Senior Airman Andrew Deckert and Staff Sgt. Kyle Haun, 28th Munitions Squadron conventional maintenance crew chiefs, explain the characteristics of a cluster bomb unit and a laser Joint Direct Attack Munitions to Frank Beatty, spouse of Secretary of the Air Force Deborah Lee James, as part of a B-1 bomber static display at Ellsworth Air Force Base, S.D., July 20, 2015. During his visit to Ellsworth, Beatty visited the Youth Center, Higher Grounds, and B-One Yard thrift store in an effort to learn more about the quality of life initiatives for both Airmen and their families. (U.S. Air Force photo by Airman Sadie Colbert/Released)