A SpaceX Falcon 9 rocket launched from Vandenberg Space Force Base in March of this year, carrying multiple Starshield satellites into orbit. National Reconnaissance Office/NRO via X hide caption toggle caption National Reconnaissance Office/NRO via X A constellation of classified defense satellites built by the commercial company SpaceX is emitting a mysterious signal that may violate international standards, NPR has learned. Satellites associated with the Starshield satellite network appear ...