Bundled crew chiefs from the Iowa Air National Guard’s 185th Air Refueling Wing based in Sioux City, Iowa install a drogue basket on an icy boom assembly of a U.S. Air Force KC-135 Stratotanker in Sioux City, Iowa on February 21, 2018. The KC-135 is being configured with the drogue basket in preparation to perform inflight refueling with U.S. Navy F-18 Hornet, fighter aircraft. U.S. Air National Guard photo by Master Sgt. Vincent De Groot