SS Antares (T-AKR 294) 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).

[6] In 1994, she was activated to carry supplies to Guantanamo Bay, Cuba where Haitian and Cuban refugees were given safe haven by US forces.

[6] She was activated in February 1999, and carried U.S. Army cargo to Rijeka, Croatia in support of the NATO peacekeeping mission Operation Joint Guard.

[6][7] The vessel was kept in ROS-5 activation status, ensuring readiness to sail in 120 hours following her transfer to the United States Maritime Administration.

Together with sistership SS Denebola (T-AKR-289), Antares resided in Baltimore harbor until July of 2024 when she relocated to the United States Maritime Administration Beaumont Reserve Fleet.