U-boats - Page 1 |
Contains additional information |
| U 53 sinking merchant vessel (painting) |
| Seaplanes pursue U-boat (painting) |
| Diagram of a UC 44 class U-boat |
| Control room |
| Submarine command organization, 1917 |
| U-boats at dock |
| Phases of the U-boat campaign |
| U-boats on patrol |
| Telegram regarding submarine warfare |
| Torpedo hitting merchant ship |
| Allied/neutral loss chart |
| British propaganda poster |
| Anti-submarine warfare |
| The Lusitania |