Boeing B-52D "Stratofortress" at the South Dakota Air & Space Museum

The B-52 is the longest serving aircraft in the U.S. Air Force. The prototype flew in 1952, the aircraft has transitioned through 8 different models. The final model, the H-model, has turbofan engines and a shorter tail. The D-model on display carries the conventional bomb load used in Vietnam. Max Speed: 636 mph. Max Range: 6,326 miles. Ceiling: 46,000 ft.

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