Oddly, no one is there now!!! If this were some sort of spy bust, wouldn't the place be swarming with authorities in the midst of investigation?? Instead, it is a ghost town?? Everything shut down in a hurry, and for a really creepy touch, they filmed an X-files box in a garbage can behind a window in a locked building…

"Sunspot’s one-of-a-kind telescope produces some of the sharpest images of the sun available in the world, officials said."

https://www.alamogordonews.com/story/community/2018/09/13/sunspot-observatory-remains-closed-unknown-security-risk-nmsu/1296835002/