SpaceX aborted the launch of two communications satellites just before liftoff on Monday evening (July 21). A Falcon 9 rocket topped with two of SES' O3b mPOWER internet spacecraft was set to launch from Florida's Cape Canaveral Space Force Station at 5:27 p.m. EDT (2127 GMT) on Monday.

SpaceX scrubbed the launch of two O3b mPOWER satellites for Luxembourg-based SES on Monday from Cape Canaveral Space Station. The clock halted at 11 seconds.

SpaceX was set to light up the Florida skies Monday evening with the launch of SES's O3b mPOWER mission from Cape Canaveral. However, the rocket did not take flight.