Members of the 185th Air Refueling Wing (ARW), Sioux City, Iowa, apply a layer of plastic over a three-foot high bank of sand pushed up to ensure record high flood waters would not breach the 80 year old levee protecting 50,000 acres of farmland north of Burlington, Iowa. Official Air Force Photo by: MSgt. Bill Wiseman Photo Released by: Capt. Kevin Heinenman 185 ARW/PAO