Area 51

Area 51 sits beside Groom Lake, a dry lakebed in the Nevada desert about 83 miles north-northwest of Las Vegas. Its airfield is officially called Homey Airport. The CIA set it up in 1955 to test the U-2 spy plane, and for decades the US government would not name it. Since 1989 it has also been the centre of the most famous UFO story in the world, the claim that the government keeps alien spacecraft there.

The two sides of the story are very different. The aircraft history is well documented in declassified CIA files. The alien story rests almost entirely on the claims of a few men, above all Bob Lazar, and none of it has been confirmed. This page sets out both, and is clear about which is which.

Geographic Location and Physical Description

Area 51 lies inside the Nevada Test and Training Range. The airfield sits on the southwest edge of Groom Lake, at roughly 37.24°N and 115.81°W. The Groom Range lies to the north and the Papoose Range to the south. The site was picked because it was remote, flat and already next to the restricted ground of the Nevada Test Site, where nuclear weapons were tested.

The base has grown a great deal since the 1950s. Commercial satellite images now show a large complex of hangars, workshops, housing, radar sites and several runways. The main paved runway, 14L/32R, is about 12,000 feet long. Other runways run across the dry lakebed itself.

Many stories claim that much of the base is underground. Satellite images do show roads and structures cut into the hillsides. No public source has shown how far underground the base goes, or what is there.

The Origins: Project AQUATONE and the U-2 Program

The documented history of Area 51 begins in 1955, at the height of the Cold War. The CIA’s Richard M. Bissell Jr. ran the U-2 program, code-named AQUATONE. He needed a secret place for Lockheed’s Skunk Works to test a spy plane that could fly far above Soviet air defences. A Lockheed team looked at Groom Lake that spring and chose it. Clarence “Kelly” Johnson, the Skunk Works chief, gave the site the name “Paradise Ranch” to make it sound more appealing to the men posted there. It was nothing of the kind. Summers were very hot, winters were cold, and the nearest town was hours away.

The first U-2 reached Groom Lake in July 1955 and began flying that summer. The plane was a success. Its photographs of the Soviet Union showed that the feared “bomber gap” did not exist.

The U-2 also caused a wave of UFO reports. In 1997 the CIA historian Gerald Haines explained why in a study called “CIA’s Role in the Study of UFOs, 1947-90”. The U-2 could fly at 60,000 feet. In the mid-1950s most airliners flew between 10,000 and 20,000 feet. The early U-2s were silver, so they “reflected the rays from the sun, especially at sunrise and sunset”. To pilots and people on the ground they could look like fiery objects. Haines wrote that CIA officials later estimated that “over half of all UFO reports from the late 1950s through the 1960s were accounted for by manned reconnaissance flights”. The CIA could not explain this to the public without revealing the program.

The OXCART Era

After the U-2, Groom Lake was chosen for a more ambitious plane, the Lockheed A-12 OXCART. It was the forerunner of the SR-71 Blackbird. Built largely of titanium, it was meant to cruise above Mach 3 at over 85,000 feet.

The program needed a much larger base. The runway was lengthened, new hangars were built, and large tanks were put in for the plane’s special high-temperature fuel. The workforce grew and security grew with it. The A-12 first flew from Groom Lake on April 26, 1962.

The A-12 flew higher and faster than anything else in the sky, and its long, blended shape looked like nothing pilots had seen. Haines’s study names OXCART, alongside the U-2, as a cause of UFO reports. Secrecy shaped daily life at the base. Workers could not discuss their jobs, and when the public reported sightings, officials gave other explanations to protect the program.

Have Blue and the Stealth Revolution

In the 1970s Groom Lake became the home of stealth. Lockheed’s Skunk Works, by then led by Ben Rich after Kelly Johnson retired in 1975, built a small test aircraft called Have Blue. Its flat, faceted surfaces were designed to scatter radar waves. The first Have Blue flew at Groom in December 1977. The prototypes were hard to fly and both were lost in crashes, but they proved that stealth worked.

Have Blue led to the F-117 Nighthawk. The first F-117 flew at Groom Lake on June 18, 1981, and the type became operational in 1983. It was flown mostly at night from the Tonopah Test Range. Its dark, angular shape later appeared in many UFO reports of silent triangles.

Robert Lazar and the Transformation of Area 51’s Public Image

Aviation fans had known about Groom Lake for years. It became famous in 1989, when Robert Scott Lazar told his story on Las Vegas television.

Lazar first spoke to George Knapp of KLAS-TV on May 15, 1989, using the name “Dennis” with his face in shadow. In November 1989 he went public under his own name. He said he had worked at a site called S-4, near Papoose Lake, about 15 miles south of Groom Lake. He said its hangars were built into a hillside and held nine disc-shaped craft of alien origin.

