U.S. Airmen from the 961st Airborne Air Control Squadron monitor indication friend or foe systems aboard an E-3 Sentry during Exercise WestPac Rumrunner Oct. 16, 2020, out of Kadena Air Base, Japan. The 961st AACS was a critical piece of the exercise, which focused on defensive counter air capabilities and joint interoperability using agile combat employment concepts. ACE is the cornerstone of the wing’s operating concept. It enables forces to operate from locations with varying levels of capacity & support, ensuring multi-functional Airmen are postured in a position of advantage to generate combat power. (U.S. Air Force photo by Staff Sgt. Peter Reft)