In the 2250s, this uniform style was being used concurrently with another uniform design at least since 2254 aboard the USS Enterprise. (TOS: "The Cage" ) This version of the Starfleet uniform was in use on the USS Shenzhou, USS Europa, USS Discovery, and USS Glenn. (DIS: "The Vulcan Hello", "Battle at the Binary Stars", "Context Is for Kings") It and the Starfleet uniform design being used concurrently were phased out and discontinued by 2265, due to a new design being introduced. (TOS: "The Corbomite Maneuver" )