Given that recently the US Navy revealed that leaked UFO footage was real and was released by mistake, it is seems more likely that they would indeed cover up knowledge or even perhaps evidence of UFOs. via Unexplained-Mysteries: The majority of Americans believe that the US government knows more than it is letting on about UFOs. With the 'Storm Area 51' event recently accruing millions of signups, interest in the topic of UFOs and what the government knows about them appears to be as high now as it has ever been. In a recent poll, 68% of Americans thought that the US government is concealing information on the topic while only 29% believed that officials had shared everything they knew on the subject. The result echoes a previous poll from 1996 in which 71% said yes to the same question. According to Gallup, this result is consistent across all demographic groups. In a separate poll, 33% of American adults believed that some UFOs are extraterrestrial in origin, while 60% remained