Area 51 is a US Air Force base in Nevada with a murky history. The Central Intelligence Agency (CIA) built the facility in ...
Those appeared to stem from testing of the U-2 aircraft, which could fly up to 50,000 feet higher than normal airliners at ...
In the summer of 1955, sightings of "unidentified flying objects" were reported around Area 51. That's because the Air Force had begun its testing of the U-2 aircraft. The U-2 can fly higher than ...