海湾战争以后,美国认为当前对它最现实的威胁是第三世界国家的战区和战术弹道导弹(TBM),尤其是装有具有大规模杀伤弹头(生物弹头、化学弹头和核弹头)的 TBM。因此,近几年来美国弹道导弹防御的重点转向战区和战术弹道导弹防御(TBMD),特别是重点发展一种具有高空和低空两层拦截弹的 TBMD,这就是先进的分层防御的反战区和战术弹道导弹系统(ATBMS)。一、战区高空区域防御(THAAD)分系统 After the Gulf War, the United States believed that the current most immediate threat to it was the Theater Zone and Tactical Ballistic Missile (TBM) in Third World countries, especially TBMs equipped with mass destruction (warheads, chemical warheads and nuclear warheads). In recent years, therefore, the focus of U.S. ballistic missile defenses has shifted to theater of war and tactical ballistic missile defense (TBMD), with a particular emphasis on the development of a TBMD with upper and lower level interceptor shells, which is the advanced anti-war zone of layered defense And tactical ballistic missile system (ATBMS). First, the Theater Area Defense (THAAD) subsystem