A shadow box dedicated to 911th Aircraft Maintenance Squadron Specialist Flight Chief Senior Master Sgt. John A. Szydel waits to be presented during a retirement ceremony at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Oct. 5, 2019. Szydel formally retired in front of family, friends and fellow Airmen after 35 years of service. (U.S. Air Force photo by Tech. Sgt. Marjorie A. Schurr)