SpaceX CEO Elon Musk took to X on Thursday night to explain what his company believes may have caused part of the Starship rocket to experience a "rapid unscheduled disassembly."

The seventh test flight of SpaceX’s Starship ended with a successful landing of the rocket’s first stage but also the loss of the Starship vehicle

Elon Musk is expected to speak at a Make America Great Again Victory Rally in Washington, D.C. He previously has delivered remarks at other President-elect Donald Trump events, including a campaign rally at Madison Square Garden.

Many budget hawks have tried and failed to streamline the government and reduce gigantic annual deficits. Musk's efficiency commission will only succeed if forces a reluctant Congress to finally act.