Como a Área 51 funciona

Durante décadas, uma instalação militar dos Estados Unidos localizada a cerca de 100 milhas (161 quilômetros) ao norte de Las Vegas foi um dos segredos mais mal guardados do planeta. A Área 51, como é comumente conhecida pelos teóricos da conspiração de OVNIs e entusiastas da aviação que montam os detalhes de protótipos de aviões espiões militares classificados, é um lugar cuja existência o governo dos Estados Unidos se recusou a reconhecer.

Mas em agosto de 2013, a mortalha sobre a Área 51 finalmente foi levantada, pelo menos um pouco. Jeffrey T. Richelson, um pesquisador do National Security Archive com sede em Washington, DC, um think tank sem fins lucrativos, obteve documentos desclassificados sobre o desenvolvimento e uso dos aviões de vigilância U-2 e OXCART nas décadas de 1950 e 1960. Os documentos fazem referências repetidas à Área 51 e detalham como ela foi selecionada como área de teste pela CIA, a Força Aérea dos Estados Unidos e a contratada de defesa Lockheed por causa de sua localização remota. Eles até incluíram um mapa que confirmava sua localização exata [fonte: National Security Archive ].

Mas essa divulgação tardia não ajudou muito a abafar os rumores que há muito circulam na Área 51. No mundo obscuro dos quadros de avisos da Internet, programas de rádio AM noturnos e fantasias de ficção científica de TV e filmes , é longo foi considerado o lugar onde os pesquisadores do governo fizeram a engenharia reversa de espaçonaves alienígenas capturadas, tentaram clonar extraterrestres e filmaram a falsa aterrissagem na lua em 1969 [fonte: Day ]. O governo, como você poderia esperar, não confirmou nada disso.

"A Área 51 é um enigma", escreveu a autora Annie Jacobsen em um livro de 2011 sobre a instalação secreta. "Muito poucas pessoas compreendem o que se passa lá e milhões querem saber."

In this article, we'll look at what's known about Area 51, as well as what's suspected, and try to piece together as much as we can. Remember, as they used to say on the classic TV show "The X-Files," the truth is out there.

1. Where Is Area 51?
2. Area 51 Security and Secrecy
3. Getting to Area 51
4. Area 51 Aircraft
5. Area 51 Projects
6. Area 51 and Aliens
7. Reverse Engineering at Area 51
8. The Plot Thickens at Area 51
9. Seeing UFOs at Area 51
10. Controversy at Area 51
11. Cleaning Up Area 51
12. Living in the Shadow of Area 51
13. A Brief History of Area 51
14. A Time Line of Events at Area 51

Area 51's coordinates are 37 degrees 14 minutes north latitude, 115 degrees 48 minutes west longitude. You can get a great view of it using Google Earth. Just type "Area 51" into the "Fly To" field and the map does the rest.

For decades, the base remained hidden from almost everyone. Satellite imagery of the area was routinely deleted from government databases. In 1973, Skylab astronauts inadvertently photographed the airfield. However, according to declassified documents, the CIA managed to censor the picture and keep it from being seen by the public [source: Day].

But in 2000, photographs taken by a Soviet orbital probe were obtained and published by the Federation of American Scientists (FAS). The collection of photos on the FAS Web site show the facility's growth from the late 1960s, including the construction of new buildings and a new runway [source: Federation of American Scientists]. Since then — and especially since the advent of Google Earth — the proverbial cat is pretty much out of the bag.

A dry lake bed called Groom Lake borders the base. To the west is the Nevada Test Site (NTS). The closest town is Rachel, Nev., which is 25 miles (40 kilometers) north of the base. The base itself occupies only a fraction of the more than 90,000 acres (36,000 hectares) it sits on. It consists of a hangar, a guard shack, a few radar antennas, some housing facilities, a mess hall, offices, runways and shelters. The shelters are "scoot and hide" buildings, designed so aircraft can quickly move under cover when satellites pass overhead. Some allege that what you can see on the surface is only a tiny part of the actual facility. They believe that the surface buildings rest on top of a labyrinthine underground base.

