USS Alexander (NCC-511) was a Saladin-class destroyer on active duty in Starfleet during at least the 23rd century. (Star Fleet Technical Manual) Alexander was assigned to the 23 Light Armored Combat Group (M) in 2243 as the Hapspear Conflict began to grow. Assigned as unit 109, she served with distinction throughout the war and even participated in the Battle of Donatu V with the remaining members of "Wolf Pack" 23 which included the destroyer Tamerlane. (Tamerlane: "The Champion") In 2259, James T. Kirk was executive officer of the Alexander. (TOS novel: Crossroad)