SpaceX launched another batch of Starlink satellites into orbit, a little more than 12 hours after the private company teamed up with NASA to send four astronauts to the International Space Station -- also from Florida.

Butch Wilmore and Suni Williams need SpaceX to get this relief team to the space station before they can check out.

SpaceX's Falcon 9 rocket lifted off at 7:03 p.m. ET (2303 GMT) from NASA's Kennedy Space Center in Florida carrying four astronauts who will replace Wilmore and Williams, both of whom are veteran NASA astronauts and retired U.