Tech. Sgt. Scott Greenwalt ties chase ropes to clamps May 7 at Balad Air Base, Iraq. The ropes are clamped onto the canopy while being raised to prevent the wind from damaging it. Sergeant Greeenwalt is a 332nd Expeditionary Civil Engineer Squadron structural engineer deployed from Ellsworth Air Force Base, S.D. (U.S. Air Force photo/Senior Airman Julianne Showalter)