SpaceX is aiming for liftoff of its Falcon 9 rocket early Tuesday morning. The vehicle will send 21 Starlink satellites, including 13 with direct-to-cell capabilities, into low-Earth orbit. The satellites are used to increase the company’s internet capability to locations around the globe.

The Falcon 9 rocket will take flight from Launch Complex 40, carrying a batch of 21 Starlink internet satellites into low-Earth orbit. Backup launch opportunities are available until 6:24 a.