美国注重发展战术侦察与监视卫星系统近年来,美国从作战任务及其要求的能力出发,高度重视侦察与监视卫星系统的战术应用能力,现役侦察与监视卫星系统主要包括“锁眼”系列光学侦察卫星、“长曲棍球”雷达成像卫星、ORS系列卫星等。“锁眼”系列成像侦察卫星是当今世界最为先进的光学成像侦察卫星,已经发展了12个型号, The United States Emphasizes on Developing Tactical Reconnaissance and Surveillance Satellite Systems In recent years, the United States has placed great emphasis on the tactical application capabilities of reconnaissance and surveillance satellite systems based on its capability in combat missions and its requirements. The active reconnaissance and surveillance satellite system mainly includes the “keyhole” series Optical reconnaissance satellite, “” lacrosse “radar imaging satellite, ORS series of satellites. ”Keyhole " series of imaging reconnaissance satellites is the world’s most advanced optical imaging reconnaissance satellite, has developed 12 models,