150308-N-TP834-310 ARABIAN GULF (March 8, 2015) Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey, right, shakes hands with French Chief of Defense Staff Gen. Pierre De Villiers during a gift exchange aboard the French navy aircraft carrier Charles de Gaulle (R 91). Charles de Gaulle is operating with the Carl Vinson Carrier Strike Group in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class John Philip Wagner, Jr./Released)