By Sarah Zhang

For nearly two years, the Air Force’s X-37B autonomous space plane has been circling around the Earth doing who knows what. Now it’s finally …

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/Bnxjs2H-Yb0/the-air-forces-mysterious-spy-plane-is-landing-after-2-1645908020