SGT William R. Button (T-AK 3012)

Serving as alternate flagship for Maritime Prepositioning Ship Squadron (MPSRON) 3, USNS SGT WILLIAM R. BUTTON is the fifth ship in the 2ND LT JOHN P. BOBO - class of Cargo Ships. The ship carries a full range of Marine Corps cargo, enough cargo to support a Marine Air Ground Task Force for 30 days. Additionally, the SGT WILLIAM R. BUTTON has lift-on/lift-off capabilities as well as roll-on/roll-off capabilities. Navy lighterage carried onboard consists of causeways, both powered and unpowered, and small boats to move them around.

The SGT WILLIAM R. BUTTON usually participates in at least one major Maritime Prepositioning Force exercise per year. Since 1985, the MV SGT WILLIAM R. BUTTON had been under long-term lease to Military Sealift Command from American Overseas Marine. On January 16, 2007, the Military Sealift Command purchased the ship, making her USNS SGT WILLIAM R. BUTTON.

Displacement : 19,588 t.(light), 40,846 t.(full).
Cargo Capacity : 162,500 sq. ft. vehicle, 1,605,000 gallons petroleum, 81,700 gallons water.
JP-5 Capacity: 1.43 Million Gals/34,101 BBLS.
MOGAS : 8,800 Gals.
Potable Water (storage capacity): 98,994 Gals/2,357 BBLS.
Crane Lifting Capacity: 1 single FWD 39 Tons, 1 twin center 39 Tons, EA 1 twin aft 39 tons each.
Stern Ramp: 60/39 Tons P/S.
Lighterage: 2 LCM-8, 1 SLWT, 4 CSP, 4 CSNP.
Bunker Capacity: 23,206 BBLS.
RO/RO Capacity: 152,185 SQFT.
Water Production (Daily): 25,000 Gals.
Armament: none.
Aircraft: helicopter platform only.
Complement: Civilian Mariners, 7 officers, 30 crew, 25 civilian maintenance, 8 Navy.
Endurance: 11,107 NM.