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ORP ''Kaszub'' is a corvette of the Polish Navy, in service since 1987,〔( Data from official Polish Navy website )〕 the sole ship of the Project 620 class. She was the first ocean-going warship built in Poland. As of 2012 she is in active service.〔''The Military Balance 2008'',International Institute for Strategic Studies. ()〕 The work on her design began in 1971, but the construction of the first ship started only in 1984, being laid down at Stocznia Północna (Northern Shipyard), Gdańsk on 9 June 1984. ''Kaszub'' was launched on 11 May 1986,〔 but was found to have a warped hull and propeller shafts, which required repair.〔 When the ship commissioned on 15 March 1987,〔 ''Kaszub'' was not fitted with much of the planned armament, with a 9K33 Osa (NATO codename SA-N-4 ''Gecko'') surface-to-air missile launcher being omitted because of its unreliability on small, high speed ships, while the ship's main gun armament was absent because of stability problems.〔Gardiner and Chumbley 1995, p. 312.〕 Originally it was planned to build 7 ships of this class, but in the end only one was constructed.〔 At first, ''Kaszub'' saw little operational use, being loaned to the Polish Border guard from 1990 to January 1991. In September 1991, the ship was fitted with a AK-176 gun turret forward〔 ==References== * * * 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「ORP Kaszub (1987)」の詳細全文を読む スポンサード リンク
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