Because they wanted to ;)
Area 51 is in Nevada.
Southern Nevada. Nevada is a state in the United States. Area 51 is the nickname of a military base.Southern Nevada. Nevada is a state in the United States. Area 51 is the nickname of a military base.Southern Nevada. Nevada is a state in the United States. Area 51 is the nickname of a military base.Southern Nevada. Nevada is a state in the United States. Area 51 is the nickname of a military base.
"Area 51" in Nevada is a training and testing area for secret US aircraft.
In the Nevada Desert
Are you not familiar with Area 51?
area 51 does exist, it is a military base in Nevada i believe
893 miles. Area 51 is near Groom Lake, Nevada.
No evidence of this. "Area 51" in Nevada is a training and testing area for secret US aircraft.
Area 51, Nevada
Somewhere in Nevada desert
For one, it's obivously not secret. For two near Groom Lake, Nevada, north of Las Vegas.
It is restricted because it is a military installation.