The Chinese are also building a similar prototype, I have no problem saying we didn’t invent anything.” European aerospace firm Ariane Group and CNES , the French space agency , have teamed up to develop a reusable first stage rocket . The rocket , dubbed Themis , is based on NASA ’s Falcon 9 . The rocket will differ from a number of other reusable rocket designs in its ability to land in the same location as it launched , enabling the engine to be reused for subsequent launches , and reducing costs .
European aerospace firm Ariane Group and CNES , the French space agency , have teamed up to develop a reusable first stage rocket . The rocket , dubbed Themis , is based on NASA ’s Falcon 9 . The rocket will differ from a number of other reusable rocket designs in its ability to land in the same location as it launched , enabling the engine to be reused for subsequent launches , and reducing costs .