This is a clear proof for an unknown spacecraft in earth orbit. The STS 114 UFO, filmed during STS 114 mission by space shuttle discovery crew, NASA, 2005, .\r
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Clipper - The best UFO Proof ever The STS 114 UFO (NASA, 2005)\r
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Dark Secrets in History.\r
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See more of NASAs UFO leaked videos: Caught on tape by NASA, you can clearly see a UFO moving .