So many it's hard to keep track of them all. But remember that all of the sightings were probably not all actual UFOs. No doubt that many of those reported were military manuvers that are top secret.
There have been hundreds of UFO sightings over this restricted area.
Unknown. There are millions of sightings of UFO each year. There could even be trillions of sightings. The ones on earth are at Area 51. Since we don't have access to Area 51, it is still unknown.
Roswell. Also some of Lazar's claims about Area 51.
Area 51
area 51
Area 51
Yhea there have been many sightings in Area 51 according to me
UFO Hunters - 2008 I Area 51 Revealed 2-13 was released on: USA: 25 February 2009
UFO Hunters - 2008 I Underwater Area 51 3-8 was released on: USA: 13 May 2009
Area 51
Area 51
cheat or find it at area 51 or whatever number it is
well i don't know exactly how to answer your question, but if there are UFO's then they would be mostly around Nevada where Area 51 (and Area 52) are i think UFO's are most likely a nw type of aircraft being worked on in Area 51 that looks exactly like a UFO i got this info. from a reliable source