The Pentagon's experimental unmanned space plane, the X-37B, just broke a record after orbiting the planet for 719 days straight. But what's it doing up there?
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![]() The Pentagon's experimental unmanned space plane, the X-37B, just broke a record after orbiting the planet for 719 days straight. But what's it doing up there? No comment yet.
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if we now know about this - logically, there would be a bunch more we don't know about....
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