YF12 and SR71
YOUR LINK HERE:
http://youtube.com/watch?v=q5Rg-IxOq_0
The Lockheed YF-12 was a U.S. prototype fighter/interceptor aircraft, which the U.S. Air Force evaluated as a development of the Skunk Works' highly-secret Lockheed A-12 that also spawned the Lockheed SR-71 Blackbird. • More space, military aviation videos at / okrajoe • Please visit our channel to subscribe. • .
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