Funny you mention Antarctica. Pretty sure that place is also heavily militarized. Some Norwegian sailors has being severely punished for sailing boats there.

The funny thing is people in conspiracy circle has being taking about that space has being militarized for years! China and Japan just openly talked them:

https://san.com/cc/nasa-china-wants-military-moon-base/

Really at this point between conspiracy and official realize is just matter of a year if not just a couple months now.