A nuclear advanced designated marksman from the 341st Security Support Squadron Tactical Response Force assists in a launch facility recapture exercise from a distance in support of Global Thunder 19, Oct. 30, 2018, at Malmstrom Air Force Base, Mont. The Global Thunder exercise provides training opportunities that assess all U.S. Strategic Command (USSTRATCOM) mission areas and joint and field training operational readiness, with a specific focus on nuclear readiness. It globally integrates USSTRATCOM headquarters staff, components and subordinate units, and allied personnel from a variety of nations to test readiness and ensure a safe, secure, ready and reliable strategic deterrent force. (U.S. Air Force photo by Beau Wade)