Airman 1st Class Jason Schwenn and Senior Airman Caleb Castillo, 64th Expeditionary Helicopter Maintenance Unit crew chiefs, walk through a row of HH-60G Pavehawk helicopters during a major dust storm here, Apr. 17. During extreme weather conditions, extra precautions are taken to protect aircraft from weather elements. Both Airmen are deployed from Moody Air Force Base, Ga.