170214-N-OV009-318 PACIFIC OCEAN (Feb. 14, 2017) Aviation Boatswain’s Mate (Fuels) 3rd Class Darryl Bickley takes samples from a JP-5 purifier as part of a Board of Inspection and Survey (INSURV) inspection aboard the aircraft carrier USS Nimitz (CVN 68). The ship is undergoing INSURV in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Colby S. Comery/Released)