Others claim the underground facility has up to 40 levels and that it is attached via underground railways to other sites in Los Alamos, White Sands and Los Angeles. Skeptics are quick to point out that such a massive construction project would require an enormous labor force; the removal of tons of earth that would have to go somewhere and there would be a need for a huge amount of concrete and other construction material. So likely, what you see is what you get.

But nobody in the public really knows for sure, because the government goes to great lengths to conceal what it is doing at Area 51.

To say access to the base is limited is an understatement. The base and its activities are highly classified. The remote location helps keep the activities figuratively under the radar , as does the proximity to the Nevada National Security Site, formerly the Nevada Test Site (NTS), where nuclear devices are tested. To gain access you need top security clearance as well as an invitation from the highest levels of the military or intelligence community [source: Jacobsen].

The government has gone to a lot of trouble to make it difficult for anyone to see what's going on inside Area 51. For years, mapmakers left out the facility, and while it fell inside the borders of Nellis Air Force Range, the road leading up to the facility was never shown. Even today, Area 51 is surrounded by thousands of acres of empty desert landscape, and the Air Force has withdrawn lands from public use to help keep the base hidden from snooping eyes. For many years, observers could hike to elevated vantage points like White Sides Peak or Freedom Ridge, but those areas have been seized as well. Today, to see anything at all, you have to make the strenuous hike up Tikaboo Peak, 26 miles (42 kilometers) from the facility. From there, you may get a brief glimpse of runway lights flashing on and an experimental aircraft taking off, before the lights go out again and plunge Area 51 into darkness [source: Jacobsen].

Todos os que trabalham na Área 51, sejam militares ou civis, devem assinar um juramento concordando em manter tudo em segredo. Os prédios no local não têm janelas, impedindo que as pessoas vejam qualquer coisa não relacionada às suas próprias funções na base. Segundo alguns relatórios, equipes diferentes trabalhariam em projetos semelhantes ao mesmo tempo, mas seus supervisores manteriam cada equipe ignorante do projeto da outra equipe. Ao testar uma aeronave secreta, os oficiais ordenaram que todos os funcionários não envolvidos permanecessem lá dentro até que o vôo de teste terminasse e a aeronave retornasse ao hangar.

A maioria dos passageiros para a Área 51 viaja em Boeing 737s ou 727s não identificados. Os aviões partem de um terminal do Aeroporto Internacional McCarran em Las Vegas. A empreiteira de defesa EG&G é proprietária do terminal. Cada avião usa a palavra "Janet" seguida por três dígitos como um sinal de chamada para a torre de controle do aeroporto.

O espaço aéreo acima da Área 51 é conhecido como R-4808N e é restrito a todos os voos comerciais e militares não originados da própria base (exceto os passageiros de Janet, é claro). Acredita-se que a Área 51 seja parte da Base da Força Aérea Edwards na Califórnia ou do Nellis Air Force Range em Nevada, embora os pilotos dessas bases sejam proibidos de voar no espaço aéreo da Área 51. Na verdade, os pilotos que voam para uma das zonas tampão ao redor do R-4808N enfrentam a punição de seus comandantes, embora seja bastante tolerante. Sempre que um piloto voa através de uma zona tampão, o exercício de treinamento termina imediatamente e o piloto é ordenado de volta à base. Voar conscientemente para o R-4808N é uma ofensa muito mais séria, e os pilotos podem enfrentar uma corte marcial, dispensa desonrosa e tempo na prisão como resultado.

Os militares classificam a Área 51 como Área de Operação Militar (MOA). Os limites da Área 51 não são cercados, mas são marcados com postes laranja e sinais de advertência. As placas informam que a fotografia não é permitida e que a invasão da propriedade resultará em multa. As placas também alertam que a segurança está autorizada a usar força letal sobre as pessoas que insistem em invadir. Rumores circulam entre os teóricos da conspiração sobre quantos infelizes buscadores da verdade morreram como resultado de pisotear os terrenos da Área 51, embora a maioria acredite que os invasores são tratados de uma maneira muito menos violenta.

