NASA has always been into atmospheric research and vehicle design. Pulling out a SR-71 is going to be faster and cheaper than building a new thing and they have a history of using hand-me-downs. I’m glad they are doing stuff, though this administration is probably focused more on “coolness” and bribes for profits. Getting the Blackbird is cool and the secrecy could be actual national security or free research for a buddy. I’d love to see more long lead space projects, deep space probes, inner planet landings, and outer planet orbiters.