Airman 1st Class Benjamin Looper, 28th Munitions Squadron mission systems technician, secures strakes onto a Mark-84 inert bomb during training in the conventional maintenance shop at Ellsworth Air Force Base, S.D., Nov. 7, 2012. The squadron is responsible for 1,707 munitions line items worth $128 million, 577,000 pounds net explosive weight, 86 facilities and a 647-acre munitions storage area. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)