The Virginia class, also known as the SSN-774 class, is a class of nuclear-powered fast attack submarines in service with the United States Navy.
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Virginia-class #Submarines are designed for a broad spectrum of open-ocean and littoral missions. They were conceived as a less expensive alternative to the Seawolf-class attack submarines, designed during the Cold War era. They are replacing older Los Angeles-class submarines, many of which have already been decommissioned. Virginia-class submarines will be acquired through 2043, and are expected to remain in service past 2060. Based on recent updates to the designs, some of the Virginia-class submarines are expected to still be in service in 2070.
SPECIFICATIONS
Name: Virginia
Type: Nuclear attack submarine
Operators: United States #Navy
Preceded by: Seawolf class
Cost: $2.688 billion per unit (FY2016)
Built: 2000–present
In commission: 2004–present
Building: 5
Planned: 48
Completed: 16
Active: 14
Builders:
General Dynamics Electric Boat
Newport News Shipbuilding
Length: 114.91 m
Beam: 10.36 m
Displacement: 7,900 t
Payload:
40 weapons, special operations forces, unmanned undersea vehicles, Advanced SEAL Delivery System (ASDS)
Propulsion:
The S9G nuclear reactor delivering 40,000 shaft horse power. Nuclear core life estimated at 33 years.
Test depth:
greater than 240 m, allegedly around 490 m.
Complement: 135 (15:120)
Speed:
Greater than 46 km/h allegedly up to 65 km/h
Range: unlimited
Endurance:
Only limited by food and maintenance requirements.
Planned cost:
about US$1.65 billion each (based on FY95 dollars, 30-boat class and two boat/year build-rate)
Actual cost:
US$1.5 billion (in 1994 prices), US$2.6 billion (in 2012 prices)
Annual operating cost: $50 million per unit
Crew: 120 enlisted and 14 officers
Armament:
Block I-IV:
12 × VLS (Tomahawk BGM-109) tubes
4 × 533 mm torpedo tubes (Mk-48 torpedo)
37 × torpedoes & missiles (torpedo room)
Block V:
VPM module (28 Tomahawk BGM-109)
12 × VLS (Tomahawk BGM-109) tubes
4 × 533 mm torpedo tubes (Mk-48 torpedo)
65 × torpedoes & missiles
Decoys: Acoustic Device Countermeasure Mk 3/4
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