PETERSON AIR FORCE BASE, Colo. -- Col. Karen Steiner, commander of the 302nd Aeromedical Staging Squadron, serves lunch to Staff Sgt. Richard Treatch, a production controller assigned to the 302nd Maintenance Group, at the Aragon Dining Hall, Peterson AFB, Dec. 3, 2017. Several Reserve wing leaders participated in the annual tradition of serving a holiday lunch to the wing's Reserve Citizen Airmen Sunday of the December Unit Training Assembly. (U.S. Air Force photo/Staff Sgt. Justin Norton)