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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク US-K ： ウィキペディア英語版 US-K Upravlyaemy Sputnik Kontinentalny ((ロシア語:''Управляемый Спутник Континентальный'') meaning ''Continental Controllable Satellite'') or US-K ((ロシア語:''УС-К'')) is a series of Russian, previously Soviet, satellites used to detect missile launches as part of the Oko system.〔 It consists of a constellation of satellites, usually in molniya orbits, designated under the Kosmos system. The satellites are built by the company NPO Lavochkin and are launched on Molniya-M rockets. Oko can be directly translated as the Russian word for eye. As of June 2014, only two of the eight satellites in orbit were still functional, rendering the system inoperable.〔"Russia blinded by loss of missile detection satellite", ''Moscow Times'', 26 June 2014〕 == History == US-K are the first generation of Oko satellites, the first of which was launched in 1972. The vast majority of the satellites launched (86 out of 100 as of March 2012 〔) have been US-K satellites in molniya orbits. Seven first generation satellites were launched into geosynchronous orbits, called US-KS, starting in 1975.〔 A decree of 3 September 1979 led to the creation of the second generation satellites US-KMO which had their first launch in 1991.〔 In total, 101 satellites have been launched. After the dissolution of the Soviet Union, the rate of launches decreased, but Russia remained committed to the programme. A fully functioning constellation with 5 satellites was restored in 2001, but a fire in May 2001 in the Oko control facility at Serpukhov-15 near Kurilovo outside Moscow reduced the number of operational satellites to 2.〔 A further satellite was launched in the same year. Between 2002 and 2006, there were no Oko launches, until another Oko satellite, designated Kosmos 2422, was launched in July 2006.〔 In 2006, Russia had one operational US-KMO (Kosmos 2379) satellite and four US-K satellites (Kosmos 2422, Kosmos 2393, Kosmos 2351, Kosmos 2368).〔 In June 2011, Kosmos 2422, Kosmos 2430, Kosmos 2446 and Kosmos 2469 were reported to be the only operational satellites. 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「US-K」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.