U.S. Air Force Airmen from the 52nd Fighter Wing check munitions for rust or other discrepancies on the flightline at Spangdahlem Air Base, Germany, Dec. 17, 2019. The Airmen conducted an Agile Combat Employment exercise, which is a timely, proactive operation to increase survivability while generating airpower. The event challenged personnel to support operations in a simulated adverse environment with minimal people, resources, and time. (U.S. Air Force photo by Airman 1st Class Valerie Seelye)