The USS Valiant (NCC-74210) was a Defiant Class ship in the late 24th century. It was on a training cruise when the Dominion War started. Most of the crew was killed and the only survivors were a group a cadets belonging to Red Squad. The Valiant was on a mission to gather information on a Dominion Battleship that was a threat to everything in a 50 Light Year Radius. It was destroyed trying to destroy the Dominion Battleship. Only 3 people made it out alive.