Evidence about the meeting between aliens and astronauts

Clark C. McClelland says that in the past has worked as operator of NASA's space, the space center "Kennedy", which is located in Florida.During his career, he is to be involved in more than 650 missions in the agenda of Mercury and Apollo, as well as within the space program "Shuttle".
 He says it was during one of these missions he became a spectator of a meeting between NASA astronaut and an alien over.McClelland said it had monitored the meeting from his office in the launch control center, where saw something that should not have to see. He insists on seeing an extraterrestrial about 2.7 meters long, which spoke with two US astronauts.
 He says that this view had seen for about 1 minute and 7 seconds, which was enough to remember all that he had seen. He says that, apart from the alien, had seen his ship space.He says that one of his colleagues, then, had said in confidence that he had seen the same thing. So far, NASA has not given any statement regarding these allegations. Otherwise, it does not hesitate, in such cases, come away with denials.