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 Feb. 1, 2011 at Fort Campbell, Ky. Airman Randolph is assigned to the 28th Contracting Squadron at Ellsworth Air Force Base, S.D., and Sergeant Dotts is assigned to the 87th Contracting Squadron at McGuire Air Force Base, N.J. These Airmen, and 21 other contracting Airmen, participated in Operation Joint Dawn 2011, a U.S. Army Expeditionary Contracting Command pre-deployment exercise. (U.S. Army photo/Ed Worley)