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Why did the Sacred Cow have an elevator for Franklin D. Roosevelt?
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Air Force One
Air Force One, a Boeing 747 reserved for use by the president of the United States, flying over Mount Rushmore, South Dakota.
The Sacred Cow, a specially modified Douglas C-54 Skymaster, was equipped with an elevator specifically to assist Franklin D. Roosevelt in boarding and exiting the aircraft. Because the president was wheelchair-bound due to the effects of poliomyelitis, the elevator provided a necessary mechanism for raising and lowering him between the ground and the plane's cabin.1