Air Force Chief of Staff Gen. Mark A. Welsh III, and Chief Master Sergeant of the Air Force James Cody, visit Ellsworth aircrews during an aviator call at Ellsworth Air Force Base, S.D., Nov. 27, 2013. During their visit, Welsh and Cody toured one of the base’s B-1 bombers to learn more about the upgrades and increased lethality of the bomber. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)