Lazar said he was hired to study the propulsion system of one craft, which he called the “Sport Model”. He said it ran on a reactor fuelled by element 115, which at the time had never been made. In his account the reactor produced antimatter and used it to bend gravity. He also described small seats inside the craft and briefing papers that, he said, told of the government’s long study of alien technology.

His claims drew doubt at once. Lazar said he had degrees from MIT and Caltech. Neither school has any record of him. There was some evidence for part of his story. A 1982 Los Alamos telephone directory listed a Robert Lazar, apparently as a contractor employee, and a June 1982 article in the local Los Alamos Monitor called him a physicist at the Los Alamos Meson Physics Facility, a claim that was never checked. His polygraph tests, arranged through Knapp, were mixed. The first was inconclusive, and later examiners said they could not tell whether he was telling the truth.

Supporters point to two things. Lazar told friends when test flights would happen, and in early 1989 they went out and filmed lights. And element 115 was finally made in 2003 by a Russian and American team, and later named moscovium. Skeptics reply that the moscovium made in the lab lasts a fraction of a second and is nothing like the stable fuel Lazar described.

Whatever the truth of his story, its effect is clear. Lazar turned Area 51 from a secret known to aviation buffs into a worldwide symbol of UFO cover-ups.

Security Measures

The security around Area 51 is real and strict. Warning signs mark the boundary in the desert, miles from the base itself. They tell visitors that photography is forbidden and that the use of deadly force is authorised. People who cross the line are detained and fined.

Guards in unmarked pickup trucks watch the boundary roads. Locals and visitors call them the “Cammo Dudes” for their camouflage clothing. The approach roads are also fitted with sensors.

Above the base is restricted airspace, Restricted Area 4808 North, often written R-4808N. Civil aircraft may not enter it. The government has also pushed the public back on the ground. In 1995 it closed about 3,972 acres of nearby public land, including two popular viewing points called Freedom Ridge and White Sides, because so many people were photographing the base from them.

Many workers fly in on unmarked passenger jets known by the callsign “JANET”, mainly from Harry Reid International Airport in Las Vegas. Workers on the base are told only what they need to know for their own jobs.

The secrecy has had legal costs too. In 1994 former workers and the widows of contractors sued, saying they had been harmed by open burning of toxic waste at the base. They were represented by the lawyer Jonathan Turley. In 1995 President Bill Clinton signed a determination exempting the “operating location near Groom Lake” from environmental disclosure laws. The suit was dismissed, an appeal failed, and the Supreme Court declined to hear it.

Documented Test Programs and Declassified Projects

UFO stories dominate talk about Area 51, but much of its real work is on record. It has been used to test both American prototypes and captured foreign aircraft.

Foreign Technology Evaluation

In August 1966 an Iraqi pilot, Captain Munir Redfa, defected to Israel in a MiG-21, then one of the Soviet Union’s best fighters. Israel lent the jet to the US Air Force in early 1968. It was flown at Groom Lake under the code name HAVE DOUGHNUT. A MiG-17 followed under HAVE DRILL. These tests helped American pilots learn how to fight the MiGs they were meeting over Vietnam. Later Soviet-built fighters were flown in a secret training program from the nearby Tonopah Test Range.

Later Aircraft and Drones

Stealth work went on at Groom Lake after the F-117. Most of it is still classified. Watchers have long reported large triangular aircraft near the base, sometimes called the “TR-3B” or “Black Manta”. The Air Force has never confirmed that any such aircraft exists.

The base is also widely believed to have tested stealth drones. The RQ-170 Sentinel was photographed in Afghanistan in 2007, its existence was confirmed by the Air Force in 2009, and Iran captured one in December 2011. Where it was tested has not been officially stated.

The 2013 CIA Acknowledgment

For decades the government would not name the base. Maps left it blank, and officials refused to discuss it. This changed in 2013.

In 2005 Jeffrey T. Richelson of the National Security Archive at George Washington University filed a Freedom of Information Act request. In response, the CIA approved the release of a fuller version of its internal history, “The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954-1974”, by Gregory W. Pedlow and Donald E. Welzenbach. The release was approved on June 25, 2013, and the Archive published it on August 15, 2013. It contains many references to Area 51 and Groom Lake, with a map of the area.

The release was limited. The history ends in 1974. Nothing about later programs, or about UFOs, was included.

Eyewitness Accounts and Reported Phenomena

Since 1989, people have gone to the edge of the restricted area to watch the sky. Many have reported lights that hover, change colour or move quickly. Some of these were photographed or filmed. None has been traced to a craft that is not human-made. The base flies secret aircraft at night, so any light near it is hard to identify, and that is exactly why the official history says so many reports came from spy planes.

