I-401 alongside of USS Proteus, Yokosuka, Japan, 29 Aug 1945I-401 and I-14 alongside of USS Proteus (far left), Yokosuka, Japan, 29 Aug 1945USS Proteus, I-400, I-401, and I-14, Yokosuka, Japan, 29 Aug 1945USS Proteus, I-401, and I-14, Yokosuka, Japan, 29 Aug 1945
I-401 alongside of USS Proteus, Yokosuka, Japan, 29 Aug 1945I-401 and I-14 alongside of USS Proteus (far left), Yokosuka, Japan, 29 Aug 1945USS Proteus, I-400, I-401, and I-14, Yokosuka, Japan, 29 Aug 1945USS Proteus, I-401, and I-14, Yokosuka, Japan, 29 Aug 1945
Officers of submarine I-400, circa late Aug 1945Hangar of submarine I-400, Japan, 1945US and Japanese sailors aboard I-401, Japan, 1945I-400 at sea, date unknown
Officers of submarine I-400, circa late Aug 1945Hangar of submarine I-400, Japan, 1945US and Japanese sailors aboard I-401, Japan, 1945I-400 at sea, date unknown
Submarine I-400 in harbor next to American submarine tender USS Proteus, circa late 1945 or early 1946Submarine I-400, date unknownUS Navy personnel inspecting a deck gun aboard Japanese submarine I-400, circa late 1945 or early 1946US Navy personnel inspecting the hangar of Japanese submarine I-400, circa late 1945 or early 1946
Submarine I-400 in harbor next to American submarine tender USS Proteus, circa late 1945 or early 1946Submarine I-400, date unknownUS Navy personnel inspecting a deck gun aboard Japanese submarine I-400, circa late 1945 or early 1946US Navy personnel inspecting the hangar of Japanese submarine I-400, circa late 1945 or early 1946
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Famous WW2 Quote
"The raising of that flag on Suribachi means a Marine Corps for the next 500 years."

James Forrestal, Secretary of the Navy, 23 Feb 1945