SpaceX has invested $2 billion in Elon Musk’s AI venture xAI, according to The Wall Street Journal. The investment makes up nearly half of the company's recent $5 billion equity round. The investment marks SpaceX’s first capital infusion into xAI and one of its largest into another firm,

A successful mission would show real progress in Starship’s reusability and overall system reliability—two things critical to SpaceX’s long-term plans.