170413-N-VN584-036 PACIFIC OCEAN (April 13, 2017) Sgt. Gregory Pressley assigned to the Checkerboards of Marine Fighter Attack Squadron (VMFA) 312 conducts a routine maintenance check on an F/A 18C Hornet on the flight deck of the USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is underway conducting a tailored ship’s training availability off the coast of Southern California. (U.S. Navy photo by Mass Communication Specialist Seaman Alex Corona/Released)