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GPS IIF-5
联合发射联盟 (ULA) · Delta IV M+(4,2) · 37B 号发射工位 (SLC-37B)
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任务简介
GPS Block IIF（或称GPS IIF）是一种过渡型GPS卫星，用于维持Navstar全球定位系统的运行，直至GPS Block IIIA卫星投入使用。该卫星由波音公司制造，由联合发射联盟使用渐进一次性运载火箭发射后，由美国空军运营。
原文
GPS Block IIF, or GPS IIF is an interim class of GPS satellite, which will be used to keep the Navstar Global Positioning System operational until the GPS Block IIIA satellites become operational. They are being built by Boeing, and will be operated by the United States Air Force following their launch by United Launch Alliance, using Evolved Expendable Launch Vehicles.
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