Last fall a neighbor of mine, I live in northern Idaho, who WAS local builder decided to suddenly sell his house and move his family to Arizona.

He had recently contracted with the federal government on work Alaska. I dug for more info. He was building giant landing pads for helos, near the tops of mountains in the middle of nowhere. I mentioned the possiblty of alien spacecraft use. He became nervous and would not discuss the subject any further.

Enormous landing pads.