We found information about the following specific ships:

Description: submarine

We also found the following citations which are not yet associated with specific ships:

U-21

45 ship citations (5 free) in 40 resources

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U 21 (German Navy U-boat) Subscribe to view

U 21 (German Submarine) Subscribe to view

U 21 (submarine) Subscribe to view

U 21 (U-boat) Subscribe to view

U 21 (United State ship) Subscribe to view

U-21 Subscribe to view

U-21 (Ge) Subscribe to view

U-21 (German) Subscribe to view

U-21 (submarine) Subscribe to view

U-21 (U-Boat) Subscribe to view