| Answer | Crossword Clue |
|---|---|
| SEAWOLF | Nuclear submarine. |
| TRITON | Nuclear submarine. |
| ALFA | Soviet nuclear-powered submarine |
| SARGO | U. S. nuclear submarine. |
| SEAWOLF | U.S. nuclear submarine. |
| USSNAUTILUS | First nuclear-powered submarine |
| SKATE | U. S. N. nuclear submarine. |
