KC-135 Stratotankers brave cold, heavy snows
A row of KC-135 Stratotankers sit on the flight line at Eielson Air Force Base, Alaska, Feb. 22, 2011. The Stratotanker is a refueler capable of carrying up to 200,000 pounds of transferable fuel.The KC-135's are assigned to the 168th Air Refueling Wing, Alaska Air National Guard. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)