180524-N-SO730-0155 NORFOLK (May 24, 2018) Machinist's Mate (Nuclear) 1st Class Chad Salyers, assigned to the aircraft carrier USS George H.W. Bush (CVN 77), runs to the finish line of the Murph Challenge fitness event in recognition of Memorial Day. The Murph Challenge honors Lt. Michael Murphy, a Navy SEAL who died in Afghanistan in 2005, and challenges service members to complete a one-mile run, 100 pull-ups, 200 push-ups, 300 squats and second one-mile run, all within an hour. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joe Boggio/Released)