1984年7月24日,日本政府决定不购买由阿里安火箭发射的一颗欧洲气象卫星。在此之前,欧洲曾建议日本于1989年用欧洲气象卫星来代替美国制造的、由日本 N2火箭发射的现用气象卫星。法国航宇公司和阿里安公司向日本推荐的气象卫星,价格为140亿日元,约等于五亿一千万法郎,包括发射和定点费用,但不包括根据日本 On July 24, 1984, the Japanese government decided not to purchase a European meteorological satellite launched by the Alian rocket. Earlier, Europe had recommended that Japan replace the U.S.-made existing meteorological satellites launched by Japan’s N2 rockets with the European meteorological satellite in 1989. France Aerospace and Allianz recommended meteorological satellites to Japan at a price of 14 billion yen, equal to about 510 million francs, including launch and fixed-point costs, but excluding Japan according to Japan