Airman 1st Class Kristopher Esparza, 28th Logistics Readiness Squadron aircraft parts store technician, stores a box at the aircraft parts store after receiving parts at Ellsworth Air Force Base, S.D., May 9, 2012. The aircraft parts store maintains stocks of spare parts for B-1 bombers, and for maintenance needs both at home station needs and to aircraft deployed to Southwest Asia. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)