View Full Version : Air Force X-37B Spaceplane Launches on May 20 with Military, NASA and LightSail Paylo

2015-May-19, 02:20 PM
All systems are currently “GO” for the fourth launch of the US Air Force’s secretive unmanned, X-37B military space plane this Wednesday, May 20, on a flight combining both US national security experimental payloads as well as civilian science experiments sponsored by NASA, US Universities, commercial companies, and the solar sailing LightSail from the Planetary […]

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