Here it is: https://www.simpleplanes.com/a/7ZkgKw/Lockheed-SR-71-Blackbird-Fixed
I thought that the SR-71 Blackbird that thealban made was a bit broken, so I fixed it!
I added better retractable landing gear, It can move and accelerate faster than the original, and it has larger exhaust to fit the size of the engines. I hope it is more like the real SR-71 Blackbird.