Airman 1st Class Jason Schwenn and Senior Airman Caleb Castillo, 64th Expeditionary Helicopter Maintenance Unit crew chiefs, place a tarp over an HH-60G Pavehawk helicopter during a major dust storm here, April 17. The tarps help prevent small dust particles from damaging or corroding components of the aircraft. Both Airmen are deployed from Moody Air Force Base, Ga.