Japan's 3 Man Submarine 

sub1.jpg (16828 bytes)
This Mini Sub was mounted 
in Yokosuka Naval Station 
near the main gate. It was a 
three man submarine that the 
Japanese used during WW II. 
I understand that they were 
sometimes used on suicide

sub2.jpg (21494 bytes)
This is a different mini sub but 
also at the Naval Station in 
Yokosuka. I think that the sign
in the picture says that there were
141 if these built.