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. Global Thunder is a globally integrated exercise that 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. USSTRATCOM has global responsibilities assigned through the Unified Command Plan that includes strategic deterrence, nuclear operations, space operations, joint electromagnetic spectrum operations, global strike, missile defense, and analysis and targeting. (U.S. Air Force photo by Beau Wade)