The Lockheed C-5 Galaxy made its first appearance in March 1968, It has carried many nicknames through the years: Fat Albert, Big MAC, White Elephant, and FRED. It is operated by only one service, the U.S. Air Force. The Galaxy is a high-wing cargo aircraft built primarily of aluminum, of semi-monocoque construction. It can carry a cargo of over a quarter million pounds for five thousand miles unrefueled.