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NPP Spacecraft
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NPP Spacecraft

January 15, 2013
In a clean room inside the Astrotech Payload Processing Facility at Vandenberg Air Force Base in California, Ball Aerospace technicians rotate NASA’s National Polar-orbiting Operational Environmental Satellite System Preparatory Project (NPP) spacecraft into the vertical position during a solar array frangible bolt pre-load verification test. Image credit: NASA/30th Communications Squadron, VAFB Sept. 8, 2011