Encounters with the Unexplained: Is Area 51 America’s Hidden Spaceport? (2002)
Its existence is officially denied by the US Government, but its buildings and runways have been documented in Russian satellite photos. The perimeter is patrolled by unmarked helicopters and assault vehicle, and signs warn intruders of "Deadly Force Authorized." A scientist that worked there claims it contains captured UFOs. What is going on at Area 51?