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Senior Airman James Randolph and Staff Sgt. Marlow Dotts pull their safety belts tight as they prepare to roll over in the Mine Resistant Ambush Protected vehicle roll-over egress trainer. Randolph, assigned to the 28th Contracting Squadron, Ellsworth Air Force Base, S.D., and Dotts, 87th Contracting Squadron, McGuire Air Force Base, N.J., joined 21 other contracting airmen participated in Operation Joint Dawn 2011, a U.S. Army Expeditionary Contracting Command pre-deployment exercise held at Fort Campbell, Ky. (U.S. Army Photo by Ed Worley)