Category
page 1U-boats sunk in 1921
SM U-151
1917 Type U 151 submarine
SM U-121
1918 Type UE II submarine
SM U-117
1917 Type UE II submarine
SM U-140
1917 Type U 139 submarine
SM U-152
German submarine from World War 1
SM U-123
1918 Type UE II submarine