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美国小型洲际导弹(SICBM)为三级固体推进的机动导弹.全长13.41m,重15000kg,直径为120.65cm.美国空军就该导弹的研制分别与国家宇航公司签定了六个合同.导弹的第一级固体发动机,静态点火试验已于1986年4月5日获得成功,试验情况与预计的基本相符.第二级固体发动机已由战略空气喷气推进公司在1985年2月进行了试验.飞行时间为41s,推力182450N,发动机采用石墨纤维壳体,碳-碳喷管材料及新型内绝热层.
The U.S. small-sized intercontinental missile (SICBM) is a three-stage solid-propelled mobile missile with a total length of 13.41m and a weight of 15000kg and a diameter of 120.65cm. The U.S. Air Force has signed six contracts with National Aerospace Corporation for the development of the missile. The first-stage solid-state engine, the static ignition test, was successfully completed on April 5, 1986. The second-stage solid-state engine was tested by Strategic Air Jet Propulsion Company in February 1985. Flight Time is 41s, thrust 182450N, the engine uses graphite fiber shell, carbon-carbon nozzle material and a new type of internal insulation.