This Day in Aviation History
May 1st, 1965
A YF-12A (Lockheed SR-71 Blackbird) establishes a new world speed record of 3331 km/h (2070 MPH).
Wikipedia: http://en.wikipedia.org/wiki/Lockheed_YF-12
#aviationhistory #aviation #lockheed #speed #record #sr71blackbird
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