Senior Airman Stefen Ivanovic, 28th Aircraft Maintenance Squadron weapons load crew member, drives a jammer with a Mark-82 training bomb to a waiting munitions trailer on the flightline during an operational readiness exercise at Ellsworth Air Force Base, S.D., March 20, 2013. The ORE, conducted March 19 and 20, tested the ability of Ellsworth Airmen to respond to a deployment tasking and put B-1 bombers in the air. (U.S. Air Force photo by Airman 1st Class Ashley J. Thum/Released)