Given what we know about SpaceX, I wonder if this "launch pad" that just happens to be along the border was really a staging area for trafficking. Or perhaps intended as a foreign base for whatever invasion plans the cabal had.
It's possible that the border wall in the SpaceX area isn't actually on the border, but set a few hundred feet back. Still, Anon, is right that anyone could drive up to it from Mexico.
It's also possible that this "border wall survey" is cover for some other military op.
Apparently this SpaceX "launch pad" is a sandbar along the water. So in addition to whatever shady business was coming up by land through Mexico, they might have been transporting illegal cargo–drugs, weapons, humans–via water. Look it yourselves on Google maps.
https://www.google.com/maps/place/SpaceX+Space+Launch+Facility/@25.9885412,-97.2626581,11z/data=!4m5!3m4!1s0x866fb3b7acdd5343:0x6de33c09fd1e48ce!8m2!3d25.9973908!4d-97.1573455?hl=en
Apparently there is a "Port of Bagdad" south of the facility, in Mexico, that was a major port of the Confederacy. Funny how they left that out of history books.
https://en.wikipedia.org/wiki/Bagdad,_Tamaulipas