 1945.	USN photo courtesy of Scott Koen & ussnewyork.com.
204k	American sailors line up to view the *I-400* in Tokyo Bay, Sept. 1945.	USN photo courtesy of Scott Koen & ussnewyork.com.
44k	*I-401* in Tokyo Bay, Sept. 1945.	USN photo courtesy of Scott Koen & ussnewyork.com.
203k	*I-14* with hangar open & *I-400* at Pearl Harbor, Sept. 1945.	Photo i.d. courtesy of Ric Hedman. USN photo courtesy of Scott Koen & ussnewyork.com.
610k	*I-14* as seen from the Euryale (AS-22), 5 November 1945. In the background is a hospital ship and a landing craft.	US National Archives photo # 80g 264364, from NARA, College Park, Maryland, courtesy of Sean Hert, Webmaster & Editor ModelWarships.com
876k	*I-14* as seen from the Euryale (AS-22), 5 November 1945. In the background is a hospital ship and a landing craft.	US National Archives photo # 80g 264365, from NARA, College Park, Maryland, courtesy of Sean Hert, Webmaster & Editor ModelWarships.com
769k	The I's have it. From the Euryale (AS-22) outboard: *I-401, I-14* & *I-400* on 16 November 1945.	US National Archives photo # 80g 264343 from NARA, College Park, Maryland, courtesy of Sean Hert, Webmaster & Editor ModelWarships.com
343k	*I-400* in Dry dock # 1 Pearl Harbor 1946.	Photo courtesy of John Hummel, (USN) retired. Photo added 06/12/11.
939k	The remains of two high-tech World War II Japanese submarines designed to attack the United States mainland have been found off Oahu. The announcement was made this morning by the National Oceanic and Atmospheric Administration's Undersea Research Lab at the University of Hawaii-Manoa and the National Geographic Channel. The submarines — the subjects of a National Geographic special, "Hunt for the Samurai Subs" — were part of a top-secret Imperial Japanese Navy plan to attack cities on the U.S. mainland, including New York and Washington, D.C. The *I-14* was capable of carrying two fighter bombers while submerged; the *I-201* was the fastest attack submarine of its time. Dr. Hans Van Tilburg, maritime heritage coordinator for NOAA's National Marine Sanctuaries in the Pacific Islands, said the submarines incorporated design and warfare concepts in use today. "If you look at a sub like the *I-201* it was nothing like anybody had in World War II," he said. "It had a streamlined body and conning tower and retractable guns. It looks more like a Cold War sub. "And the (400-foot-long) *I-14* predates the cruise missile concept." Similar to a modern-day "boomer," the *I-14* carried enough fuel to travel around the globe, Van Tillburg said. That meant it could pop up off the East Coast, assemble and launch its folded-wing planes within 10 minutes and then submerge again. After the war, five of the subs were captured by the U.S. and brought back to Pearl Harbor where they were studied. They were intentionally sunk by the U.S. Navy in 1946 when Russian scientists began to demand access to the technology under terms of the treaty that ended the war. Since 1992, a team led by Hawaii Undersea Research Lab operations director Terry Kerby has used the manned submersibles *Pisces IV* and *Pisces V* to hunt for the Japanese subs. In March 2005, the team discovered the *I-401* which could carry three aircraft. The *I-14* and *I-201* were found in February in 3,000 feet of water. Kerby said the search for the *I-14* and *I-201* was aided by veterans after the discovery of the *I-401* became public. Joe Gould, who was assigned to be the executive officer of the *I-14* while it was at Pearl Harbor, shot 16mm film of the sinking of the sub somewhere off Pearl Harbor. "As the (camera) panned from Kaena Point to Diamond Head, we were able to pick out landmarks and triangulate a rough position," Kerby said. Van Tilburg said Japan began working on the new fleet of submarines too late in the war and was only able to produce a small number of them. "If they had been able to produce them earlier, it might have turned the tide in some battles," he said. None of the submarines' missions were carried out.	Photo & text from the honoluluadvertiser.com.

Additional Resources and Web Sites of Interest
Hawai‘i Undersea Research Lab (HURL)
combinedfleet.com. Type AM

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