Video: Falcon 9 test-fired before space station cargo launch (members only)

SpaceX delivered 56 more Starlink internet satellites into the company’s global internet constellation after liftoff of a Falcon 9 rocket from Cape Canaveral Wednesday, bringing the total number of Starlinks launched to 4,217 spacecraft.

SpaceX’s 40th launch of the year sent another batch of 52 Starlink internet satellites into orbit from Cape Canaveral early Monday aboard a Falcon 9 rocket.

A slide wire escape system has been undergoing tests at launch pad 39A at the Kennedy Space Center in readiness for the first SpaceX Crew Dragon flight to carry astronauts to the International Space Station.