A SpaceX Falcon 9 rocket launched a Crew Dragon spacecraft on the program’s ninth flight with astronauts. The Falcon 9’s first stage booster landed on a drone ship in the Atlantic Ocean. NASA astronauts Stephen Bowen, Warren “Woody” Hoburg, UAE astronaut Sultan Al Neyadi, and Russian cosmonaut Andrey Fedyaev launched on the Crew Dragon spacecraft to begin a six-month expedition on the International Space Station. The Crew Dragon will return to a splashdown at sea. Delayed from Feb. 19 and Feb. 26. Scrubbed on Feb. 27 due to a concern with the TEA-TEB ignition system. Read our full story.