Airman 1st Class Adam Hongisto, 28th Logistics Readiness Squadron central storage technician, verifies the expiration date of a tire in the storage and issue facility at Ellsworth Air Force Base, S.D., April 25, 2012. Double-checking the expiration dates of tires improves safety for Ellsworth’s vehicle operators. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)