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当今世界没有哪一个国家像美国这样依赖空间系统,这既使得美国强大,也使其变得脆弱,美国空军官员将太空喻为美国的“阿喀琉斯之踵”。近年来,随着国际环境的变化,美国调整了太空对抗的发展重点,空间态势感知与空间防御成为美国空间对抗的发展重点。同时,美国大力发展以卫星防护和对抗反卫星武器为重点的“太空反制”战略。这其中,卫星的防护成为美国最为关心的太空问题之一。
No country in the world today relies on space systems as the United States relies on such a space system. This makes the United States both powerful and vulnerable, and Air Force officials have metaphorically translated space as America's Achilles heel. In recent years, with changes in the international environment, the United States has adjusted its development focus of space confrontation. Space situational awareness and space defense have become the focus of development in space confrontation in the United States. In the meantime, the United States has made vigorous efforts to develop a “space countermeasure” strategy focusing on satellite protection and anti-satellite anti-satellite weaponry. Among these, satellite protection has become one of the most concerned space issues in the United States.