T'Lana

Lieutenant Commander T'Lana is a Vulcan Starfleet Officer and the Chief Medical Officer of the Vesta-class Federation Starfleet vessel, the USS Pureshasu (NCC-86521) during the early 25th century. T'Lana was actually a Vulcan from the mid-23rd century during which time the Federation and Klingon Empire were at war, and through the events of a Temporal Anomaly her ship and it's survivors appeared in the late 24th century.