Aerospace services encompass a range of activities related to the design, development, and maintenance of aircraft and spacecraft. This includes engineering services, manufacturing, and testing, ensuring that vehicles meet safety and performance standards. Companies in this sector often work with both commercial and military clients. Additionally, aerospace services involve support functions such as flight operations, logistics, and training. These services help ensure that aircraft and spacecraft are operated efficiently and safely. Organizations like NASA and Boeing are key players in providing these essential services to the aerospace industry.