USNS Big Horn (T-AO-198) - IMO 8812162

Name:	USNS Big Horn
Namesake:	The Bighorn River in Wyoming and Montana
Ordered:	20 June 1988
Builder:	Avondale Shipyard, Inc., New Orleans, Louisiana
Laid down:	9 October 1989
Launched:	2 February 1991
In service:	21 May 1992-present
Identification:	IMO number: 8812162 MMSI number: 368889000 Callsign: NBIG
Status:	In active Military Sealift Command service
Badge:
General characteristics
Class and 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 (29,000 m3) of fuel oil and jet fuel 7,400 square feet 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: usually 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