Senior Airman Irvin Vazquez-Casanova, 28th Aircraft Maintenance Squadron combat oriented supply organization technician, checks a part tag to ensure accountability at Ellsworth Air Force Base, S.D., Oct. 25, 2012. The hundreds of items stored in the 28th AMXS COSO shop must be labeled properly to be easily tracked and found. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)