1 / 15 The Remaining Incidents

Of all UFO sightings reported, most can be explained as ordinary phenomena, and therefore discarded. However, there are some spectacular, well-documented UFO events have been officially investigated by government agencies, witnessed by pilots and confirmed by Air Force generals. No conventional explanations were found despite extensive efforts by experts to do so. These are the cases explored in "UFOs: Generals, Pilots and Government Officials Go On the Record" and in the History Channel special, "Secret Access: UFOs On The Record." Photo: U.S. Coast Guard, Salem, MA; 1952