From left, Commandant of the U.S. Marine Corps Gen. James F. Amos; Chief of Naval Operations Navy Adm. Jonathan W. Greenert; Vice Chairman of the Joint Chiefs of Staff Navy Adm. James A. Winnefeld Jr.; Chairman of the Joint Chiefs of Staff Army Gen. Martin E. Dempsey; Chief of Staff of the Army Gen. Raymond T. Odierno; Chief of Staff of the Air Force Gen. Mark A. Welsh III; and Chief of the National Guard Bureau Army Gen. Frank J. Grass testify before the Senate Armed Services Committee on Department of Defense proposals relating to military compensation May 6, 2014, in Washington, D.C. (DoD photo by Staff Sgt. Sean K. Harp, U.S. Army/Released)