10. Access to Private companies
It has been revealed that many private companies including Lokheed Martin are developing stealth aircrafts for the US air force. It is largely believed that the epic Lokheed Marti Stealth aircraft, the SR 71, was built and tested in area 51.
The effects of stealth aircrafts were evident during the Gulf War and it is believed that stealth capabilities were thoroughly tested at the military base in area 51.