1/500 U.S. Air Force McDonnell Douglas KC-10 Extender 2nd Air Refueling Squadron 305th Air Mobility Wing McGuire Air Base 84-0188Herpa is ending its series for the 50th birthday of the McDonnell Douglas DC 10 with a new shape. 40 years ago the tanker variant KC 10 Extender was handed over to the US Air Force for the first time, and 59 more copies followed by 1987. The three jet aircraft, which can also be used flexibly as a cargo or ambulance aircraft, can carry up to 160 tons of fuel in the air refueling role, almost twice as much as its predecessor, the KC 135, based on the