Video: Falcon 9 rocket test-fired at pad 39A (members only)

SpaceX’s billionaire founder and chief executive Elon Musk spoke with reporters just after successfully landing a Falcon 9 booster for the first time.

The first official launch weather outlook issued Tuesday by U.S. Air Force meteorologists predicts an 80 percent chance of favorable conditions for the predawn liftoff Saturday of SpaceX’s Crew Dragon spacecraft on a test flight to the International Space Station.

Watch as SpaceX test fires a Falcon 9 rocket ahead of the planned launch of 60 more Starlink satellites.