The secret base with namesake "Harold Holt"!? :3

So, is that where he disappeared to? ... or, what he suffered from wanting to blow the whistle on? (h.a.a.r.p. and weather control). Or, something else?

https://www.bitchute.com/video/msqBr1o4wYdE/

WHAT ON EARTH IS THE MASSIVE HEXAGON IN THE AUSTRALIAN DESERT
www.bitchute.com

WHAT ON EARTH IS THE MASSIVE HEXAGON IN THE AUSTRALIAN DESERT