Area 51 is the most famous secret military installation in the world.. The United States Air Force facility commonly known as Area 51 is a remote detachment of Edwards Air Force Base, within the Nevada Test and Training Range.

2.  Introduction
 Technologies developed
 More Mysteries hovering

3.  A large US military base and one of the most secretive
places in the world.
 Location:- Situated in southern Nevada in Western
United States nearby Groom Lake.
 Also known by various names like Dreamland ,Groom
Lake and Homey airport.

4.  Area 51 shares a border with the Yucca Flat region of
the Nevada Test Site (NTS).
 NTS lies 105 km northwest of city Las Vegas.
 Area 51 appears on the older maps of NTS but not on
the newer ones.

6.  Originally designed to be a safe place for the
president and rest of US government to stay in during
war times.
 To withstand a nuclear attack as it is almost entirely
underground.
 To develop and test the most advanced aircraft
projects and other technologies.

7.  Security force patrol the perimeter of the base in white
Jeep Cherokees.
 Surveillance cameras, magnetic trip sensors, and optical
sensors can be found guarding the base.
 Anyone trying to trespass the military base will be shot
dead.

9. There is no solid proof, but it is believed that at least 3
major specific projects are being worked on at Area 51.
They are:-
 Aurora project.
 Black Manta project.
 Electrochromatic Technology project.

10. Aurora - a top-secret hypersonic spyplane considered to
be faster than Mach10.
Uses Scramjet Engine that could take the aircraft into
space.
It is believed the plane is piloted, and not manually
controlled.

11.  Black Manta is a supersonic spyplane based on Stealth
Technology.
 Stealth Technology- It makes the aircraft ideally invisible
to radar ,infrared detection methods.
 It can operate at almost any altitude in the atmosphere.

12.  It is one of most rumored research projects.
 Based on devices which could make things invisible,
even human beings.
 The devices could possibly display what lies on the
other side of the material.
 Useful for spying and tracing suspicious things.

14. The first supposed UFO sighting was on 25th June 1947 in
Boise, Idaho (400 miles from Area 51 Nevada)
and since then many UFOs have been spotted near the
base. .

15. The most publicized and controversial UFO incident.
In 1947, an alien spacecraft was reported to have crashed
in the vicinity of Roswell, New Mexico.
Residents claim to have discovered the scene, witnessing
dead and injured aliens.
The US military publicly denied the scene. Rather they
mentioned the crash as one of their classified programs.
But it is believed that the scientist have been running
tests on the crashed aircraft and conducted operations on
aliens at AREA 51.

17.  An ordinary mailbox located on highway 375.
 It is not a mailbox of area 51,but belongs to a local rancher.
 Area around Black mailbox is a popular spot for UFO
watchers.
 People gather at night to search the skies for UFOs.
 It is no longer black. It’s replaced by a bullet proof white
mailbox.

18. WHITE MAILBOX

19. On July 14th
, 2003, the
Federal Government of
US admitted that the Air
Force has an "operating
location" near the Groom
lake, but does not
provide any further
information. The base is
absent from Federal
publications and
inquiries to the
government regarding
the facility are rejected
for reasons of national
security.