Pares de homens que não parecem estar no exército patrulham o perímetro. Esses guardas são provavelmente civis contratados de empresas como Wackenhut ou EG&G. Os observadores os chamam de "cammo dudes", porque costumam usar camuflagem do deserto. Os cammo dudes geralmente dirigem em veículos com tração nas quatro rodas, vigiando qualquer pessoa perto dos limites da Área 51. Supostamente, suas instruções são para evitar o contato com intrusos, se possível, e agir meramente como um observador e dissuasor. Se alguém parecer suspeito, os cammo dudes chamarão o xerife local para lidar com ele. De vez em quando, eles confrontam invasores, supostamente apreendendo qualquer filme ou outro dispositivo de gravação e intimidando os invasores. Às vezes, os helicópteros fornecem suporte adicional. Há rumores de que os pilotos de helicóptero ocasionalmente usam táticas ilegais, como pairar muito baixo sobre os invasores para assediá-los.

Outras medidas de segurança incluem sensores colocados em torno do perímetro da base. Esses sensores detectam movimento e alguns acreditam que podem até discernir a diferença entre um animal e um ser humano. Como a Área 51 é efetivamente uma reserva de vida selvagem, era importante criar dispositivos de alerta que não pudessem ser acionados facilmente por um animal que passasse. Uma teoria sustentada pelos observadores é que os sensores podem detectar o cheiro da criatura que passa (os sensores detectam uma assinatura de amônia). Embora isso ainda não tenha sido comprovado, é certo que existem sensores enterrados em toda a Área 51. Um residente de Rachel chamado Chuck Clark descobriu vários dos sensores, e em um ponto o FBI o acusou de interferir em dispositivos de sinal e ordenou que ele fizesse devolver um sensor ausente ou pagar uma multa.Clark negou ter feito um, mas concordou em interromper suas investigações [fonte:Braverman ].

Na próxima seção, veremos por que todas as medidas de sigilo e segurança são necessárias ao examinarmos algumas das aeronaves testadas na Área 51.

De acordo com a Força Aérea, o objetivo da instalação é o seguinte: "o teste de tecnologias e sistemas de treinamento para operações críticas para a eficácia das forças militares dos Estados Unidos e a segurança dos Estados Unidos". Por anos, as pesquisas secretas e os esforços de teste conduzidos lá foram mantidos fora de vista. A desclassificação de 2013 de documentos sobre o programa U-2 das décadas de 1950 e 1960 foi a primeira rachadura na cortina oficial de sigilo.

Mas, apesar dos esforços do governo, tem sido difícil manter as atividades da Área 51 completamente secretas. Aqui estão alguns dos projetos conhecidos na Área 51:

There are other, murkier rumors about secret aircraft that may or may not have been tested at Area 51.

What new projects could be underway at Area 51 today? Apart from the continued focus on UAV technology, secret project theorists suggest a few possibilities. One is a transport aircraft with stealth technology designed to move troops in and out of conflict areas without being detected. Many see a need for a vehicle with effective and stealthy vertical takeoff and landing (VTOL) capabilities. (The V-22 Osprey has this capability, but critics say the vehicle is not effective at meeting military objectives.) Another likely research project is a stealth helicopter. Though some people say stealth helicopters already exist and are in use, they haven't been revealed to the public.

Some theorists see a need for a stealth plane that is designed specifically to neutralize ground targets. To date, most stealth aircraft are either surveillance vehicles or designed for air-to-air combat. There is also a need for aircraft that can rapidly deploy to any location worldwide in as short a time as possible. Projects like the rumored Aurora plane and other hypersonic vehicles fall into this category. Other rumored research projects range from cloaking technology to proton beams to antigravity devices.

Of course, these projects are only the tip of the rumored iceberg. Area 51 is arguably better known for its connection with aliens and UFOs than with any of these aircraft.

