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The National Reconnaissance Office (NRO) is one of the 17 U.S. intelligence agencies and considered, along with the Central Intelligence Agency (CIA), National Security Agency (NSA), Defense Intelligence Agency (DIA), and National Geospatial-Intelligence Agency (NGA), to be one of the "big five" U.S. Intelligence agencies.〔(Intelligence Agencies Must Operate More Like An Enterprise )〕 The NRO is headquartered in unincorporated Fairfax County, Virginia,〔"(Contact the NRO )" ((Archive )). "National Reconnaissance Office Office of Public Affairs 14675 Lee Road Chantilly, VA 20151-1715"〕 2 miles (3 km) south of Washington Dulles International Airport. It designs, builds, and operates the Reconnaissance satellites of the United States government, and provides satellite intelligence to several government agencies, particularly signals intelligence (SIGINT) to the NSA, imagery intelligence (IMINT) to the NGA, and measurement and signature intelligence (MASINT) to the DIA.〔(【引用サイトリンク】title=The Evolving Role of the NRO )〕 The Director of the NRO reports to both the Director of National Intelligence and the Secretary of Defense〔Official NRO Fact Sheet via http://www.nro.gov, accessed March 2012〕 and serves as Assistant Secretary of the Air Force (Intelligence Space Technology). The NRO's federal workforce consists primarily of Air Force, CIA, NGA, NSA, and Navy personnel.〔(Career Opportunities )〕 A 1996 bipartisan commission report described the NRO as having by far the largest budget of any intelligence agency, and "virtually no federal workforce", accomplishing most of its work through "tens of thousands" of defense contractor personnel.〔(【引用サイトリンク】title=Preparing for the 21st Century: An Appraisal of U.S. Intelligence, Chapter 13 – The Cost of Intelligence )〕 ==Mission== The National Reconnaissance Office (NRO) develops and operates space reconnaissance systems and conducts intelligence-related activities for U.S. national security.〔(Center for the Study of National Reconnaissance: Bulletin, Combined 2002 Issue, pg 5 )〕 It also coordinates collection and analysis of information from airplane and satellite reconnaissance by the military services and the Central Intelligence Agency.〔"(NRO Provides Support to the Warfighters )", National Reconnaissance Office, press releases, April 28, 1998.〕 It is funded through the National Reconnaissance Program, which is part of the National Intelligence Program (formerly known as the National Foreign Intelligence Program). The agency is part of the Department of Defense. The NRO works closely with its intelligence and space partners, which include the National Security Agency (NSA), the National Geospatial-Intelligence Agency (NGA), the Central Intelligence Agency (CIA), the Defense Intelligence Agency (DIA), the United States Strategic Command, Naval Research Laboratory and other agencies and organizations. It has been proposed that the NRO share imagery of the United States itself with the National Applications Office for domestic law enforcement. The NRO operates ground stations around the world that collect and distribute intelligence gathered from reconnaissance satellites. According to ''Asia Times Online'', one important mission of NRO satellites is the tracking of non-US submarines on patrol or on training missions in the world's oceans and seas.〔''Asia Times Online'', "US Satellites Shadow China's Submarines", May 13, 2010.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「National Reconnaissance Office」の詳細全文を読む スポンサード リンク
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