据美国《全球安全》网站今年1月4日报道,截至2004年12月31日,全世界共有220颗军用卫星在轨工作,其中通信卫星80颗、导航卫星53颗、成像卫星25颗、电子侦察卫星12颗、预警卫星11颗、海洋监视卫星18颗、气象卫星12颗、小型军用或技术发展卫星9颗。它们分别属于美国、俄罗斯、中国、法国、英国、意大利、以色列、澳 According to the U.S. “Global Security” website reported on January 4 this year, as of December 31, 2004, a total of 220 military satellites are in orbit around the world, including 80 communication satellites, 53 navigation satellites, 25 imaging satellites, 12 reconnaissance satellites, 11 early warning satellites, 18 marine surveillance satellites, 12 meteorological satellites and 9 small military or technology development satellites. They belong to the United States, Russia, China, France, Britain, Italy, Israel, Australia