Two-Year Secret Space Mission Ends
Two-Year Secret Space Mission EndsByTWC - Digital•
May 8, 2017
Updated: May 8, 2017, 2:00 pm EDTPublished: May 8, 2017, 8:51 am EDTProducer Jennifer Willen describes how a mysterious U.S. space plane ended a two-year mission when it landed with a sonic boom at Cape Canaveral.
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