4K Video: Watch the Falcon 9 test fire its 1st stage engines (members only)

The mission to the orbiting outpost featured three NASA astronauts and a Russian cosmonaut who will spend roughly 180 days on the space station. Liftoff occurred at 10:53 p.m. EST (0353 UTC) from Launch Complex 39A at NASA’s Kennedy Space Center.

Boeing’s Starliner crew capsule could take off in October on its first unpiloted test flight to the International Space Station, a company official said recently, while SpaceX finishes up the investigation into the explosion of its Crew Dragon spacecraft during a ground test earlier this year.

Boeing and SpaceX are readying for launch abort tests in the coming weeks to validate the crew escape systems for the new human-rated Starliner and Crew Dragon spaceships, now scheduled to begin ferrying astronauts to the International Space Station in the first half of next year.