(单词翻译:单击)
Area 51 has spawned more conspiracy theories than perhaps any other military facility in the world.
51区引发的阴谋论可能比世界上任何其他军事设施都多。
So what is actually known about this secretive place?
那么，关于这个神秘的地方，人们到底知道些什么呢？
Area 51 is a US Air Force military installation located at Groom Lake in southern Nevada.
51区是美国空军的一个军事设施，位于内华达州南部的格鲁姆湖。
It is not accessible to the public and under 24-hour surveillance.
它不对公众开放，并受到24小时监控。
Area 51 employees reach the facility by way of airplane.
51区的员工通过飞机到达工厂。
They fly in and out of a restricted terminal at McCarran International Airport on one of several unmarked planes permitted to fly through the airspace above.
在麦卡伦国际机场的一个受限制的候机楼里，他们乘坐几架没有标记的飞机，可以在上空飞行。
Adding to the secrecy, satellite imagery of the installation was censored until 2018.
更机密的是，该设施的卫星图像在2018年之前都被审查了。
As of today, Area 51 is visible on Google Maps.
截至今天，51区在谷歌地图上是可见的。
The only confirmed use of the installation is as a flight testing facility.
唯一被确认的用途是作为飞行测试设施。
During World War II, the US Army Air Corps has used the site as an aerial gunnery range.
在第二次世界大战期间，美国陆军航空兵曾将该地点用作空中射击靶场。
In 1955, the area was selected by the CIA as a testing site for the Lockheed U-2, a high altitude reconnaissance aircraft.
1955年，该地区被中央情报局选为洛克希德U-2高空侦察机的试验场。
President Dwight D.Eisenhower authorized the testing, which was to be conducted under the codename Project Aquatone.
德怀特·d·艾森豪威尔总统批准了这次试验，试验代号为“水通计划”。
After the U-2 was put into service in 1956, Area 51 was used to develop other aircraft, including the A-12 reconnaissance plane, also known as Oxcart, and the stealth fighter F-117 Nighthawk.
1956年U-2投入使用后，51区被用于开发其他飞机，包括被称为“牛车”的A-12侦察机和隐形战斗机F-117“夜鹰”。
On June 25th, 2013, the CIA approved the release of declassified documents chronicling the history of the U-2 and Oxcart programs in response to a Freedom of Information Act request.
2013年6月25日，应信息自由法的要求，中央情报局批准公布记录U-2和Oxcart项目历史的解密文件。
The release of those documents marked the first time that the US government formally acknowledged the existence of Area 51.
这些文件的公布标志着美国政府首次正式承认51区的存在。
Since then, not much other information has been forthcoming.
自那以后，没有太多其他信息传出。
We know what you're thinking.
我们知道你在想什么。
What about the aliens?
那外星人呢？
Many people have reported seeing unidentified flying objects in or near Area 51.
许多人报告说，在51区或附近看到不明飞行物。
And the popular image of the place is a secret site for extraterrestrial research.
人们对这个地方的普遍印象是一个用于外星研究的秘密地点。
How did that come about?
这是怎么回事？
In 1989, a man named Robert Lazar claims he worked on extraterrestrial technology inside Area 51.
1989年，一位名叫罗伯特·拉扎尔的男子声称，他在51区从事外星技术工作。
Lazar told Las Vegas television reporter George Knapp that he saw autopsy photographs of aliens inside the facility, and that the US government used the facility to examine recovered alien spacecraft.
拉扎尔告诉拉斯维加斯电视台记者乔治·纳普，他在该设施内看到了外星人的尸检照片，美国政府利用该设施检查回收的外星航天器。
Although Lazar himself was discredited, his claims spun numerous government conspiracy theories, most of which involve extraterrestrial life.
尽管拉扎尔本人受到了怀疑，但他的说法引发了许多政府阴谋论，其中大多数涉及外星生命。
According to the CIA, test flights of the U-2 and subsequent military aircraft account for many of the UFO sightings in the area.
根据中央情报局的说法，U-2和随后的军用飞机的试飞，是导致该地区许多UFO目击事件的原因。
There is no evidence of extraterrestrial contact at Area 51, or anywhere else.
没有证据表明51区或其他任何地方有外星人接触。
