Col. Karen Steiner, commander of the 911th Aeromedical Staging Squadron, serves a holiday meal to Airmen at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Dec. 1, 2018. This is Steiner’s first holiday meal since returning to the 911th Airlift Wing, where she first transferred to the Air Force Reserves in 2007. (U.S. Air Force Photo by Senior Airman Brandon Shuman)