History
1942
Hiroshi Kuroki and Sekio Nishina, both naval officers, propose the concept of human torpedoes to the upper echelons of the Navy
1943
Prototypes and sea trials were conducted, and a training base was established on Ozu Island in Shunan City, Yamaguchi Prefecture, complete with launching facilities and accommodations
1944
Mass production and special attack units were organized, and on 20 November at Ulithi Anchorage a Kaiten sank the U.S. oiler USS Mississinewa, marking the program's first success
1945
Despite multiple sorties between January and August, results were limited, over 106 pilots died, and the program ended with Japan's surrender on 15 August
1968
The Kaiten Memorial Museum opened on Ozu Island to commemorate the dead and preserve related materials
Acsess
From Hiroshima to Ozushima
(included Hiroshima Peace Memorial Museum)
From Hakata (Fukuoka) to Ozushima