U.S. Air Force 1st Lt. Kyle Senn, 555th Fighter Squadron pilot, pins a warning tag onto an F-16 Fighting Falcon during an Agile Combat Employment exercise at Amendola Air Base, Italy, Feb. 16, 2021. ACE exercises are designed to ensure U.S. Air Forces in Europe, along with allies and partners, are ready for potential short or no-notice contingencies. (U.S. Air Force photo by Senior Airman Ericka A. Woolever)