Tag Archives: Antonio-class

Start of Fabrication

The start of fabrication of the future USS Pittsburgh (LPD-31) began at Huntington Ingalls Industries (HII), Ingalls Shipbuilding division, September 7.

USS Pittsburgh (LPD-31)
Start of Fabrication Begins for Future USS Pittsburgh (LPD-31)

This milestone signifies the first 100 tons of steel for the ship having been cut.

USS Pittsburgh (LPD-31) will be the 15th San Antonio-class amphibious transport dock ship and the second ship built in the LPD Flight II configuration. Continuity of LPD Flight II production configuration is intended to fulfill Navy and Marine Corps requirements to lift troops, aircraft, landing craft, vehicles, and cargo.

«We are proud to have the future USS Pittsburgh under construction, the fifth ship to bear the name», said Captain Cedric McNeal, program manager, Amphibious Warfare Program Office, Program Executive Office (PEO) Ships. «With this ship, we will continue to honor the legacy of the great city of Pittsburgh and the state of Pennsylvania».

The first USS Pittsburgh was an ironclad gunboat that served during the American Civil War, and the second USS Pittsburgh (CA-4) was an armored cruiser that served during WWI. The third USS Pittsburgh (CA-72) was a Baltimore-class cruiser that served during WWII, supporting the landing at Iwo Jima. The fourth USS Pittsburgh (SSN-720) was a Los Angeles-class submarine that served the Navy from December 1984 to August 2019.

At a 2021 reception celebrating LPD-31, Pittsburgh city officials also designated November 15 as Navy Day. Rear Admiral Thomas J. Anderson, Program Executive Office Ships was in attendance and recognized Pittsburgh as, «A tough, hard-working and patriotic town with a legacy of resilience and selfless sacrifice».

As one of the Defense Department’s largest acquisition organizations, PEO Ships is responsible for executing the development and procurement of all destroyers, amphibious ships, sealift ships, support ships, boats and craft.


Ship Facts and Characteristics

Propulsion Four sequentially turbocharged marine Colt-Pielstick Diesels, two shafts, 41,600 shaft horsepower/31,021 kW
Length 684 feet/208.5 m
Beam 105 feet/32 m
Displacement Approximately 24,900 long tons/25,300 metric tons full load
Draft 23 feet/7 m
Speed In excess of 22 knots/24.2 mph/38.7 km/h
Crew Ship’s Company: 380 Sailors (29 officers, 351 enlisted) and 3 Marines. Embarked Landing Force: 699 (66 officers, 633 enlisted); surge capacity to 800
Armament Two Mk-46 30-mm close in Guns, fore and aft; two Rolling Airframe Missile (RAM) launchers, fore and aft: ten .50 caliber/12.7-mm machine guns
Aircraft Launch or land two CH-53E Super Stallion helicopters or two MV-22 Osprey tilt rotor aircraft or up to four AH-1 Cobra or UH-1Y Venom helicopters
Landing/Attack Craft Two Landing Craft Air Cushions (LCACs) or one Landing Craft Utility (LCU); and 14 Amphibious Assault Vehicles


San Antonio-class


Flight I

Ship Builder Launched Commissioned Homeport
USS San Antonio (LPD-17) Avondale 07-12-2003 01-14-2006 Norfolk, Virginia
USS New Orleans (LPD-18) Avondale 12-11-2004 03-10-2007 San Diego, California
USS Mesa Verde (LPD-19) Ingalls 11-19-2004 12-15-2007 Norfolk, Virginia
USS Green Bay (LPD-20) Avondale 08-11-2006 01-24-2009 San Diego, California
USS New York (LPD-21) Avondale 12-19-2007 11-07-2009 Norfolk, Virginia
USS San Diego (LPD-22) Ingalls 05-07-2010 05-19-2012 San Diego, California
USS Anchorage (LPD-23) Avondale 02-12-2011 05-04-2013 San Diego, California
USS Arlington (LPD-24) Ingalls 11-23-2010 02-08-2013 Norfolk, Virginia
USS Somerset (LPD-25) Avondale 04-14-2012 05-01-2014 San Diego, California
USS John P. Murtha (LPD-26) Ingalls 11-02-2014 10-08-2016 San Diego, California
USS Portland (LPD-27) Ingalls 02-13-2016 12-14-2017 San Diego, California
USS Fort Lauderdale (LPD-28) Ingalls 03-28-2020 07-30-2022 Norfolk, Virginia
USS Richard M. McCool (LPD-29) Ingalls 01-05-2022


Flight II

Ship Builder Launched Commissioned Homeport
USS Harrisburg (LPD-30) Ingalls
USS Pittsburgh (LPD-31) Ingalls