Lockheed Martin unveils SR-72 as successor to SR-71 spy plane
https://www.airforce-technology.com/features/feature-lockheed-martin-unveils-sr-72-successor-sr-71-spy-plane/
WebNov 3, 2013 · Lockheed Martin unveils SR-72 as successor to SR-71 spy plane Almost 50 years since the SR-71 Blackbird's first flight, Lockheed Martin's Skunk Works has revealed plans for an affordable hypersonic intelligence, surveillance and reconnaissance (ISR) and strike platform which could be its successor. Grant November 3, 2013 Share this article
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