Red Square

In April 1984, U.S. Air Force Lt. Gen. Robert M. Bond died in a jet plane crash near Area 51. Though the Air Force described his plane as a modified test aircraft, the Associated Press reported that it actually was a Soviet MiG-23 [source: Macy]. Former military pilot Allan Palmer told the Huffington Post in 2013 that while flying in the area in the mid-1970s, he encountered other MiGs, which seemed to have been reengineered and were emblazoned with U.S. stars and bars instead of Soviet insignias [source: Spiegel]. It's unclear whether the U.S. obtained the aircraft from the Soviets or captured them somehow, but they seem to have been used for training exercises and war gaming. The use of Soviet aircraft in Area 51's airspace inspired its nickname of the Red Square.

Some believe that an alien spacecraft crashed in Roswell, N.M ., and that the government shipped the wreckage and a body to Area 51 for examination and study. Others claim the facility has underground levels and tunnels connecting it to other secret sites, and that it contains warehouses full of alien technology and even living alien specimens.

A few go even further, theorizing that the aliens are actually the ones running the show and their goal is to create a human-alien hybrid (the aliens seem to have lost the ability to reproduce on their own). Stories cast the aliens in roles ranging from benevolent visitors to evil overlords who subsist on a paste made from ground-up human bits. Air Force representatives have publicly denied that aliens have anything at all to do with Area 51, but that seems to have only strengthened conspiracy theorists' wilder suggestions.

On June 24, 1947, Kenneth Arnold reported sighting nine objects, flying in a V formation, while piloting his private plane over Washington state. He said the objects flew like a saucer would if you skipped it across the water, and the term "flying saucer " was born [source: History].

In July 1947, an airborne object crashed on a ranch near Roswell. The Roswell Army Air Field issued a press release from Gen. William "Butch" Blanchard, stating it had recovered the remains of an unidentified flying object or UFO. The Army quickly retracted the statement, saying it was not a flying disc at all but a weather balloon . But the original statement had already run in several papers [source: History, The Roswell Files]. The incident was largely forgotten until the 1970s when nuclear physicist Stanton T. Friedman wrote a book arguing that the crash was a result of extraterrestrial activity.

In the 1990s, declassified documents said that the object recovered at Roswell was actually a balloon created for a surveillance program called Project Mogul. The weather balloon story was a cover for this secret project [source: McAndrew]. Of course, UFO believers say that the spy balloon story is also a cover, and that the Army really did recover an alien craft.

How Did Area 51 Get Its Name?

The most popular theory is that it came from the old Atomic Energy Commission (AEC), the post-World War II agency that operated the Nevada Test Site (NTS). That's where nuclear weapons were detonated in the days before treaties banned such tests. The NTS is mapped as a grid of squares from 1 to 30. Area 51 isn't part of the grid, but it borders a section called Area 15. Some say the number was flipped, or that 51 was chosen because the NTS wasn't likely to expand its grid that far. Though some recently declassified documents actually refer to the base as Area 51, government officials still refer to the facility as an operating location near Groom Lake when responding to public queries [source: CBS News].

In 1989, a man named Robert Lazar shocked the world when he went on television claiming to have been part of a military operation that worked on alien technology. Lazar said that the government possessed at least nine alien spacecraft at a base called S-4, which is not far from Groom Lake. The facility even had posters showing a UFO levitating several feet above the ground with the caption "They're Here!" This was the first time an "insider" had "blown the whistle."

Lazar said EG&G hired him to help reverse engineer the technology in the alien craft for use in U.S. military vehicles and power production. He'd discovered a rusty, heavy substance he called "Element 115 " that powered the alien spacecraft.

Lazar's statements inspired an explosion of interest in UFOs and Area 51. But skeptics investigated as many of Lazar's statements as they could, and most appeared to be false. For example, Lazar said he held master's degrees from CalTech and MIT, but there's no evidence he ever attended either university. Lazar replied that the government was actively trying to erase his existence to discredit him. Also, both the Air Force and the Los Alamos National Laboratories denied he had ever worked for them. In 2013, a writer tried to contact him for the upcoming 25th anniversary of his allegations and was told, "Mr. Lazar no longer involves himself in matters related to the topic of UFOs" [source: Rojas].

