Starfleet Records. UFP starships. USS Defiant: The Klingon Empire then attacked our star station called DS9. The station's attack and defense technology was increased by Starfleet Command after Dominion's first attack on the Federation, reports from Starfleet Intelligence, and the Klingon Empire's withdrawal from the Khitomer Accords due to the decision of the Federation. Note: Starfleet officers are trained in hand-to-hand combat of different techniques including the Klingon fighting style. DS9