Facebook. Advances, pictures, details, comments: https://www.facebook.com/orbiterfilmmaker The Boeing X-37, also known as the X-37 Orbital Test Vehicle (OTV)...
Secret Missions of the X-37B
Launch of X-37B Mini Space Shuttle on OTV-3 Mission
X-37 ALTV Test Flight (2010)
Secret X-37B Spaceplane's Mystery Mission!
X-37B Die Entwicklung
X-37B SHUTTLE DISAPPEARS!
X-37B: Secret space plane
The Boeing X-37B lands following 2nd Space Flight
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