One popular claim among Lazar's believers is that much of our current technology is the result of using reverse engineering on alien spacecraft. Everything from radios to superconductors falls into this category. They argue that people on their own couldn't possibly have developed these technologies so rapidly without an alien model. Some claim that pilots at Area 51 are using alien technology against aliens themselves, shooting them down so that other military crews can scavenge the parts.

Not all conspiracy theories concerning Area 51 involve little green (or gray) men. Some revolve around a shadowy organization (or group of organizations) dedicated to bringing about the New World Order. UFOs and reverse-engineering stories are just tactics these organizations use to distract the public from their real goal -- world domination.

One claim common to Lazar's statements and other UFO enthusiasts' theories is a secret organization known as MJ-12, sometimes called Majestic or Majic 12. This group originally included a dozen extremely powerful individuals like President Harry S. Truman, the heads of organizations like the CIA and powerful businessmen. Documents reported to be from this group have surfaced, mostly as discoveries of UFOlogist William L. Moore, including papers bearing presidential signatures. Skeptics scrutinized these documents and uncovered many signs that they are fakes, including signatures that appeared to be copied from other official documents and pasted onto the MJ-12 papers [sources: UFO Casebook, FBI]. Conspiracy theorists denounce the skeptics as either being fooled or actually employed by the government.

Other theorists say the MJ-12 documents are fakes, but official fakes made by the government to throw people offtrack. Most believers fall into one of several groups, and often each group will accuse the others of actively promoting disinformation to hide the truth.

The most extreme theories about aliens at Area 51 state that not only are aliens here on Earth, they're running the show. Apparently, the U.S. government has agreed to allow aliens to abduct people at will, experiment on these helpless citizens and even grind them up into a paste that is later smeared onto the aliens as a source of nutrition.

Other theorists say that the aliens are here to use humans to create a hybrid creature, since the aliens themselves are no longer able to reproduce on their own. Some offer hope with reports of shootouts between government forces and aliens, resulting in the return of the government to power.

In UFO enthusiast lore, Hangar 18 is the name of the building that houses a captured alien spacecraft and even an extraterrestrial being. The location of Hangar 18 is up for debate among believers. Some have claimed the hangar at Area 51 is Hangar 18.

Because the airspace around and above Area 51 is used for test flights and training missions, it is quite possible (and even probable) that you'll see aircraft flying overhead. Sometimes that aircraft might be exotic, perhaps even unidentifiable to the untrained eye. Even familiar aircraft might fool you into thinking you've seen something not of this Earth.

Skeptics point out that many reported UFO sightings coincide conveniently with the scheduled daily arrival of the Janet flights to the base. Many of the formerly classified projects at Area 51 really do look to be otherworldly. UAVs in particular seem strange, as they don't require a cockpit or doors. In addition, many training exercises use bright flares to draw off missile fire or even just to distract onlookers while secret aircraft go through maneuvers.

A popular spot to watch for UFOs is the "Black Mailbox" on Nevada Highway 375 (aka Extraterrestrial Highway). The mailbox belongs to a local rancher and became famous when Robert Lazar said it was the location he'd bring people to in order to watch scheduled test flights of alien spacecraft . Today, the mailbox has been repainted white and the rancher has said many times that he doesn't believe any of the craft flying overhead are alien in origin [source: Powers].

In the next section, we'll look at some of the controversy surrounding Area 51.

Workers at Area 51 have had to endure difficult conditions since the earliest days of the facility. In the 1950s, when the focus of the base was testing the U-2 spy plane, the CIA had to cease operations and evacuate the facility due to nearby nuclear testing on the neighboring Nevada Test Site (NTS). Sometimes the Atomic Energy Commission (AEC) would announce tests ahead of schedule to allow nearby residents time to evacuate if they felt it was necessary, but other times the tests would remain unannounced. The results from these tests could be seen from towns 100 miles (161 kilometers) away. People in Las Vegas would often organize trips to nearby peaks and picnic in view of mushroom clouds.

