Japan, which has traditionally relied on the United States for intelligence, initiated the spy satellite program after North Korea fired a ballistic missile over Japan in 1998.
Japan, which has traditionally relied on the United States for intelligence, initiated the spy satellite program after North Korea fired a ballistic missile over Japan in 1998.
以往，日本一直依靠美国的情报，从1998年朝鲜向日本发射了弹道飞弹以后，日本开始了情报卫星研究计划。