150924-N-AC887-003 WASHINGTON (Sept. 24, 2015) Secretary of the Navy (SECNAV) Ray Mabus, center, poses for a group photo with Gen. John M. Paxton, Jr., far left, Gen. Joseph Dunford, center left, Gen. Robert B. Neller, center right, and Sergeant Major Ronald L. Green, far right at Marine Corps Barracks Washington. (U.S. Navy photo by Chief Mass Communication Specialist Sam Shavers/Released)