This is the Lockheed SR-71 Blackbird. This plane sits in the Smithsonian Museum today, but it was capable of "acknowledged" speed of 3.2 times the speed of sound when it was formally retired in 1990.
10/1/2020: Finished year 7 (!), with continuing gratitude towards this amazing community. Based in St. Louis, MO. Regular worker-bee and self-taught photography dilettante....