In 1957, one such test called HOOD was part of an overall program called Operation Plumbbob, which was designed to see if damaged nuclear bombs emitted harmful levels of radioactivity. The AEC detonated a 74-kiloton nuclear device 1,500 feet (457 meters) over Area 9 of the NTS. This was the most powerful airburst ever detonated over the continental United States [source: Department of Energy]. The AEC did not announce the test ahead of time, though they did tell Area 51 to evacuate beforehand. The resulting blast caused some minor damage at Area 51 -- mostly some broken windows and doors. Radiation was a much bigger concern, and, in fact, the soil in Area 51 has absorbed a lot of radiation over years of nuclear tests.

In 1980, the government authorized a program to remove irradiated soil from around Groom Lake. Satellite photos confirm crews removed massive amounts of dirt from the area. Surrounding cities reported increases in cancer rates and many sued the government (with varying degrees of success), claiming the tests caused them to get sick.

Another hazard at Area 51 involved the disposal of classified technology and vehicles. In the 1980s, crews at Area 51 dug large, open pits and dumped toxic materials into them. They burned the materials using jet fuel and suffered exposure to chemicals and fumes [source: Jacobs].

According to a lawsuit filed against several government officials, the workers requested safety equipment such as breathing masks, but were denied due to budgetary concerns. When they asked if they might bring their own equipment, their superiors told them that for security reasons they could not bring outside equipment into the base, except gloves. Several civilian employees became sick from the exposure -- two eventually died. Helen Frost, the widow of Area 51 employee Robert Frost, and several Groom Lake employees worked with attorney Jonathan Turley to file the lawsuit [source: Jacobs].

One interesting item from the lawsuit that has since caused a big stir in Area 51 circles is the submission of an unclassified security manual into evidence. Turley argued that the manual not only proved the base existed, it also proved the government was aware of the dangers of handling hazardous waste and acted with negligence toward the employees at Area 51. The government retroactively classified the security manual, and Judge Philip Pro didn't allow it as evidence [source: Jacobs]. Some claim the manual to be a fake, though if this is the case it raises a question -- why would the government declare a fake document to be classified information?

President Bill Clinton signed an executive order in September 1995 exempting Area 51 from disclosure of the results of Environmental Protection Agency (EPA) investigations of the site. The order referred to Area 51 as "the Air Force's operating location near Groom Lake, Nevada." Judge Pro eventually dismissed the lawsuit on the grounds that investigation into the claims constituted a breach of national security. Turley argued that this set a dangerous precedent in that the government could now hide crimes through the excuse of national security [source: Jacobs]. The policy relieved the government of accountability to the people it represents.

Area 51 still allows the EPA to inspect the facility to ensure it meets environmental requirements. However, all reports are classified and can't be published. Many argue that without publication of the results, the facility remains unaccountable. Clinton's executive order permits the reports to remain sealed, despite the fact that the law requires all such reports be made available to the public. The president must renew the order each year, and as of 2013, that's still the case.

In the next section, we'll look at the town of Rachel, Nev., which has received more than its share of attention as the closest town to Area 51.

The Truth is Out There

Area 51 is the most well-known secret facility ever created. It's been an important setting for numerous novels, films, television shows, video games and music. But two examples stand out as being particularly important. The long-running TV show "The X-Files" and the hit movie "Independence Day" both followed UFOlogists' theories about the real purpose of the base.

You might think that living close to a place like Area 51 could make you a little strange. A visit to Rachel, Nev., might just change your suspicion to certainty. The town is populated by 54 people (according to the 2010 census), most of whom have a strong sense of independence and more than a touch of eccentricity.

According to former Rachel resident Glenn Campbell, Rachel's documented history began on March 22, 1978, at 5:45 p.m. Not many towns can narrow down their origins so precisely. Campbell points out that on that date, power companies first supplied the Sand Springs Valley with electricity. Before this momentous occasion, only a few hardy farmers and a mining company occupied the valley [source: Campbell and Grover].

