SpaceX will launch Starship, the world's largest rocket, on critical Flight 13 test today. Here's what to expect. SpaceX's Starship megarocket will take to the skies again today (July 16), and you can watch the thundering action live. Starship, the biggest and most powerful rocket ever built, is scheduled to lift off from SpaceX's Starbase site in South Texas today — the 57th anniversary of the la...