USNS Big Horn

USNS Big Horn is a of the United States Navy. Big Horn was laid down on 9 October 1989 and launched on 2 February 1991. The ship entered service with Military Sealift Command on 21 May 1992 as part of the United States Atlantic Fleet.

Construction and career

Big Horn, the twelfth ship of the Henry J. Kaiser class, was laid down at Avondale Shipyard, Inc., at New Orleans, Louisiana, on 9 October 1989 and launched on 2 February 1991. She entered non-commissioned U.S. Navy service under the control of the Military Sealift Command with a primarily civilian crew on 21 May 1992. She serves in the United States Atlantic Fleet.
This ship was one of several participating in disaster relief after the 2010 Haiti earthquake. Big Horn brought relief supplies to Haiti. During Operation Unified Response, Big Horn transferred 618 pallets of cargo and humanitarian assistance/disaster relief supplies and over of fuel. Big Horn got underway from Naval Station Norfolk the day after the earthquake struck, arrived on scene in Haiti on 17 January and worked until being relieved by on 11 February. In 2015, she refueled in the South Atlantic.
In September 2024, she ran aground off Oman while attached to 's strike group. The incident strained American logistics within the fleet amid rising tensions due to Israeli–Hezbollah conflict as she was the only oiler in the region. She was quickly brought into a local port, and no casualties or oil spills were reported; images showing minor flooding were released.