Watch the Falcon 9 launch from pad 39A

The rescheduled test came a day after a launch day rehearsal with the Crew-11 astronauts and cosmonaut in the loop, referred to as a dry dress rehearsal. The Crew-11 launch is currently scheduled for Thursday, July 31 at 12:09 p.m. EDT (1609 UTC).

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.

A United Launch Alliance Atlas 5 rocket, flying in its basic two-stage configuration with no strap-on solids, was stacked aboard a mobile launch platform at Cape Canaveral’s Vertical Integration Facility on Feb. 22 and 23 in preparation to send Orbital ATK’s S.S. John Glenn cargo ship into orbit for the International Space Station.