911th Maintenance Group Deputy Commander Lt. Col. William Chapman, left, presents Senior Master Sgt. John A. Szydel with a meritorious service medal citation during a retirement ceremony at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Oct. 5, 2019. Szydel, who had served in support of several operations like Operation Enduring Freedom and Operation Inherent Resolve, retired after 35 years of service. (U.S. Air Force photo by Tech. Sgt. Marjorie A. Schurr)