The three astronauts and one cosmonaut will spend roughly six months onboard the International Space Station. Launch is scheduled for no earlier than Oct. 1.

For the third time in three weeks, SpaceX is preparing to launch a batch of satellites for the company’s Starlink Internet network from Florida’s Space Coast. Liftoff of a Falcon 9 rocket is set for Thursday afternoon from pad 39A at NASA’s Kennedy Space Center in Florida, weather permitting.

Rocket Lab plans to launch a research and development microsatellite mission for the U.S. Air Force in the first half of 2020 on the the first flight from the company’s new launch facility on Virginia’s Eastern Shore, officials announced Thursday.