UA1200

thumb|upright=1.3|Schematic of the UA1205 and UA1207 boosters UA120 was a family of American solid rocket boosters, manufactured by the Chemical Systems Division of United Aircraft (later United Technologies Corporation). They were used as strap-on boosters for the Titan rocket family. Several variants existed, with a varying number of segments.

==Design== All versions of UA120 shared a common design, with the only significant differentiating factor being the length of the motor. It was a segmented design, with between five and seven motor segments possible. A solid propellant used was a ammonium perchlorate composite propellant with polybutadiene acrylonitrile (PBAN) binder. The stage had an external diameter of 120 inches.