Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin E. Dempsey, right, talks with Chief of the Defense Staff British army Gen. Sir Nicholas Houghton after a dinner in honor of the U.S. Joint Chiefs of Staff concluding a defense chiefs strategic dialogue with the U.S. Joint Chiefs of Staff and their British counterparts June 10, 2014, in London. (DoD photo by Mass Communication Specialist 1st Class Daniel Hinton, U.S. Navy/Released)