NASA’s new administrator raised doubts on the idea that the mysterious flying objects caught on camera by U.S. Navy pilots were just optical illusions. Bill Nelson, NASA’s recently appointed leader, is a former Florida senator and a spaceflight veteran. In an interview with CNN, he said that even to the higher authorities of the space agency it isn’t clear what the flying objects caught on tape are. Nelson stated that he doesn’t regard UFOs to be proof of extraterrestrials visiting our planet, saying “I think I would know.” However, he acknowledged that it would be too early to completely discard that possibility. “We don’t know if it’s extraterrestrial. We don’t know if it’s an enemy. We don’t know if it’s an optical phenomenon,” Nelson remarked, “we don’t think [it’s an optical phenomenon] because of the characteristics that those Navy jet pilots described … And so the bottom line is, we want …