Photos: More Launch shots of Delta 375 rocket

SpaceX tested astronaut slidewire escape baskets and fire suppression capabilities Friday at launch pad 39A in Florida, demonstrating systems that would be activated in the event of an emergency before liftoff of a crewed mission.

Launching into a sun-splashed summertime afternoon sky, a previously-flown SpaceX Falcon 9 rocket climbed into orbit from Florida’s east coast Friday with a U.S.-built, Bulgarian-owned television broadcasting satellite.

SpaceX launched 60 more Starlink satellites Wednesday into a sunny sky over Florida’s Space Coast, adding more capacity and coverage to the company’s commercial broadband network while setting new records for the pace it is reusing Falcon 9 rocket boosters.