Because of revelations like this:
https://en.m.wikipedia.org/wiki/KH-9_Hexagon
Don't underestimate what's up there. It's provably ahead of the civilian world by a long ways.
[1] https://en.wikipedia.org/wiki/2012_National_Reconnaissance_O...
> the sensors/mirrors were well ahead of anything NASA, including the Hubble telescope.
Hubble was designed in the 70s and launched in the 90s. So what if the NRO can spend more money and get something slightly better, how is that surprising?
The NRO had crazy secret tech up its sleeves. It is a part of the U.S. government. It is far from the only such example.
https://en.wikipedia.org/wiki/KH-11_KENNEN#/media/File:Janes...
The NRO farms out most of it’s work product now to commercial firms.