Area 51 staff had to regularly interrupt such tests and hurry prototypes into "hoot-and-scoot sheds", lest they are detected by Soviet spy satellites.

51区的工作人员不得不经常中断这种测试，匆忙地将这些样机送到“紧急藏身处”，以免它们被苏联间谍卫星发现。

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The sign above states that deadly force can be used if people enter the Area 51 zone.

上图声明，如果进入51区将会受到致命攻击。

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Hook: Found footage unspools mysterious events. Extraterrestrials and Area 51 are involved.

看点：旧胶片风格、神秘事件、外星人、51区。

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"And,with that,we operated in 14 affected countries throughout the Indian Ocean area, built 51,000 permanent houses, in Indonesia,"

VOA: standard.2009.12.26

The tour is near a military base known as Area 51, which is the site of several UFO sightings.

WSJ: Aliens, Dinosaurs and Colonial History: Geotours Across North America Draw the Cache-Mad

The well-designed and compelling museum has a vast mix of artifacts and interactive displays, with a special exhibit on another Nevada desert intrigue, Area 51.

FORBES: New and Quirky Museums

As its name implies, the primary concern of this Web site is what is -- or isn't -- going on at Area 51, a classified military base north of Las Vegas.

CNN: The Internet: the final frontier for space watchers