Col. Michael Frymire, 817th Contingency Response Group commander, passes the squadron flag to Lt. Col. Donovan Davis, as he assumes command of the 817th Global Mobility Squadron during the 817th GMS change of command ceremony at Joint Base McGuire-Dix-Lakehurst, N.J., April 17, 2015. (U.S. Air Force photo/Staff Sgt. Gustavo Gonzalez)