Staff Sgt. Ronald Studer, 28th Maintenance Group quality assurance specialist, reviews steps from a technical order with B-1 crew chiefs during an Operational Readiness Exercise at Ellsworth Air Force Base, S.D., March 20, 2013. OREs are used to gauge operational readiness to deploy and to ensure all Airmen and equipment, prepared for real-world emergencies. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)
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