Many will quickly dismiss what David Wilcock talks about (and me for even mentioning his name), but I have to say Wilcock seems like he's ahead of the game on this stuff. If it turns out this stuff is true, he's already connected a lot of the dots.
Cued up a portion of his discussion that talks about the "hover carriers".
youtu.be/wu854P7gzJ4?t=32m30s