https://www.whiteeagleaerospace.com/first-flight-over-the-south-pole/
http://www.classichistory.net/archives/first-polar-flight
And somehow they accomplished this without compasses working. Which later proved problematic in 1979:
https://www.history.com/this-day-in-history/plane-crashes-over-antarctica
That video is basically an introduction to crater Earth. Implying a massive stationary planetoid with a small habitable zone that moves slowly across the surface over the ages. Which is why we migrated to the "new world". Which would be why we would be traveling to "Mars", secretly a location here on this world.
Implied in these theories, is that they are either hiding a small land mass, or 90% of the Earth's surface, and possibly other species that inhabit those lands.
So basically, earth is like Saturn, and the black cube of Saturn, the hexagonal storm is their firmament.