He's claimed far more than that. "Non-human origin technical vehicles, call them spacecraft if you will," from which "pilots" have been recovered. Some of these craft were apparently the size of football fields, made of unidentifiable materials. He's implied that he believes these craft don't come from other planets, but other dimensions, that secret agreements between the government and the intelligences behind these craft exist, and that people have been murdered to cover it up.

He's not talking about monkeys in drones, or anything even remotely terrestrial.