Airmen with the 23d Aircraft Maintenance Squadron place engine covers on an A-10C Thunderbolt II during the Brass Tumbler training event July 21, 2020, at Avon Park Air Force Range, Florida. The Brass Tumbler training event tested the 23d Aircraft Maintenance Squadron’s ability to provide multi-capable Airmen to conduct maintenance, test procedures and evaluate processes to highlight strengths and identify areas of improvement while utilizing 50% of the usual amount of manpower. (U.S. Air Force photo by Tech. Sgt. Eric Summers Jr.)