Trump to release alien and UFO files from Pentagon
Digest more
The first thing to know about potential alien invaders is that they are no longer classified by the U.S. Government as unidentified flying objects. That sounds too scary. They are classified as unidentified aerial phenomena. It sounds a bit better.
Area 51, a classified US military testing site in Nevada, became synonymous with aliens due to Cold War secrecy, UFO sightings and decades of speculation.