Aerojet Rocketdyne is a leading provider of propulsion and energetics to the space, missile defense, and strategic systems, tactical systems and armaments areas, in support of domestic and international markets. The company has a long history of innovation and expertise in the development of advanced propulsion and energetics systems for space and missile defense applications, and has been a key supplier of missile defense interceptors since the inception of the program. Aerojet Rocketdyne is headquartered in El Segundo, California, and has operations across the United States.