SpaceX fans, get ready! A Falcon 9 rocket will blast off from Cape Canaveral, Florida, carrying 21 Starlink satellites – including 13 with Direct-to-Cell capabilities – into low-Earth orbit on Saturday.

The company plans to send its Falcon 9 rocket on a mission to deliver 21 new Starlink satellites into low-earth orbit. The satellites are used to expand Starlink’s global high-speed internet network. SpaceX said 13 will have direct-to-cell capabilities.

A National Weather Service dense fog advisory was in effect during the 5:15 a.m. EST liftoff for northern Brevard County and coastal Volusia County.