SS Altair is an Algol class vehicle cargo ship that is currently maintained by the United States Maritime Administration as part of the Military Sealift Command's Ready Reserve Force (RRF). She was built as a high speed container ship by Rheinstahl Nordseewerke in Emden, West Germany, hull no. 431, for Sea-Land Service, Inc. and named SS Sea-Land Finance, USCG ON 550722, IMO 7315571. Due to her high operating cost, she was sold to the United States Navy on 5 January 1982 as USNS Altair (T-AK-291).
USNS Altair (T-AKR-291) loading ground support equipment onto a floating causeway during Exercise Gallant Eagle 86.