Up all night with SpaceX team: Musk shares Starship progress video

Private spaceflight pioneer Elon Musk tweeted a video of his aerospace startup SpaceX's Starship rocket's tank dome production, which he called the "most difficult part of the primary structure". "Was up all night with SpaceX team working...Dawn arrives," the billionaire wrote. Notably, Musk has talked about working 80-100 hours per week on several occasions in the past.