Ares V
Development of the rocket and its Earth departure stage was led by NASA's Marshall Space Flight Center. NASA's Ames Research Center was responsible for the Ares V integrated health management system supports in developing its payload shroud. Glenn Research Center led the development of the lunar lander ascent stage as well as Ares V power system, thrust vector control system and payload shroud. Langley Research Center had a lead role in researching Ares V aerodynamics.