布什新政府一上台 ,不顾国际社会和俄罗斯等国的强烈反对 ,坚持部署ＮＭＤ系统。美国研究和部署ＮＭＤ系统由来已久 ,布什政府在其前任的基础上 ,更有所发展。美国曾于 1999年 10月 2日和2 0 0 0年 1月 18日 ,进行了ＮＭＤ系统的 2次导弹拦截试验 ,并于 2 0 0 0年 7月 8日和 2 As soon as the new Bush administration took the stage, despite the fierce opposition from the international community and from Russia and other countries, it persisted in deploying the NMD system. The United States has a long history of studying and deploying the NMD system. The Bush administration has made further progress on the basis of its predecessor. The United States conducted two missile interception tests on the NMD system on 2 October 1999 and 18 January 2000 and conducted two missile interdiction tests on July 8, 2000 and February 2, 2000