52nd Fighter Wing leadership greets Gen. Jeff Harrigian, second from left, U.S. Air Forces in Europe and Air Forces Africa commander, before the start of an Agile Combat Employment exercise at Spangdahlem Air Base, Germany, June 25, 2020. Engagement incorporating ACE concepts in less-than-optimal environments improves interoperability among forces and helps allies and partners increase their capabilities. (U.S. Air Force photo by Senior Airman Branden Rae)