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美国空军已选择ＳｐｅｃｔｒｕｍＡｓｔｒｏ公司和ＴＲＷ公司负责设计“低轨天基红外系统”（ＳＢＩＲＳ－Ｌｏｗ），但此次投标未中鹄的洛克希德－马丁公司并未完全失望，它在今后３年内仍有机会参加建造ＳＢＩＲＳ－Ｌｏｗ导弹预警卫星系统的竞争。以ＳｐｅｃｔｒｕｍＡｓｔ
The US Air Force has chosen Spectrum Astro and TRW to design the SBIRS-Low, but Lockheed Martin, which was not successful in this bid, has not been completely disappointed. It will remain in the next three years. Have the opportunity to participate in the competition for building the SBIRS-Low Missile Early Warning Satellite System. With SpectrumAst