Live coverage: Atlas 5 countdown and launch journal

United Launch Alliance’s next Atlas 5 rocket moved to its launch pad Wednesday at Cape Canaveral, taking position for liftoff with the U.S. military’s sixth and final Advanced Extremely High Frequency secure communications satellite.

Follow the key events of the Falcon 9 rocket’s ascent to orbit with the fourth set of 10 next-generation satellites for Iridium’s voice and data relay fleet.

Launch facilities at Cape Canaveral were spared any significant damage as Hurricane Dorian churned northward off Florida’s east coast earlier this week, and employees at the spaceport resumed their normal work Friday.