Defense Secretary Ash Carter walks with Navy Adm. John M. Richardson, left, and Army Gen. Mark A. Milley before a press briefing at the Pentagon, May 13, 2015. During the briefing, Carter announced the choices of Richardson as the next chief of naval operations and Milley as the next Army chief of staff. If confirmed by the Senate, Milley would succeed Army Gen. Ray Odierno and Richardson would succeed Navy Adm. Jonathan W. Greenert. Both Odierno and Greenert plan to retire. Defense Secretary Ash Carter walks with Navy Adm. John M. Richardson, left, and Army Gen. Mark A. Milley before a press briefing at the Pentagon, May 13, 2015. During the briefing, Carter announced the choices of Richardson as the next chief of naval operations and Milley as the next Army chief of staff. If confirmed by the Senate, Milley would succeed Army Gen. Ray Odierno and Richardson would succeed Navy Adm. Jonathan W. Greenert. Both Odierno and Greenert plan to retire. SHARE: Download: Full Size (0.79 MB) Tags: Photo Essays Credit: VIRIN: 607730-R-IWZ11-457.jpg Photo Gallery