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2015年2月9日,防务系统网(http://defensesystems.com)刊登Kevin Mc Caney文章。文章称,全球定位系统已成为军事和民用活动的重要保障,军事行动对全球定位系统的严重依赖也使之成为敌方可能攻击的目标。这也是2月5日美国国防部颁布使用导航战指令的依据,该指令要求在导航战中提供定位、导航、授时(PNT)工具,包括提供非GPS技术的可能性。国防部首席代理信息官Terry Halvorsen要求各军种和国防部各部门开展导航战,这一举动强调了电磁频谱的重要性。2014年,国防部更新了电子战政策,要求
On February 9, 2015, the Defense Systems Network (http://defensesystems.com) featured Kevin Mc Caney’s article. The article said that the global positioning system has become an important guarantee for military and civilian activities, and the serious dependence of military operations on the global positioning system also makes it possible that the enemy may attack the target. This is also the basis on February 5 that the U.S. Department of Defense issued guidance on the use of navigational warfare, which requires positioning, navigation and timing (PNT) tools in navigational warfare, including the possibility of providing non-GPS technology. Terry Halvorsen, Defense Acting Chief Information Officer, required all services and Department of Defense departments to conduct navigational warfare, a move that underscored the importance of the electromagnetic spectrum. In 2014, the Department of Defense updated its electronic warfare policy and demanded it