SpaceX launches Falcon 9 rocket

FILE - NASA's GRACE Follow-On spacecraft launched onboard a SpaceX Falcon 9 rocket, Tuesday, May 22, 2018, from Space Launch Complex 4E at Vandenberg Air Force Base in California. Photo Credit: (NASA/Bill Ingalls)

SpaceX on Friday launched a Falcon 9 rocket with 51 Starlink satellites on board to low-Earth orbit from Vandenberg Space Force Base in California.

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