USS Antietam (CG-54) is a Ticonderoga-class guided missile cruiser of the United States Navy. Antietam was named for the site of the 1862 Battle of Antietam, Maryland, between Confederate forces under General Robert E. Lee and Union forces under Major General George McClellan, during the American Civil War. She was built by the Litton-Ingalls Shipbuilding Corporation at Pascagoula, Mississippi and commissioned on 6 June 1987. She is currently led by the Commanding Officer, Captain Robert P. Tortora, and the Executive Officer, Commander Patrick K. McNamara. USS Antietam earned the 2007 and 2008 Battle Efficiency awards, also known as the Battle E award, for the USS John C. Stennis Strike Group.