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今年以来,一些国家竞相发射军用通信卫星。2月8日,意大利首颗军用通信卫星“西尧拉尔”(Sicral)升空,它可为意大利国防部提供全面的固定和移动通信服务。它对在本国领土和国外维和部队之间传输图像、,声音和数据,只要掌握密码即可同派往国外的任何一艘舰船、飞机成土兵直接联系。与意大利军用通信卫星一起升空的还有英国的天网-4F-军用通信卫星,它也是天网-4系列的最后1颗卫星。该星重1.5
This year, some countries are racing to launch military communications satellites. On February 8, Italy’s first military communications satellite, “Sicral”, will be launched to provide full range of fixed and mobile communications services to the Italian Ministry of Defense. It transmits images, sounds and data to and from its own territory and foreign peacekeeping forces. With its password, it can directly contact any ship or aircraft dispatched to other countries abroad. Also populated with the Italian military communications satellite is the British Skynet-4F-Military Communications Satellite, which is also the last satellite of the Skynet-4 series. The star weighs 1.5