Safety officials finally have a good idea of what a big rocket explosion can do

SpaceX is developing Starship launch infrastructure at Pad 37 and Pad 39A, also used by the company’s Falcon Heavy rocket. SpaceX launches Falcon 9s from Pad 40. United Launch Alliance flies Vulcan and Atlas V rockets from Pad 41, and Blue Origin has based its New Glenn rocket at Pad 36. Stoke and Relativity are building pads between Pad 36 and Pad 37. …