U.S. Marine Corps Gunnery Sgt. Matthew Gagnon, former company gunnery sergeant for Alpha Company, Headquarters and Support Battalion, stands at attention as the Marine Corps Hymn plays during his retirement ceremony at the Staff Noncommissioned Officers Club on Camp Lejeune, N.C., May 1, 2015. Gagnon retired after 20 years of honorable and faithful service. (U.S. Marine Corps photo by Lance Cpl. Judith L. Harter, MCIEAST-MCB CAMLEJ Combat Camera/Released)