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战术卫星(TACSAT)又称轻型卫星(Lightsat)、廉价卫星(Cheapsat)、小型卫星(Smallsat),它因反应迅速、发射有效性高、简便、存储时间长、坚固、价格便宜而越来越受到美国海、陆、空等军种以及国防预研规划局(DARPA)的重视。美空军空间司令部的一位高级官员戴维斯说,“战术卫星比战略卫星更容易发射到空间,能执行可信赖的使命。它具有野战发射的能力,控制和操作简单,不受地震等灾害的影响。”美空军将更多地参与DARPA和有关机构研制TACSAT
TACSAT, also known as Lightsat, Cheapsat and Smallsat, is increasingly being used due to its rapid response, high launch efficiency, long storage time, ruggedness and low price. U.S. maritime, land and air services, as well as the Defense Advanced Research Projects Agency (DARPA). Davis, a senior official at the US Air Force Space Command, said: “Tactical satellites launch space more easily than strategic satellites and perform credible missions. They have the capability of field launch, are easy to control and operate, and are immune to earthquakes, etc. Disaster impact. ”The U.S. Air Force will participate more in DARPA and related agencies in the development of TACSAT