Hawthorne-based SpaceX again postponed a planned launch of its SpaceX Falcon 9 rocket from Vandenberg Air Force Base Sunday for a mission dubbed Spaceflight SSO-A: SmallSat Express.

A post on the official SpaceX Twitter account said the delay was necessary to “conduct additional inspections of the second stage.”

A new launch window was later announced for 10:32 a.m. Monday, closing at 11 a.m.

This is the third time the launch has been postponed. The other announced delays were to accommodate additional pre-flight inspections and another due to weather.

Following separation, SpaceX will attempt to land the rocket’s first stage on a droneship stationed in the Pacific Ocean.

The latest SpaceX Falcon 9 launch had been scheduled for liftoff at 10:32 a.m. Sunday while carrying not one, not two, but 64 satellites on what was billed as a “ridesharing” mission.

Organized by Spaceflight Industries, the satellites aboard the rocket would come from 34 organizations and be released into a “sun-synchronous low Earth orbit.”

“It includes 15 microsats and 49 cubesats from both commercial and government entities, of which more than 25 are from international organizations from 17 countries, including the United States, Australia, Italy, Netherlands, Finland, South Korea, Spain, Switzerland, UK, Germany, Jordan, Kazakhstan, Thailand, Poland, Canada, Brazil and India,” according to Spaceflight Industries.

The mission is billed as the “largest dedicated rideshare mission on a U.S. launch vehicle.”

Previous SpaceX launches from Vandenberg have created impressive light shows over the Southland and the entire southwestern United States.

On Nov. 15, SpaceX launched a Qatari communications satellite into orbit from Kennedy Space Center in Florida.

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