A not-for-profit company, The Aerospace Corporation provides space-related research, development, and advisory services, primarily for US government programs. Its chief sponsor is the US Air Force, and its main customers have included the Space and Missile Systems Center of Air Force Space Command and the National Reconnaissance Office. Other clients have included NASA and the National Oceanic and Atmospheric Administration, as well as commercial enterprises, universities, and international organizations. Areas of expertise include launch certification, process implementation, systems engineering, and technology application. The Aerospace Corporation was established in 1960 and operates through about 20 offices.