Members of the 341st Security Forces Group and the 40th Helicopter Squadron practice a launch facility recapture during Exercise Global Thunder 19, Oct. 30, 2018, at Malmstrom Air Force Base, Mont. Global Thunder is an exercise to test readiness and ensure a safe, secure, ready and reliable strategic deterrent force. The exercise provides training opportunities that assess all U.S. Strategic Command mission areas and joint and field training operational readiness, with a specific focus on nuclear readiness as well as providing unique training for assigned units and allies. (U.S. Air Force photo by Beau Wade)