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Transit 1B

美国空军 · 雷神 DM-21 Able-Star · 17B 号发射工位 (SLC-17B)

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任务简介

Transit系统是首个投入运行的卫星导航系统。该系统主要由美国海军使用，为其北极星弹道导弹潜艇提供精确的位置信息，同时也被海军水面舰艇用作导航系统，并用于水文测量和大地测量。

原文

The Transit system was the first satellite navigation system to be used operationally. The system was primarily used by the U.S. Navy to provide accurate location information to its Polaris ballistic missile submarines, and it was also used as a navigation system by the Navy's surface ships, as well as for hydrographic survey and geodetic surveying.

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