U
| Class | Country | Type | Launch years | Displacement (tons) | Number |
| U and V | UK | destroyer | 1942-43 | 1,777-1,808 | 16 |
| Unyru | Japan | fleet aircraft carrier | 1943-44 | 22,534 | 3 |
Read more about this topic: List Of World War II Ship Classes
U
| Class | Country | Type | Launch years | Displacement (tons) | Number |
| U and V | UK | destroyer | 1942-43 | 1,777-1,808 | 16 |
| Unyru | Japan | fleet aircraft carrier | 1943-44 | 22,534 | 3 |
Read more about this topic: List Of World War II Ship Classes