Live coverage: SpaceX Falcon 9 launches

On its first launch of the year, a Russian-made Proton rocket lifted off Thursday from the Baikonur Cosmodrome in Kazakhstan with a French-built, Russian-owned communications satellite.

After a quarter-century readying Global Positioning System satellites for launch at a Cape Canaveral Air Force Station processing hub, the final bird rolled out Saturday as the navigation program transitions to a new era.

SpaceX scrubbed the planned launch from the Kennedy Space Center of a Falcon 9 rocket Friday with the company’s next 57 Starlink Internet satellites and a pair of commercial Earth-imaging surveillance satellites. Officials did not immediately confirm a new target launch date.