The mission came a little more than 12 hours after SpaceX performed a static fire test of the rocket Monday night. Liftoff of the Starlink 10-5 mission happened at 9:20 a.m. EDT (1320 UTC).
The booster will first launch the Starlink 10-5 mission no earlier than the morning of Tuesday, Aug. 20. The static fire test happened Monday evening shortly after 7 p.m. EDT (2300 UTC).