Abstract:

Under the strategy of great power competition， the United States has continuously promoted the development and reform of missile defense， and take multiple actions rapidly promoted the construction of missile defense system for great power rivals， such as issued a series of strategic plans， issued a new system architecture， formulated future development routes， carried out complex flight tests. By adjusting development strategy， developing advanced technologies， expanding development space， the United States is constantly strengthening its domestic and regional missile defense system， and seeking to quickly develop a comprehensive missile defense capabilities.

Key words: the United States, missile defense, great power competition, system architecture, development trend

摘要：

大国竞争战略下，美国持续推动导弹防御的发展变革，出台系列战略规划、发布新版体系架构、制定未来发展路线、开展复杂飞行试验等，快速推动面向大国对手的导弹防御体系建设。通过调整发展战略、布局先进技术、扩展发展空间等举措，美国持续强化本土和区域导弹防御系统，谋求形成全面的导弹防御能力。

关键词: 美国, 导弹防御, 大国竞争, 体系架构, 发展趋势