![National Air and Space Museum on Twitter: "Today in 1974, our Lockheed SR-71 Blackbird made a world speed record flight from London to Los Angeles in 3 hours, 47 minutes, and 39 National Air and Space Museum on Twitter: "Today in 1974, our Lockheed SR-71 Blackbird made a world speed record flight from London to Los Angeles in 3 hours, 47 minutes, and 39](https://pbs.twimg.com/media/E_Lnrf-WEAQsZau.jpg)
National Air and Space Museum on Twitter: "Today in 1974, our Lockheed SR-71 Blackbird made a world speed record flight from London to Los Angeles in 3 hours, 47 minutes, and 39
![Blackbird's Top Speed was Officially Mach 3.2 but the SR-71 was Much Faster Than That,” former Skunk Works Engineer Says - The Aviation Geek Club Blackbird's Top Speed was Officially Mach 3.2 but the SR-71 was Much Faster Than That,” former Skunk Works Engineer Says - The Aviation Geek Club](https://theaviationgeekclub.com/wp-content/uploads/2017/12/SR-71-divider.jpg)
Blackbird's Top Speed was Officially Mach 3.2 but the SR-71 was Much Faster Than That,” former Skunk Works Engineer Says - The Aviation Geek Club
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