Spaceflight NowSpaceX closes out year with successful GPS satellite launch – Spaceflight NowDec 23, 2018Stephen ClarkBy Stephen Clarkbookmark_bordersharemore_vert
Space.comSpaceX Launches Super-Accurate Next-Gen GPS Satellite for US Air ForceDec 23, 2018Mike WallBy Mike Wallbookmark_bordersharemore_vert