DEFIANT-CLASS USS Defiant NX-74205 Warship assigned to DS9 in 2371 as defense against the Dominion. Destroyed in 2375 bythe Breen at the Chin'toka system. "The Search" - DS9, "The Changing Face of Evil" - DS9 USS São Paulo NCC-75633 Starship assigned to DS9 to replace the USS Defiant. Took part in the final battle of theDominion War. "What You Leave Behind" - DS9 USS Valiant NCC-74210 Used as a training ship by Red Squad in 2374. On that mission the senior staff were killedand caught behind enemy lines. The Valiant was destroyed while trying to destroy a massiveDominion battleship. "Valiant" - DS9