Defense Secretary Ash Carter; Marine Corps Gen. Joe Dunford, third from left, chairman of the Joint Chiefs of Staff; Army Gen. Raymond A. "Tony" Thomas, fourth from left, the new commander of U.S. Special Operations Command; and Army Gen. Joseph L. Votel, second fro left, the outgoing commander, attend a briefing before the Socom change-of-command ceremony at MacDill Air Force Base, Fla., March 30, 2016. DoD photo by Army Sgt. 1st Class Clydell Kinchen