In the 1970s, small numbers of people with a pioneering spirit and desire to live their lives free of interference began to settle the valley. One of those families was the Joneses, who became famous in their small community upon the birth of Rachel Jones, the first child born in the valley. The loose community felt the name Sand Springs lacked distinction and Rachel's birth marked an important event in the town's history. So they named the town Rachel. The Joneses didn't stick around much longer, and sadly, Rachel passed away from a respiratory ailment at the age of 3 [source: Campbell and Grover].

There's very little to see in Rachel, but it does feature a motel and bar called the Little A'Le'Inn (get it?), a Baptist church and a senior center and thrift store.

Rachel is home to several interesting characters, many of whom have pet theories about Area 51. A few work for the Air Force , though that's about as much information as you'll get from them. Pat and Joe Travis run the Little A'Le'Inn and have made a business out of selling T-shirts and alien-themed souvenirs. Still, most of the people in Rachel will tell you they don't think the UFOs are anything other than flares, UAVs or military aircraft on training missions.

Glenn Campbell established the Area 51 Research Center. He would often go to a lookout spot he named Freedom Ridge where he could legally view the facility from several miles away. Campbell wrote a newsletter called the Desert Rat, keeping people up-to-date on activities at the base. He campaigned against what he considered to be excessive government secrecy, arguing that the government was creating an environment of mistrust with the public. He also created a Web site that linked to dozens of news stories and timelines about the base. Although he no longer updates the site, it's still available for you to explore. Campbell has since moved on from his focus on the secret base and no longer lives in Rachel.

The residents of Rachel seem to treat interest in their community with bemused patience. To them, sonic booms in the middle of the night and bright light shows are all normal, everyday events. Just about everyone in the valley has had to replace a window cracked by a sonic boom or held a piece of airplane wreckage (Area 51's history includes several spectacular crashes).

In the next section, we'll look at a timeline for Area 51 from its founding to the present.

During World War II, the Army Air Corps (precursor to our modern Air Force) built several runways in Nevada, including a pair of small runways at Groom Lake. They named the spot the Army Air Corps Gunnery School. After the 1940s, the runways were abandoned [source: Mahood].

In the early 1950s, the CIA entered a partnership with Lockheed to develop high altitude aircraft to use in surveillance missions. Clarence "Kelly" Johnson of Lockheed helmed the project. He formed a department of engineers and test pilots that eventually took on the name Skunk Works. The Skunk Works department was famous for being very secretive and nearly fanatical in the pursuit of their goals.

The CIA and Johnson both knew that secrecy was critical to their success, and so Johnson needed to find a location to develop and test secret aircraft. He wanted a location that was remote enough to avoid notice, yet still close enough to a major city so that supplying the facility would not be a monumental task. The site would need to be easily accessible by aircraft and out of the way of commercial and military flight paths. It would also need space to house a sizable force of military and civilian employees.

In 1955, he traveled to Nevada with test pilot Tony LeVier, special assistant to the CIA director, Richard Bissell and Air Force liaison, Col. Osmond Ritland, to find a good place to use as a base of operations for test flights. Ritland trained at the Gunnery School and told Johnson about it. Johnson decided the location was ideal for their operations [source: Merlin].

Johnson named the area "Paradise Ranch" as a way to encourage workers to move there. Eventually it was just called "The Ranch."

Four months later, crews completed the initial construction. U-2 test flights began and President Dwight Eisenhower signed an executive order restricting the airspace over Groom Lake. The CIA, the Atomic Energy Commission and Lockheed oversaw base operations. Eventually, control of the base would pass to the Department of Energy and the Air Force.

Roswell Versus Area 51

While Area 51 and Roswell are often mentioned in the same breath, the two locations are pretty far from each other. Roswell is in New Mexico and, according to Google Maps, is 891 miles (1,433 kilometers) away from Area 51. The trip would take you more than 15 hours to get there by car, and by most reports it's not a very exciting drive.

The following is a time line beginning soon after Area 51's construction [sources: Mahood, Merlin, Collins, Jacobsen]:

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