Commandant of the U.S. Marine Corps Gen. James F. Amos, left, thanks a British marine for his performance June 10, 2014, during a dinner in honor of the U.S. Joint Chiefs of Staff after a defense chiefs strategic dialogue with the U.S. Joint Chiefs of Staff and their British counterparts in London. (DoD photo by Mass Communication Specialist 1st Class Daniel Hinton, U.S. Navy/Released)