After soaring skyward due east, the rocket's first-stage booster landed aboard SpaceX's drone ship Just Read the Instructions ...

Live updates from the July 22 SpaceX SES O3b mPOWER satellite mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

SpaceX got to within 15 seconds of a launch from Cape Canaveral on Monday, but a “hold, hold, hold” call from among the mission control team members forced an abort.