Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin E. Dempsey, right foreground, talks with Commandant of the U.S. Marine Corps Gen. James F. Amos during a Defense Chiefs Strategic Dialog with the U.S. Joint Chiefs of Staff and their U.K. counterparts in London June 10, 2014. (DOD photo by Mass Communication Specialist 1st Class Daniel Hinton, U.S. Navy/Released)