Claims from people who say they worked at the base are harder to judge. Lazar is the best known. Others have since claimed knowledge of alien craft, alien bodies or large underground complexes. None has produced documents or physical evidence that others could check. What is documented is the base’s secrecy itself. Workers sign strict non-disclosure agreements, and the workers’ lawsuit of the 1990s showed how far the government would go to keep the base’s activities out of court.

The Storm Area 51 Phenomenon

In June 2019 a California man, Matty Roberts, posted a Facebook event called “Storm Area 51, They Can’t Stop All of Us”. It invited people to rush the base on September 20, 2019, using the “Naruto run” from Japanese anime.

It was meant as a joke, but more than 2 million people said they would go. The story ran around the world. The Air Force warned that it was ready to protect the base. Officials in Lincoln County, which has only a few thousand residents, declared an emergency to prepare for possible crowds.

The raid never happened. Between about 1,500 and 3,000 people went to festivals in the small towns of Rachel and Hiko. A little over 150 reached the gates, and about seven people were reported arrested.

Theories and Speculation

The secrecy around Area 51 has produced many theories. They range from the likely to the fantastic.

The Extraterrestrial Hypothesis

The best-known theory says the base holds crashed alien craft and perhaps the bodies of their crews. Believers often tie it to Roswell. In July 1947 the Army Air Forces announced that it had recovered a “flying disc” near Roswell, New Mexico, then said it was a weather balloon. In 1994 the Air Force said the debris came from Project Mogul, a secret balloon program. Believers say the debris and bodies were taken to Area 51. No document supports that, and Area 51 did not exist until 1955.

Some believers also argue that certain technologies appeared too suddenly to be human-made. Historians of aviation reply that the documented programs, from the U-2 to stealth, each have a well-recorded line of development.

Advanced Aerospace Research

A more modest theory says the base is what the government says it is, a test site for secret aircraft, but that its technology is further ahead than the public knows. This fits the documented record well. It would also explain why strange lights are seen near the base.

Interdimensional Research

A more fringe theory says the base studies other dimensions, and that the craft seen near it can cross between them. There is no evidence for this.

Underground Bases and Tunnel Networks

Many stories describe huge underground complexes below Area 51, sometimes linked by tunnels to other bases across the Southwest. Satellite images show structures set into the hills, but nothing public shows deep levels or long tunnels.

Cultural Impact and Legacy

Area 51 now means far more than a military airfield. It has become shorthand for government secrecy and for the idea that the truth is being hidden.

It has appeared in films such as “Independence Day” and in television series such as “The X-Files”. Books about it range from serious history, such as Annie Jacobsen’s “Area 51” of 2011, to pure fiction. The towns near the base have built a small tourist trade on it.

Visiting the Area 51 Region

The base itself is closed, and some of the old viewing spots are now closed too.

Nevada State Route 375 was named the Extraterrestrial Highway by the state in 1996. It runs through open desert to the northeast of the base.

Rachel, a tiny settlement on the highway, is the usual stop for visitors. Its Little A’Le’Inn offers food, rooms and UFO souvenirs.

For years Tikaboo Peak, about 26 miles from Groom Lake, was the closest public spot with a full view of the base. It meant a long dirt-road drive and a short, steep hike. In March 2026 the Bureau of Land Management closed about 22,987 acres around the peak. The closure took effect on March 25, 2026, and is listed as temporary, “for a minimum of one year or until conditions are reassessed and determined safe for public use”.

A rancher’s mailbox on Route 375, once painted black and later replaced with a white one, became a well-known meeting spot for skywatchers. It is still called the Black Mailbox.

What Remains Unknown

Area 51 shows two things at once. The real history of secret aircraft is remarkable on its own. The U-2, the A-12 and the F-117 all took shape there. That history also explains a large share of the UFO reports linked to the base, as the CIA’s own historian wrote.

The alien story is different. It rests on claims that have never been backed by evidence that others can check. Much of the base’s work after 1974 is still secret, so the public record has a large gap. That gap is where the legend lives.

Sources

• National Security Archive, “Area 51 Uncovered” (Electronic Briefing Book No. 434), August 15, 2013
• Gerald K. Haines, “CIA’s Role in the Study of UFOs, 1947-90”, Studies in Intelligence, 1997 (FAS mirror)
• Wikipedia, “Area 51”
• Wikipedia, “Bob Lazar”
• The Aviationist, “Tikaboo Peak, Legendary Area 51 Viewing Spot, Closed by U.S. Government”, May 2, 2026
• NewsNation, October 23, 2023, “Lie detectors, Russian documents, congressional hearings: Inside the files of UFO reporter George Knapp”