首先详细介绍了美国弹道导弹防御系统的组成与发展现状,然后简要分析了影响、制约美国弹道导弹防御发展的多种因素,最后对美国在弹道导弹防御领域的近期动向进行了归纳总结,并展望了今后的发展趋势。 First of all, the composition and development status of the ballistic missile defense system in the United States were introduced in detail. Then, a variety of factors that affected and restricted the development of the U.S. ballistic missile defense were briefly analyzed. Finally, the recent developments of the U.S. in ballistic missile defense were summarized and discussed. The future development trend.