From left, the guided missile destroyer USS Truxtun (DDG 103), the guided missile cruiser USS Philippine Sea (CG 58), the aircraft carrier USS George H.W. Bush (CVN 77) and the guided missile cruiser USS Leyte Gulf (CG 55) steam in formation during a strait transit exercise in the Atlantic Ocean Dec. 10, 2013. The ships were part of the George H.W. Bush Carrier Strike Group and were participating in a composite training unit exercise in preparation for a scheduled deployment.