U.S. Air Force Tech. Sgt. Ronelson Perdomo, 31st Aircraft Maintenance Squadron, 555th Aircraft Maintenance Unit, noncommissioned officer in charge, stamps an F-16 Fighting Falcon form at Aviano Air Base, Italy, Feb. 1, 2021. The 31st AMXS supports the 31st Fighter Wing, U.S. Air Forces in Europe and NATO contingency and combat aircraft maintenance requirements. (U.S. Air Force photo by Senior Airman Ericka A. Woolever)