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The Virginia class, also known as the SSN-774 class, is a class of nuclear-powered cruise missile fast-attack submarines in the United States Navy. Designed by General Dynamics Electric Boat (EB) and Huntington Ingalls Industries, the Virginia class is the United States Navy’s latest submarine model, incorporating the latest stealth, intelligence gathering, and weapons systems technology.

Virginia class submarines are designed for a broad spectrum of open-ocean and littoral missions, including anti-submarine warfare and intelligence-gathering operations. They are scheduled to replace 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 until at least 2060, with later submarines expected to remain into the 2070s.

Block V

Block V involves ten boats and may incorporate the Virginia Payload Module (VPM), giving guided-missile capability when the Guided Missile Submarines (SSGNs) are retired from service. The Block V subs are expected to triple the capacity of shore targets for each boat. Construction on the first two boats of this block was expected to begin in 2019 but was pushed back to 2020, with contracts for long lead time material for SSN-802 and SSN-803 awarded to General Dynamic’s Electric Boat.

The Block V subs were confirmed to have an increased length, from 377 ft (115 m) to 460 ft (140 m), and displacement, from 7,800 tons to 10,200 tons. Block V is the second-largest US submarine, behind only the Ohio class (at 560 ft; 170 m).


General Characteristics

  • Displacement: 10,200 tons
  • Length: 460 ft (140 m)
  • Beam: 34 ft (10 m)


  • Reactor: 1 × S9G nuclear reactor – 280,000 shp (210 MW)
  • Steam Turbines: 2 × steam turbines 40,000 shp (30 MW)
  • Propulsor: 1 × single shaft pump-jet propulsor
  • Auxiliary: 1 × secondary propulsion motor

Operating Capabilities

  • Speed: 25 knots (46 km/h; 29 mph) or over
  • Range: Unlimited
  • Endurance: Only limited by food and maintenance requirements
  • Test depth: Over 800 ft (240 m)
  • Crew Complement: 135 (15 officers; 120 enlisted)


Cutaway of a Block V Virginia Class submarine, click for larger image.

These specifications and content describing the submarine have been taken from the Virginia Class Wikipedia Article. Please view it for comprehensive information. Anything on this page overriding what is available on Wikipedia or US Navy sources is canon for this group. To learn more about life aboard a submarine and how things operate daily, we suggest you check out Submarine 101, provided by a former US Navy Submarine Executive Officer and author, Rick Campbell. To view the free resource, please click here.