That base is now closed. The Headquarters is a Hotel. The Secret rooms are still there.
http://www.fortwiki.com/Lowry_Air_Force_Base
https://www.colorado.com/museums/wings-over-the-rockies-air-space-museum
https://www.pinterest.com/cofreeu/historic-lowry/
https://www.colorado.com/museums/wings-over-the-rockies-air-space-museum
https://www.pinterest.com/cofreeu/historic-lowry/