T'Mandra was a female Vulcan Starfleet crewman in the 2370s. She transferred aboard the USS da Vinci at its relaunch in August of 2376, following the tragedy at Galvan VI. (SCE eBook: Spin) Her term of enlistment ended in early 2377, and she opted not to re-enlist. She was replaced aboard the da Vinci by Crewman Leslie Banks. (CoE eBook: Turn the Page)