Live coverage: SpaceX supply ship returns to Earth

The U.S. Defense Department’s internal watchdog has opened a probe into whether the Pentagon’s contracts with United Launch Alliance were properly awarded after a former ULA executive implied the government rigged a recent procurement in favor of the company.

SpaceX scrubbed a launch Thursday to investigate a “tiny glitch” in an upper stage engine actuator on the company’s Falcon 9 rocket, delaying liftoff from Florida of a Thai communications satellite at least 24 hours.

SpaceX launched two Falcon 9 rockets in a span of a little more than four hours Friday, a record-setting day that began with the launch of 52 Starlink internet satellites from California and ended with the sunset liftoff of two SES television broadcast payloads from Florida.