The countdown has begun as SpaceX is launching 45 satellites to low Earth orbit from California in the early hours of Sunday, May 3, and the mission carries more than the usual rideshare cargo. The Falcon 9 booster making this flight is one landing away from tying the company's own reuse record.

How to watch the SpaceX CAS500-2 launch live

A live webcast of this mission will begin about 15 minutes prior to liftoff, which you can watch on SpaceX's official page and........

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