美国国家侦察办公室(NRO)已透露了其高度保密的“长曲棍球” 成像雷达卫星及其地球同步轨道中继卫星的一些图片,从而为了解美国如何从太空得到关键区域,如伊拉克等地的侦察图像,以及如何传输这些图像提供了新的线索.下面对这两颗卫星及美国最近发射的“喇叭”信号情报卫星和GBS通信卫星作一简要的介绍.“长曲棍球”雷达成像卫星“长曲棍球” 和NRO同步中继卫星正在扩大对美国军方的服务, The United States National Reconnaissance Office (NRO) has revealed some pictures of its highly classified “lacrosse” imaging radar satellites and their geosynchronous orbital relay satellites, so as to understand how the United States reconnaissance from key areas in space, such as Iraq Images and how to transmit these images provide new clues to the two satellites and the United States recently launched “Horn” signal intelligence satellite and GBS communications satellite made a brief introduction. “Lacrosse” radar imaging satellite "long Hockey and NRO Sync Relay Satellites are expanding their service to the U.S. military,