For so long, the government’s stance when it came to UFOs was to deny and debunk. But when declassified and new information started hitting the mainstream — thanks to the work of engineers, private investors, and even musician Tom DeLonge — a new era began. One that chipped away at the taboo surrounding ufology… and has paved a way for incredible new research. This is the last episode of our four-part special with Unexplained Mysteries, celebrating the 75th anniversary of the infamous Roswell crash.