Launch procedure checklist
Capt. Robert Shannon, 341st Operations Support Squadron missile combat crew commander, and Capt. Brooke Lake, 341st OSS missile combat crew commander instructor, go through a launch procedure checklist during simulation training at Malmstrom Air Force Base, Mont., Feb. 6, 2014. The 341st OSS trains missile crews, missile alert facility managers and chefs to ensure they are proficient and combat ready. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder/RELEASED)