“Russia and the U. S. have announced they are definitely planning several space machines. So it’s quite possible that the first space ships or satellites may encounter other interplanetary machines, manned or otherwise. Our space devices may even be closely approached by such alien machines...”

“Russia and the U. S. have announced they are definitely planning several space machines. So it’s quite possible that the first space ships or satellites may encounter other interplanetary machines, manned or otherwise. Our space devices may even be closely approached by such alien machines...”

— Donald Keyhoe