Twin brothers Jonathan (left) and Gabriel Green raise their right hands before Capt. Michelle Rogers, 512th Maintenance Group, Nov. 25, 2014, and recite the oath of enlistment to become C-17 Globemaster III crew chiefs for the 712th Aircraft Maintenance Squadron, Dover Air Force Base, Del. The two enlistees are the sons of retired Chief Master Sgt. Gary Green, formerly assigned to the 512th Maintenance Group. (U.S. Air Force photo/Capt. Bernie Kale)