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

North Korea's antique fighter jets are still keeping the US and South Korea on their toes

Tech Insider
North Korea air force fighter jet Kim Jong Un
Kim Jong Un in a Korean People's Army Air and Anti-Air Force aircraft in a photo released by state media in October 2014.

REUTERS/KCNA

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