W55 (nuclear warhead)
| W55 nuclear warhead | |
|---|---|
| Type | Nuclear weapon |
| Place of origin | United States |
| Production history | |
| Designer | Lawrence Livermore National Laboratory |
| Produced | January 1964 to March 1968 and May 1974 to April 1974 |
| No. built | 285 warheads produced in two production runs |
| Specifications | |
| Mass | 465 lb (211 kg) |
| Length | 39.4 inches (100 cm) |
| Diameter | 13 in (33 cm) |
| Blast yield | Disputed, either 1 to 5 kilotonnes of TNT (4.2 to 20.9 TJ) or 25 kilotonnes of TNT (100 TJ) |
| References | |
The W55 was a tactical nuclear weapon that was in service with the US Navy from 1964 to 1990, and was carried by the UUM-44 SUBROC submarine-launched missile as a nuclear depth bomb.
The last W55 warhead was dismantled in December 1996.