ULA's Delta 4 Heavy down to final five missions SpaceNewsSpaceX Falcon 9’s next major US Air Force launch slips into early 2020 ahead of busy Q4 TeslaratiSecond GPS III Space Vehicle 'Magellan' Launch Set for Aug. 22 Inside GNSSULA's last Delta 4-Medium rocket set for launch Thursday Spaceflight NowAir Force Magazine Air Force MagazineView full coverage on Google News