Video: Falcon 9 rocket lifts off from pad 39A (members only)

The capsule flying the Ax-4 mission was originally set to launch in support of the Crew-10 mission to the ISS, which launched in mid-March.

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.

Vaulting away from Cape Canaveral on an unusual southerly trajectory, a Falcon 9 rocket dodged stormy weather and successfully placed an Argentine radar observation satellite into an orbit over Earth’s poles Sunday on SpaceX’s 100th launch.