Propulsion technology refers to the methods and systems used to generate thrust and propel vehicles, particularly in aerospace applications. This includes various types of engines, such as rocket engines, jet engines, and ion thrusters, which are designed to operate in different environments, from the atmosphere to the vacuum of space. Advancements in propulsion technology are crucial for improving the efficiency and performance of vehicles. Innovations like reusable rockets and electric propulsion systems are paving the way for more sustainable and cost-effective space exploration, enabling missions to distant planets and beyond.