No crashed alien craft have ever been produced by anyone, inside or outside government.

没有一个官方或非官方人员提能供出撞毁的外星的飞船残骸。

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As with most apparent alien craft sightings, the quality of the footage and picture is poor, and the shape or size of the object is difficult to work out.

就和大多数较明显的外来飞行物目击事件一样，拍摄的视频和图像都不清晰，飞行物的形状和大小也难以辨认。

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Amidst the rumors of an alien craft crashing down on Monte Grande, or that a gigantic fireball was seen by several witnesses, investigators have not yet found any evidence of a crater.

在谣言当中外星飞航坠毁在蒙特·格兰德镇，或者是一个巨大的火球被一些目击者看到的情况，调查人员都没有找到任何的弹坑的证据。

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He has told the BBC he was on a "moral crusade" to prove US intelligence had found an alien craft run on clean fuel.

BBC: Computer hacker Gary McKinnon 'is facing a US trial'

And so, in due course, the alien craft arrive: tetchy pilotless drones in the shape of pizzas, from which individual slices peel off to launch spicy, deep-crust attacks on defenseless mortals.

NEWYORKER: Out There

These efforts are notable because so few other attempts have been made to craft a message to alien civilizations.

FORBES: How To Talk To Aliens