USNS Sisler (T-AKR-311) is one of Military Sealift Command's nineteen Large, Medium-Speed Roll-on/Roll-off Ships and is part of the 33 ships in the Prepositioning Program. She is a Watson-class vehicle cargo ship named for First Lieutenant George K. Sisler, a Medal of Honor recipient.

Laid down on 15 April 1997 and launched on 28 February 1998, Sisler was put into service in the Pacific Ocean on 1 December 1998.^[1] She is operated by a civilian crew of 26, plus up to 50 active duty personnel.

•  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.

• Saunders, Stephen, ed. (2004). Jane's Fighting Ships 2004–2005. Coulsdon, UK: Jane's Information Group. ISBN 0-7106-2623-1.