Live coverage: Two satellites lift off aboard Ariane 5

The U.S. military’s next GPS navigation satellite was ready for launch from Cape Canaveral at 9:43 p.m. EDT Friday (0143 GMT Saturday) aboard a SpaceX Falcon 9 rocket. But SpaceX aborted the countdown just two seconds prior to liftoff.

Veteran Russian commander Oleg Novitskiy, rookie flight engineer Pyotr Dubrov, and NASA astronaut Mark Vande Hei launched into orbit Friday from the Baikonur Cosmodrome in Kazakhstan at 3:42 a.m. EDT (0742 GMT). The crew members rode a Soyuz capsule in pursuit of the International Space Station, where docking occurred at 7:05 a.m. EDT (1105 GMT).

An Ariane 5 rocket and four Galileo navigation satellites launched from French Guiana at 1125 GMT (7:25 a.m. EDT), beginning a four-hour climb into orbit more than 14,000 miles above Earth.