Douglas VC-54 Sacred CowDouglas VC 54 Sacred Cow airplane model. The Douglas VC 54C Skymaster is the first aircraft purpose built to fly the President of the United States. Carrying the staff transport VC designation, the aircraft was officially named The Flying White House. However, the aircraft became better known by its unofficial nickname, Sacred Cow, a reference to the high security surrounding the aircraft and its special status. After World War II, the C 54 continued