Elon Musk: 'SpaceX is building floating, superheavy-class spaceports' for its Starship rocket to reach the moon, Mars, and fly passengers around Earth

· This week SpaceX posted two new jobs for "offshore operations engineers" in Brownsville, Texas.
· Elon Musk, who founded the aerospace company in 2002, all but confirmed in a tweet on Tuesday that the jobs are to help build "floating, superheavy-class spaceports" for its next-generation Starship vehicle.
· Ocean-platform...