The B-1 Lancer is the last of the variable sweep wing (swing wing) designs in the U.S. arsenal, which allows the wings to extend laterally for efficient low-speed flight with a wingspan of 137 feet and collapse toward the fuselage for better fuel economy at higher speeds and altitudes, extending operational range.
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Chris CappyEvidence Quote
“the Lancer is the last of the variable sweep Wing designs in the US Arsenal also known as a swing wing it allows for the wings to extend laterally for efficient low-speed flight and has a wingspan of 137 ft and collapse towards the fuselage for better fuel economy at higher speeds and altitudes”
Created: 8/13/2026, 9:56:02 AM
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