170608-N-YL257-028 MEDITERRANEAN SEA (June 8, 2017) Capt. Gavin Duff, former executive officer of the aircraft carrier USS George H.W. Bush (CVN 77), passes through sideboys as he departs the ship. George H.W. Bush and it's carrier strike group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class Christopher Gaines/Released)