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美国国防部正在推进中的SBR(Space Based Radar)计划由于遭受来自议会的质疑和预算削减等问题,前途未卜。 SBR计划就是希望利用多个装备雷达的卫星对地球表面进行连续不间断的覆盖监视的构想。该计划以军方和情报机构为对象,但是上述两者在卫星的所有权问题上至今存在争议,且目前该计划正面临预算削减的压力。在卫星所有权问题上,美国情报机构向议会提出比SBR应优先考虑FIA(Future Imagery Architecture)卫星群。目前,为了解决卫星所有权问题,美国已经组建了联合特别工作组。
The U.S. Defense Department's Space Based Radar (SBR) project is still under way because of questions from the parliament and budget cuts. The SBR project is a vision of continuous, continuous coverage monitoring of the Earth's surface using multiple satellites equipped with radar. The plan targets military and intelligence agencies, but both have so far been controversial over satellite ownership, and the plan is currently under budget cuts. On the subject of satellite ownership, the U.S. intelligence agency proposed to Parliament that the FSI (Future Imagery Architecture) constellation be prioritized over the SBR. At present, in order to solve the problem of satellite ownership, the United States has set up a joint task force.