Aeronautical Systems Center at Wright-Patterson AFB, Ohio, plans to issue the final KC-X tanker program request for proposals not earlier than Feb. 23, 2010, according to a Feb. 8, 2010, federal business opportunities notice. Here, four KC-135 tankers, assigned to the Iowa Air National Guard's 185th Air Refueling Wing at Sioux Gateway Airport in Sioux City, Iowa, taxi down the airport runway, Sept. 3, 2009.
Air Force photo by MSgt. Vincent De Groot
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