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SSN-774 Virginia-class
| Los Angeles | Seawolf | NSSN | |
|---|---|---|---|
| Length: | 360 feet (110 meters) | 353 feet (108 meters) | 377 ft. (115 m) |
| Beam: | 33 feet (10 meters) | 40 ft. (12.2 m) | 34 ft. (10.4 m) |
| Submerged displacement (long tons): | 6,900 | 9,100 | 7,800 |
| Submerged speed: | 25+knots | 25+knots | 25+knots |
| Depth: | 800+ ft. (250 m) | 800+ ft. (250 m) | 800+ ft. (250 m) |
| Weapons | |||
| Mk 48 ADCAP torpedoes | x | x | x |
| Tomahawk cruise missiles | x | x | x |
| Mk60 Captor mines | x | x | x |
| Advanced mobile mines | x | x | x |
| Unmanned underwater vehicles | -- | -- | x |
| Specifications | |
|---|---|
| Contractors |
General Dynamics Electric Boat Division [lead design authority] Newport News Shipbuilding Lockheed Martin Federal Systems (Combat System) Raytheon Electronics Systems (Combat System) |
| Power Plant | One S9G pressurized water reactor ??,000 shp [early units] One Transformational Technology Core (TTC) pressurized water reactor ??,000 shp [later units] one shaft with pumpjet propulsor Improved Performance Machinery Program Phase III one secondary propulsion submerged motor |
| Displacement | 7,800 tons submerged |
| Length | 377 feet |
| Draft | 32 feet |
| Beam | 34 feet |
| Speed | 25+ knots submerged |
| Depth | Greater than 800 feet |
| Horizontal Tubes | Four 21" Torpedo Tubes |
| Vertical Tubes | 12 Vertical Launch System Tubes |
| Weapons | 38 weapons, including: Vertical Launch System Tomahawk Cruise Missiles Mk 48 ADCAP Heavyweight Torpedoes Advanced Mobile Mines Unmanned Undersea Vehicles |
| Special Warfare |
Dry Deck Shelter Advanced SEAL Delivery System |
| Sonars |
Spherical active/passive arrays Light Weight Wide Aperture Arrays TB-16, TB-29, and future towed arrays High-frequency chin and sail arrays |
| Countermeasures | 1 internal launcher (reloadable 2-barrel) 14 external launchers |
| Crew | 113 officers and men |
| Total Program |
30 systems Total program cost (TY$) $67034M Average unit cost (TY$) $2110M |
| Status | Full-rate production 1QFY07 |
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