法国于1963年5月开始研制固体潜地导弹,先后制成功M1、M2、M20和M4四种型号。 M4导弹从1975年开始研制,1980年11月18日在朗德试验中心进行首次陆上发射飞行试验,1982年3月10日在“电鳗”号弹道导弹试验艇上进行首次水下发射飞行试验,从1980年11月开始至1984年2月结束共进行14次飞行试验,其中13次均获得成功。1985年4月开始装备。 In May 1963, France began to develop solid-surface submarine missiles, and successively succeeded in producing four models M1, M2, M20 and M4. The M4 missile was developed from 1975 and the first land-based flight test was conducted at the Land Rover Test Center on November 18, 1980, and the first underwater launch was conducted on the “eel” ballistic missile test vehicle on March 10, 1982 A total of 14 flight tests were carried out from November 1980 until the end of February 1984, of which 13 were successful. April 1985 began to equip.