This lecture provides an overview of space propulsion systems, focusing on their design principles and applications. The instructor introduces the course objectives, emphasizing the importance of understanding propulsion systems in the context of spacecraft design. The lecture covers various propulsion technologies, including chemical and electrical systems, and discusses the significance of project management and system engineering in the development of propulsion systems. The instructor shares personal experiences from their career in aerospace, highlighting key projects and the evolution of propulsion technologies. The course aims to equip students with the skills to analyze propulsion system requirements, coordinate engineering tasks, and justify propulsion system selections. The lecture also outlines the course structure, including assessments and project work, encouraging student engagement and feedback. The instructor expresses a desire to foster a collaborative learning environment, where students can share ideas and contribute to discussions on propulsion systems and their future developments.