German submarine U-40

U 40 is:

SM U 40 (1911-1919), a submarine of the German Imperial Navy
U 40 ( kuk Marine ), a submarine of the Austro-Hungarian Navy
U 40 ( Kriegsmarine ), a submarine of the German Navy

Disambiguation
Abbreviation

SM U-40 (Germany) German submarine U-40 (1938)

789037

de