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REACH and Iridium Launch
A SpaceX Falcon 9 rocket climbs away from Vandenberg Air Force Base on Jan. 11 carrying a final set of 10 Iridium NEXT communications satellites to orbit. Also aboard the Falcon 9 launch vehicle, the U.S. Air Force completes a set of space radiation sensors: the Responsive Environmental Assessment Commercially Hosted constellation, known as REACH. (Photo courtesy of SpaceX)

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Photo by: SpaceX |  VIRIN: 190111-F-ZZ999-101.PNG