| Airplanes, Military--Germany | 1 |
| Airplanes, Military--Great Britain | 1 |
| Airplanes, Military--Italy | 1 |
| Airplanes, Military--Japan | 1 |
| Airplanes, Military--United States | 1 |
| Airplanes--Recognition | 1 |
| Warships--Germany | 1 |
| Warships--Great Britain | 1 |
| Warships--Italy | 1 |
| Warships--Japan | 1 |
| Warships--Recognition | 1 |
| Warships--United States | 1 |
| World War, 1939-1945--Aerial operations | 1 |
| World War, 1939-1945--Naval operations | 1 |
