Los Angeles class
Fuel enrichment
~93% U-235
HEU
Los Angeles class is a nuclear-powered submarine operated by United States Navy, powered by S6G of about 165 MWt. Operating.
The most numerous nuclear submarine class ever built, 62 boats between 1976 and 1996, and still the backbone of the American attack submarine fleet even as Virginia-class boats replace them. About a third have now been retired.
Propulsion
| Reactor | S6G |
|---|---|
| Reactors per vessel | 1 |
| Thermal output | 165MWt |
| Fuel enrichment | ~93% U-235HEU |
| Refuelling | not disclosed |
Vessel
| Category | submarine |
|---|---|
| Role | SSN |
| Operator | United States Navy |
| Country | United States |
| Vessels in class | 62 |
| In service from | 1976 |
| Status | Operating |
Other submarines
| Class | Enrichment | Status |
|---|---|---|
| AUKUS submarines | HEU | Planned |
| Akula class | - | Operating |
| Alfa class | HEU | Retired |
| Arihant class | HEU | Operating |
| Astute class | HEU | Operating |
| Borei class | HALEU | Operating |
| Columbia class | HEU | Under construction |
| Dreadnought class | HEU | Under construction |
| Han class (Type 091) | - | Operating |
| Le Triomphant class | LEU | Operating |
| Ohio class | HEU | Operating |
| Oscar II class | - | Operating |
| Seawolf class | HEU | Operating |
| Suffren class (Barracuda) | LEU | Operating |
| Type 093 and 094 (Shang and Jin) | LEU | Operating |
| Typhoon class | - | Retired |
| USS Nautilus | HEU | Retired |
| Vanguard class | - | Operating |
| Virginia class | HEU | Operating |
| Xia class (Type 092) | - | Retired |
| Yasen class | HALEU | Operating |
Sources
- World Nuclear Association, Nuclear-Powered Ships · retrieved 2026-09-07
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data