Assuming command
Col. Martin A. Chapin receives command of the 621st Contingency Response Wing from Maj. Gen. William J. Bender, commander, U.S. Air Force Expeditionary Center, in a ceremony at the 621st Contingency Response Wing’s Global Reach Deployment Center June 28, 2012, at Joint Base McGuire-Dix-Lakehurst, N.J. Chapin took command from Col. Chris B. Patterson, who will be moving to the USAFEC. (U.S. Air Force photo/Tech. Sgt. Parker Gyokeres)