Japanese "Kaiten" (Type 2 or Type 4) Human Torpedo
Photo #: NH 81492 Japanese Kaiten (Type 2 or Type 4) Human Torpedo On display in East Willard Park, Washington Navy Yard, Washington, D.C., in October 1974. This example is 54 1/2 feet long and 4 1/2 feet in diameter. It was built in 1945. Counter-rotating propellers are 39 inches in diameter. U.S. Naval History and Heritage Command Photograph.