现代浮空器在军事应用中最成熟、最普遍的是系留气球。本文介绍了系留气球相对于其他飞行器的优势，梳理了系留气球在军事应用中的主要作用，列举国外典型的系留气球系统；对系留气球的生存能力进行评估，分析了国外平流层飞艇在军事应用中的现状，最后对浮空器进行展望。
Tethered aerostat systems are the very most important lighter-than-air vehicles in modern military applications. They have a number of advantages, such as wide coverage, long battery life, sustainable monitoring, low cost and so on. Besides, they have a better ability to survive than other aero craft in the sense of attack resistance and wind resistance. Tethered aerostat systems mainly perform uninterrupted ISR, communication relay and radar warning tasks. Some typical tethered balloon systems are also introduced, such as RAID, PGSS, PTDS, REAP, MARTS and JLENS. The stratosphere airships have potential value in military applications, but no countries have so far had mature engineering applications. In the near future, they will be the king of next generation of lighter-than-air craft in military applications.
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