A KC-135 Stratotanker deployed from the 185th Air Refueling Wing, Sioux City, Iowa, provides aerial refueling for a Royal Danish Air Force F-16AM during an air refueling mission April 8, 2011, in the Western Europe area of operations for Operation Unified Protector. The KC-135 is deployed with the 313th Air Expeditonary Wing at a non-disclosed base in Western Europe. Operation Unified Protector is a NATO-led mission in Libya to protect civilian and civilian-populated areas under threat of attack. The 313th AEW provides aerial refueling to U.S. and coalition aircraft with KC-135 Stratotankers and KC-10 Extenders. (U.S. Air Force Photo/Tech. Sgt. Scott Wilcox)