The submarine USS Narwhal of the US Navy.
Technical information
| Type | Submarine |
| Displacement | 2730/3960 BRT |
| Length | 371 feet |
| Complement | 88 men |
| Armament | 6 torpedo tubes (6/4) 2 6inch deck gun AA guns |
| Max speed | 17/8,5 knots (surfaced/submerged) |
| Engines | Diesels |
| Power | 5450/2450 (surfaced/submerged) |
| Notes on class |
All ships of the Narwhal class
| ||
 | Narwhal (SS-167) | |
| | Nautilus (SS-168) | |
| ||
US Navy (more on See all Submarine classes.