Original WWII Imperial Japanese Navy 80ft 2 Man Submarine Torpedo Tube Door Brass Plaque - USGI Bring Back Russian Navy Overall length is about 26

Overall length is about 26 inches on this very nice example

Used by B-17 navigators on bombing runs all over Western Europe

It has the correct bakelite screw top cap

The grenade would be used with a propellant cartridge and Schießbecher (shooting cup) grenade launcher to direct the projectile

Circa 1976-1980

Original WWII Imperial Japanese Navy 80ft 2 Man Submarine Torpedo Tube Door Brass Plaque - USGI Bring Back Russian Navy Overall length is about 26Original Item: One of a Kind. This is a fantastic piece of Imperial Japanese Navy militaria, brought back by a USGI after the war. The back of the brass plate looks to be tin or lead plated, and the person who captured it scratched the following into the back: FEb 5 1945 TORPEDO TUBE JAP 80 FT 2 MAN SUB The plate itself is marked what we believe to be on the top, which translates to "injection tube" or something similar. We are not quite sure on the