Tech billionaire Elon Musk's dream of gaining city status for his SpaceX spaceport in the southern US state of Texas became a reality on Saturday, when voters overwhelmingly backed turning his Starbase into a new municipality.

Now, a new Musk project is on the brink of victory: an election Saturday to officially turn a small patch of coastal South Texas — home to his rocket company SpaceX — into a city known as Starbase.