GPS
ULA scrubs Atlas 5 launch as SpaceX readies repaired rocket for GPS mission
United Launch Alliance called off the planned launch of an Atlas 5 rocket Wednesday at Cape Canaveral to resolve a problem with valves at the launch pad, while a SpaceX team a mile-and-a-half to the south readied a Falcon 9 rocket for liftoff Thursday evening with a GPS navigation satellite for the U.S. military.
SpaceX crew launch delayed to assess Merlin engine concern
NASA said Saturday that the launch of four astronauts on SpaceX’s first operational Crew Dragon mission to the International Space Station has been delayed from Oct. 31 until “no sooner than early-to-mid November,” allowing time for SpaceX to resolve an issue with Falcon 9 rocket engines that halted a recent launch attempt with a GPS navigation satellite.
Space Force announces new nicknames for GPS satellites
The Space Force says it changed the nickname of a GPS navigation satellite launched in June from Columbus to instead honor Matthew Henson, a Black explorer on the first expedition to the North Pole more than a century ago, “to acknowledge a fuller history of courageous explorers and pioneers.” The military’s next GPS navigation satellite, set for launch Friday night, is nicknamed Sacagawea.
U.S. military to use previously-flown SpaceX rockets beginning next year
The U.S. Space Force says it will launch two GPS navigation satellites on reused Falcon 9 boosters next year through a restructured contract with SpaceX that saved taxpayers $52 million, the first time the military has agreed to fly operational national security payloads on previously-flown rockets.