SpaceX tried to fly its big rocket, Starship. It had problems. A door did not open all the way. The rocket lost control and fell into the ocean. It broke into many pieces. The boss, Elon Musk, said they learned from it. He wants to try again soon. They wanted to test how the rocket's shield works in the heat. But they could not do it. NASA wants to use this rocket to send people to the Moon.