U.S. Air Force Chief Master Sgt. William Medlin, 23d Maintenance Group superintendent, and his wife, Marie, pose for a photo with Col. Jeffrey Decker, former 23d Maintenance Group commander, during Medlin’s retirement ceremony, Jan. 29, 2016, at Moody Air Force Base, Ga. The Medlin’s both received certificates of appreciation for the sacrifices they’ve made throughout the Chief’s career. (U.S. Air Force photo by Airman 1st Class Janiqua P. Robinson/Released)