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10 Cool Things You May Not Know About The Museum’s Lockheed SR-71 Blackbird

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1.  Continuous, Supersonic Afterburner. Ever wonder what causes the diamond pattern in the SR-71 jet engine exhaust?  It’s due to the extra thrust provided by the afterburner which is actually supersonic, creating successive shock waves that show up as the diamond pattern.  The SR-71 engines fly continuously in afterburner, except when refueling.   2. It   …Continue Reading