Staff Sgts. Adam Borton (left) and Ryan Wooley, 28th Aircraft Maintenance Squadron weapons load crew members, secure an inert guided bomb unit in a mock B-1 bomber simulator during training at Ellsworth Air Force Base, S.D., Aug. 13, 2013. In addition to initial training, all weapons loaders are evaluated monthly to ensure that they maintain qualification and proficiency in the handling and transportation of munitions. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)