A Lord Of The Wings: America’s Largest Air Force Plane Turns 50 Last week, almost exactly 50 years after the C-5 Galaxy made its maiden voyage, Lockheed delivered the latest upgraded version, called the C-5M Super Galaxy, to the U.S. Air Force. Tags Air Force aviation C-5 Galaxy GE Aviation Military Read more about A Lord Of The Wings: America’s Largest Air Force Plane Turns 50