Live coverage: Ariane 5 rocket soars with Sky Muster, Arsat 2

Three of Planet’s SkySat Earth-imaging satellites are mounted on top of 58 of SpaceX’s Starlink broadband satellites for launch Saturday from Cape Canaveral on top of a Falcon 9 rocket, the first secondary payloads to ride to orbit on SpaceX’s commercial rideshare service.

A Soyuz rocket took off from French Guiana on Thursday with the SES 15 communications satellite, a craft heading for an orbit more than 22,000 miles over the equator to provide airborne wifi and aeronautical navigation services over the United States.

A United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral at 4:18 p.m. EDT (2018 GMT), following a delay of more than an hour to troubleshoot a ground hydraulics controller. The Atlas 5 launched with the U.S. military’s sixth Advanced Extremely High Frequency strategic communications satellite.