| ||For other characters who appear in the Fallout universe named Thomas, see Thomas.|
Thomas was a fire lieutenant in Charleston before the Great War and joined the Fire Breathers in its aftermath. They led a mission to Brim Quarry on March 10, 2095, where their squad suffered casualties when they encountered mole miners. Prior to the final assault, they wrote an action report which can still be found at Brim Quarry in 2102.
Lieutenant Thomas is mentioned only in Fallout 76.