Follow the Atlas 5 rocket’s ascent into orbit from Cape Canaveral’s Complex 41 launch pad with the U.S. Air Force’s GPS 2F-11 navigation satellite. Launch is scheduled for Friday at 12:17 p.m. EDT (1617 GMT).

A Japanese H-2A rocket soared away from a launch pad on a rocky overlook on the Pacific Ocean on Saturday, hauling into orbit the country’s third Michibiki satellite to join a constellation of navigation aids to improve positioning services across the country.

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.