The rocket, a reaction-propulsion device that carries all of its propellants internally, has been around for almost a millennium since its invention in China around the year 1000. But the twentieth-century saw a technological explosion of new rocket-propulsion systems, using both solid and liquid propellants. Within a couple of decades, rockets and missiles had begun to alter the course of the twentieth-century. With their emergence, nations began to create new weapons, but the technology also made the dream of spaceflight a reality. Explore the world's best collection of rockets and missiles, hear from our experts, and plan a visit to see our artifacts in person.