“GPIM is the result of excellent teamwork between NASA, Ball Aerospace, the Air Force and Aerojet Rocketdyne to develop an American-made green propellant propulsion system that can be used for multiple applications,” said Eileen Drake, CEO and president of Aerojet Rocketdyne. “The spacecraft delivery marks the success of more than 10 years of research and development, and we are honored to have contributed toward engine and system technology that has resulted in a highly capable system.”