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The M-1978 (Koksan) is a 170 mm self-propelled (SP) gun of North Korean design and manufacture. Very little information is available due to the secretive nature of the North Korean Government. The designations ''M-1978'' and ''Koksan'', were given to the type by American military analysts, as they first became aware of it in that year in Koksan, North Korea.〔(【引用サイトリンク】 title=M1978 Koksan 170-mm self-propelled gun )〕 What is known is that it is a 170 mm (~6.69") self-propelled gun of the open turret type. It was first seen publicly during a military parade in 1985. As least one example has been acquired by the United States. ==Development== According to Jane's, the Koksan is based on a Chinese Type 59 tank chassis. The 170 mm gun is in an open mount with no superstructure, and is stabilized when firing by two large retractable spades at the rear. The gun has a range that would allow it to strike Seoul from the Korean Demilitarized Zone. The 170 mm gun itself is a previously unknown type, possibly Russian coastal-defence or ex-naval weapon, though the Soviet/Russian navies are not known to have used this caliber intermediate between their usual 152mm and 180mm calibers. Pre-1945 German armed forces did, however, so perhaps this weapon was designed to use Soviet-supplied stocks of captured German wartime ammunition. The M-1978 version carried no on-board ammunition supply. In 1989, a new version of the Koksan appeared, that was designated the ''M-1989''. The main difference was a lengthened chassis that allows 12 rounds of ammunition to be carried. It carries a crew of four; the remaining four personal needed to man the gun ride in an accompanying ammunition and support vehicle. Unlike its predecessor, the M-1989 has occasionally been put on public display by the North Koreans during parades and news broadcasts. 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「Koksan (artillery)」の詳細全文を読む スポンサード リンク
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