A B-1 bomber lands on the flightline during an Operational Readiness Exercise at Ellsworth Air Force Base, S.D., March 15, 2012. The ORE covered a wide range of B-1 operations designed to test the aircrew’s ability to deliver precision and non-precision air strikes against enemy forces, anywhere in the world. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)