Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin E. Dempsey, standing, speaks during a dinner in honor of members of the U.S. Joint Chiefs of Staff concluding 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)