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X-37B: The Air Force's Mysterious Space Plane
- May 18, 2020
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A look at the U.S. Air Force's unmanned X-37B space plane, which has flown four secret, long-duration missions in Earth orbit to date.
Cite This Article as
"X-37B: The Air Force's Mysterious Space Plane", MachPrinciple, May 18, 2020, https://machprinciple.com/post/X-37B-The-Air-Force-s-Mysterious-Space-Plane
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