Armstrong and his crew are treated to views of huge alien spacecraft surrounding their landing site.

阿姆斯特朗和他的组员在降落点﹐看到了围绕着的巨大的飞碟。

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Find a propulsion signature from an alien spacecraft: Hey, if it worked for the Vulcans in Star Trek, why not us?

找外星飞船推进的痕迹：嘿，如果它是《星际迷航》中伏尔甘星人制造的，我们怎么会找不到呢？

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Hawking's main concern was that a fleet of alien spacecraft could turn up wanting to strip mine the Earth for its bountiful resources.

霍金的主要忧虑是一队外星人飞船舰队可能会突然出现，想要将地球上储量丰富的矿藏洗劫一空。

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Nukes could be used against alien spacecraft in orbit, or in the atmosphere, or against alien raiders and bases on the ground.

FORBES: Why Don't We Nuke the Aliens in Xcom?

Exhausted after cycling 1, 259 miles in 83 hours as part of an endurance challenge called the Race Across America, he becomes convinced that the motorhome carrying his support team is actually an alien spacecraft, and that his team's pleas for him to come inside and get some rest are merely a cunning pretext to get him to co-operate with a spot of alien probing.

ECONOMIST: A medley of aliens and conspiracy theories

The memo is part of a cache of hundreds of pages of accounts under the heading "Unexplained Phenomenon, " describing claims of UFO sightings, spacecraft debris and alien landings.

CNN: FBI's 'flying saucers' online memo intrigues public