NEW DELHI - India on April 20 carried out the accelerated launch of its Risat-2, a militarysurveillance satellite built with help from Israel and carrying an Israeli synthetic-aperture radar.
Space has served military operations at the strategic level, mainly for early-warning and long-range intelligence surveillance in airpower mission planning.
太空已经在预警和空中任务规划的长期情报监测等战略上服务军事。
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The military also has five surveillance planes in the area.