The B-52 shot down Vietnamese fighter jets in historic dogfights. Here's how the US Air Force plans to keep its oldest bomber in the skies for over a century.

Tech Insider
A B-52D Stratofortress bomber aircraft drop ammunitions from the sky to support ground combat operations in Vietnam.
A B-52D Stratofortress bomber aircraft drop ammunitions from the sky to support ground combat operations in Vietnam.

Pictures from History/Universal Images Group via Getty Images

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