.Can anyone tell me the ACTUAL top speed (not OFFICIAL) for the Lockheed SR-71 blackbird ?
I have only heard the official top speed no one has ever (that i know of ) give the Actual top speed. i know they go into the statosphere, and drip hydrogen. almost outerspace

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I say it was the SR-71 Blackbird. Mach 3.2+, 80,000 feet ceiling… and that was the early ’60s!
I realize now that it can be extremely difficult to name ONE plane as the “most advanced for its time.” So, what were some of the most advanced aircraft for their time?

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My dad was telling me around 20 years, I know there’s not a certain number. I’d believe it too, I mean the invented the SR-71 Blackbird invented in the 60′s, and it looks like it could be used today by th military

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Does anyone work for the us government that can say what aircraft replaced the sr-71 blackbird

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I’m doing a research project about SR 71 blackbird. Can you describe my question in a paragraph form
?

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