This is the Ko-hyoteki Ko Gata Type d sub. This one was found with sevral others just after the Japanese surender. the photo is not the best quality but its still a good example of Japans midgit subs.

Japanese midgit sub

This a japanese ww2 midgit sub, found by the british just after the surender. This is not the standard midgit sub and it is not a Kaiten... perhaps it is one of the Kairyu subs...???

Anyone know anything about these????

japanese navy paratrooper using a flametrower