170509-N-TU932-007 BREMERTON, Wash. (May 9, 2017) Aviation Ordnanceman Airman Brandon Ellington operates a programmable logic control panel to move weapons elevators aboard the aircraft carrier USS John C. Stennis' (CVN 74) . The ship is conducting a planned incremental availability at Puget Sound Naval Shipyard and Intermediate Maintenance Facility, during which the ship is undergoing scheduled maintenance and upgrades. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sierra D. Langdon Released)