B-1B Lancer Strategic Bomber at the South Dakota Air & Space Museum

The B-1B is a four-engine, variable sweep wing, supersonic bomber used by the U.S. Air Force. Designed by Rockwell International (now part of Boeing), the first production B-1B was rolled out on September 4, 1984. Max Speed: Mach 1.25 at high altitude. Max Range: 6,478 miles at low altitude. Ceiling: 60,000 ft.

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