Original: The McDonnell Douglas DC-10 is a three-engine medium - to long-range widebody airliner, with two engines mounted on underwing pylons and a third engine at the base of the vertical stabilizer.
Simplified: The McDonnell Douglas DC-10 is an American three-engine medium - to long-range widebody airliner, with two engines mounted on underwing pylons and a third engine at the base of the vertical stabilizer.