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San Antonio-class

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San Antonio-class Landing Platform Docks are large amphibious warfare vessels of the U.S. Navy. They are the secondary aviation platform for an Amphibious Ready Group, and the primary carriers for the large Landing Craft Air Cushion and Landing Craft Utility. Since the landing craft are slower and have a shorter range than helicopters and tilt-rotor transports, the LPD operates closer to shore than the primary aviation ship, the LHA or LHD.

Characteristics

  • Builder: Northrop Grumman Ships Systems, with Raytheon and Intergraph
  • Propulsion: Four sequentially turbocharged marine Colt-Pielstick Diesels, two shafts, 41,600 shaft horsepower.
  • Length: 684 feet (208.5 meters).
  • Beam: 105 feet (31.9 meters).
  • Displacement: Approximately 24,900 long tons (25,300 metric tons) full load.
  • Speed: In excess of 22 knots (24.2 mph, 38.7 kph).
  • Crew: Ship's Company: 360 Sailors (28 officers, 332 enlisted) and 3 Marines.
  • Embarked Landing Force: 699 (66 officers, 633 enlisted); surge capacity to 800.
  • Armament:
  • Aircraft: Launch or land two CH53E Super Stallion helicopters or two MV-22 Osprey tilt rotor aircraft or up to four CH-46 Sea Knight helicopters, AH-1 or UH-1 helicopters.
  • Landing/Attack Craft: Two LCACs or one LCU; and 14 Expeditionary Fighting Vehicles/Amphibious Assault Vehicles.

Ships in class

  • USS San Antonio (LPD 17), Norfolk, VA
  • USS New Orleans (LPD 18), San Diego, CA
  • USS Mesa Verde (LPD 19), Norfolk, VA
  • Green Bay (LPD 20), under construction San Diego, CA
  • New York (LPD 21), under construction
  • San Diego (LPD 22), under construction
  • Anchorage (LPD 23), under construction
  • Arlington (LPD 24), under construction
  • Somerset (LPD 25), under construction