The San Antonia class amphibious transport dock USS John P. Murtha, LPD-26, departing San Diego. The late John Murtha was a US Congressman from Pennsylvania. All previous ships of this class are named after U.S. cities.
Builder: Ingalls Shipbuilding
Laid down: 6 February 2012
Launched: 30 October 2014
Sponsored by: Donna S. Murtha
Christened: 21 March 2015
Acquired: 13 May 2016
Commissioned: 8 October 2016

General characteristics
Class and type: San Antonio-class amphibious transport dock
Displacement: 25,000 tons full
Length:
684 ft 1 in (208.5 m) overall,
660 ft 9 in (201.4 m) waterline
Beam:
104 ft 8 in (31.9 m) extreme,
96 ft 9 in (29.5 m) waterline
Draft: 23 ft 0 in (7 m)
Propulsion: Four Colt-Pielstick diesel engines, two shafts, 40,000 hp (30,000 kW)
Speed: 22 knots (41 km/h; 25 mph)
Boats & landing craft carried:
Two LCACs (air cushion)
or one LCU (conventional)
Capacity: 699 (66 officers, 633 enlisted); surge to 800 total.
Complement: 32 officers, 364 enlisted
Armament:
2 x 30 mm Bushmaster II cannons, for surface threat defense;
2 x Rolling Airframe Missile launchers for air defense
Aircraft carried: 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, H-60, or UH-1 helicopters.