USS Alexander (Saladin class)

The USS Alexander (NCC-511) was a Saladin-class Federation starship in service in the 23rd century. (ST reference book: Star Fleet Technical Manual).

In 2259, the Alexander was engaged in combat with the Klingons, when her commanding officer was killed. Fortunately, Lt. Commander James T. Kirk, the Alexander 's 's first officer, assumed command and defeated the Klingons. (TOS novel: Crossroad).