As part of the Golden Coyote training exercise, members of the Ellsworth Air Force Base 28th Medical Group create a bridge on a leadership reaction course obstacle at Camp Rapid, Rapid City, S.D., June 9. Golden Coyote tests the ability of engineering and support units to mobilize equipment, deploy to a battle zone, coordinate combat and service support missions and re-deploy back to home station. (U.S. Air Force photo/Senior Airman Marc I. Lane)