MMid- and long-term prospects for human spaceflightMid- and long-term prospects for human spaceflightde Vincent Sabathier · Publicada por primera vez en 2009MateriasUnited states, national aeronautics and space administrationManned space flightSpace flight to the moonSpace vehiclesGovernment policyResearchProcurementUnited States. National Aeronautics and Space AdministrationUnited States