The Titan IIID or Titan 3D was an American expendable launch system, part of the Titan rocket family. Titan IIID was flown 22 times with KH-9 and KH-11 satellites between 1971 and 1982, all successful

UA120 was a family of American solid rocket boosters, manufactured by the Chemical Systems Division of United Aircraft. They were used as strap-on boosters for the Titan rocket family. Several variant