https://www.zerohedge.com/military/nasa-wants-resurrect-sr-71-blackbird
An upgraded version would be more practical & efficient. However, a supersize AI Blackbird type drone is more versatile.
https://migflug.com/afterburner/the-lockheed-d-21-the-mach-3-drone-launched-from-an-sr-71s-back/
https://en.wikipedia.org/wiki/Lockheed_D-21
https://www.reddit.com/r/WeirdWings/comments/9o1dl8/d21_drone_version_of_a15sr71/
https://en.wikipedia.org/wiki/Lockheed_D-21#Operational_history Of course there was no AI version back then.
