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IGS Optical 7
三菱重工 · H-IIA 202 · 吉信发射综合体 LP-1
任务简介
情报收集卫星（IGS）是日本政府的间谍卫星项目。IGS光学7号，顾名思义，是一颗光学侦察卫星。 日本在20世纪90年代末开始开发IGS，此前朝鲜在1998年尝试发射卫星。尽管朝鲜的发射未能进入轨道，但运载火箭在上升过程中飞越日本上空，引发了朝鲜导弹可能瞄准日本列岛的担忧。通过IGS，日本旨在发展独立的侦察能力以监测未来威胁。该星座也可用于灾害监测和日本政府的其他民用应用。
原文
Information Gathering Satellite (IGS) is a Japanese governmental spy satellite program. IGS Optical 7, as the name suggests, is an optical reconnaissance satellite. Japan began development of IGS in the late 1990s, following North Korea’s attempted satellite launch in 1998. Although the North Korean launch failed to reach orbit, the rocket carrying it crossed Japan during its ascent, sparking fears that North Korean missiles would be able to target the islands. With IGS, Japan aimed to develop an independent reconnaissance capability to monitor future threats. The constellation can also be used for disaster monitoring and other civilian applications by the Japanese government.
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