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USNS Joshua Humphreys (T-AO-188)
USNS Joshua Humphreys (T-AO-188) underway in reverse during sea trials, February 1987
Career (USA)
Name: Joshua Humphreys
Namesake: Joshua Humphreys (1751-1838), American shipbuilder
Awarded: 20 January 1983
Builder: Avondale Shipyard
Laid down: 17 December 1984
Launched: 22 February 1986
In service: 3 April 1987-29 June 1996 and 23 February 2005-1 October 2006
Out of service: 29 June 1996-23 February 2005 and 1 October 2006
Status: in active service, as of 2022
General characteristics
Class & type: Henry J. Kaiser-class fleet replenishment oiler
Type: Fleet replenishment oiler
Tonnage: 31,200 deadweight tons
Displacement: 9,500 tons light
Full load variously reported as 42,382 tons and 40,700 long tons (41,353 metric tons)
Length: 677 ft (206 m)
Beam: 97 ft 5 in (29.69 m)
Draft: 35 ft (11 m) maximum
Installed power: 16,000 hp (11.9 MW) per shaft
34,442 hp (25.7 MW) total sustained
Propulsion: Two medium-speed Colt-Pielstick PC4-2/2 10V-570 diesel engines, two shafts, controllable-pitch propellers
Speed: 20 knots (37 km/h; 23 mph)
Capacity: 178,000 to 180,000 barrels (28,300 to 28,600 m3) of fuel oil and jet fuel
7,400 sq ft (690 m2) dry cargo space; eight 20-foot (6.1 m) refrigerated containers with room for 128 pallets
Complement: 103 (18 civilian officers, 1 U.S. Navy officer, 64 merchant seamen, 20 U.S. Navy enlisted personnel)
Armament: Peacetime: none
Wartime: probably 2 x 20 mm Phalanx CIWS
Aircraft carried: None
Aviation facilities: Helicopter landing platform
Notes: Five refueling stations
Two dry cargo transfer rigs

USNS Joshua Humphreys (T-AO-188) is a Henry J. Kaiser-class fleet replenishment oiler of the United States Navy. She was named for Joshua Humphreys, who designed the six original US Navy frigates.

Construction and delivery

Joshua Humphreys in reserve at the Naval Inactive Ship Maintenance Facility

Joshua Humphreys, the second ship of the Henry J. Kaiser class, was specially built for the Military Sealift Command (MSC). She was laid down at Avondale Shipyard, Inc., at New Orleans, Louisiana, on 17 December 1984 and launched on 22 February 1986. She entering non-commissioned U.S. Navy service with a primarily civilian crew on 3 April 1987.

Service history


Joshua Humphreys served in the United States Atlantic Fleet under MSC control until taken out of active service on 29 June 1996, the second ship of her class to be deactivated. She was subsequently berthed at the Naval Inactive Ship Maintenance Facility (NISMF) at the site of the former Philadelphia Navy Yard in Philadelphia, Pennsylvania, and placed in reserve.


Joshua Humphreys was reactivated on 23 February 2005. She was deactivated again on 1 October 2006, and again placed in reserve at the Philadelphia facility, where she is moored in the Delaware River.

2010 Reactivation

In March 2010 Atlantic Marine in Philadelphia was awarded a $12.8 million contract for the reactivation of the Joshua Humphreys.[1]

USNS Joshua Humphrey's conducting a replenishment at sea with Royal Navy Destroyer HMS Daring

Upon reactivation, she joined the US Fifth Fleet in support of counter-piracy and counter-terrorism operations in the Indian Ocean and Gulf area. As 11 November 2010 she was providing fuel to the Abraham Lincoln Carrier Group.[2]


  • This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain. The entry can be found here.

External links

Coordinates: 39°53′07″N 75°10′54″W / 39.88528°N 75.18167°W / 39.88528; -75.18167

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