USS Pittsburgh (SSN-720)

USS Pittsburgh (SSN-720)
USS Pittsburgh (SSN-720) participates in a dockside ceremony. Note the former USN jack waving from the front of the sub.
USS Pittsburgh at a dockside ceremony in 1985.
History
United States
NameUSS Pittsburgh
NamesakeThe City of Pittsburgh, Pennsylvania
Awarded16 April 1979
BuilderGeneral Dynamics Electric Boat
Laid down15 April 1983
Launched8 December 1984
Commissioned23 November 1985
Decommissioned15 April 2020
Out of service6 August 2019
HomeportGroton, Connecticut
MottoHeart of Steel
StatusDecommissioned
Badge
General characteristics
Class and typeLos Angeles-class submarine
Displacement
  • 5,802 long tons (5,895 t) light
  • 6,193 long tons (6,292 t) full
  • 391 long tons (397 t) dead
Length110.3 m (361 ft 11 in)
Beam10 m (32 ft 10 in)
Draft9.4 m (30 ft 10 in)
Propulsion
  • 1 × S6G PWR nuclear reactor with D2W core (165 MW), HEU 93.5%[1][2]
  • 2 × steam turbines (33,500) shp
  • 1 × shaft
  • 1 × secondary propulsion motor 325 hp (242 kW)
Speed
  • Surfaced:20 knots (23 mph; 37 km/h)
  • Submerged: +20 knots (23 mph; 37 km/h) (official)
Complement12 officers, 98 men
Sensors and
processing systems
BQQ-5 passive sonar, BQS-15 detecting and ranging sonar, WLR-8 fire control radar receiver, WLR-9 acoustic receiver for detection of active search sonar and acoustic homing torpedoes, BRD-7 radio direction finder
Armament4 × 21 in (533 mm) bow tubes, 10 Mk48 ADCAP torpedo reloads, Tomahawk land attack missile block 3 SLCM range 1,700 nautical miles (3,100 km), Harpoon anti–surface ship missile range 70 nautical miles (130 km), mine laying Mk67 mobile Mk60 captor mines

USS Pittsburgh (SSN-720) is a Los Angeles-class submarine and is the fourth ship of the United States Navy to be named for Pittsburgh, Pennsylvania.

  1. ^ "International Panel on Fissile Materials". fissilematerials.org. 10 April 2020. Retrieved 27 February 2022.
  2. ^ "Validation of the Use of Low Enriched Uranium as a Replacement for Highly Enriched Uranium in US Submarine Reactors" (PDF). dspace.mit.edu. June 2015. Retrieved 27 February 2022.