Defenders from the 92nd Security Forces Squadron secure the flightline as several KC-135 Stratotankers prepare for launch during Exercise Global Thunder at Fairchild Air Force Base, Washington, 24 Oct., 2019. Global Thunder is a U.S. Strategic Command exercise designed to ensure an efficient mission response by testing Airmen’s ability to execute command, control and operational procedures during simulated combat scenarios. (U.S. Air Force photo by Senior Airman Ryan Lackey)