Live coverage: Soyuz crew arrives at International Space Station

The four members of the SpaceX Crew-11 flight were previously set to fly on different missions before they ended up as a quartet on the Dragon Endeavour spacecraft. Liftoff of the Falcon 9 rocket from pad 39A at NASA’s Kennedy Space Center is scheduled for no earlier than Friday, Aug. 1, at 11:43 a.m. EDT (1543 UTC).

A Brazilian television broadcasting satellite and Europe’s next weather observatory packaged atop an Ariane 5 rocket lifted off at 2142 GMT (5:42 p.m. EDT) Wednesday from Kourou, French Guiana.

Boeing engineers have completed hotfire testing on a flight-like model of the Starliner crew capsule, clearing a major hurdle before a pad abort test and a demonstration flight to the International Space Station later this summer, Boeing announced Friday.