Structures building structures
BALAD AIR BASE, Iraq -- Staff Sgt. Karl Ferree and Senior Airman James Robison, 332nd Expeditionary Civil Engineer Squadron structural engineers, position lead ropes on a big top shelter with a bucket truck here, May 7. The shelter can house various aircraft and equipment. Sergeant Ferree is deployed from Luke Air Force Base, Ariz., and Airman Robison is deployed from Malmstrom Air Force Base, Mont. (U.S. Air Force photo/ Senior Airman Julianne Showalter)