No, no. Sorry ’bout that !
No UFOs or Space People . Not even a Spice Girl or two to provide ingénue activity .
What was there WAS top-secret : so secret we even had it photographed from space to make sure the Russians (or the Martians) could not penetrate its cover and camoflague.
This is where the CIA stored and tinkered with its U2 reconnaissance planes.
Later, it was where the Air Force tested Soviet MIG fighters it had bought on the QT-probably from Iraq.
Further along, the Air Force tested an array of “stealth” aircraft.
Now you can explore the details right here :
(Sorry : still no Spice Girls !)