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当今美军已实现了海、陆、空、天“四位一体”多途径间谍网络体系。美空中就拥有庞大的“空中间谍”侦察飞机家族。每个成员性能优越,都曾显赫一时。 声名狼藉的“黑寡妇” 早期的U-2飞机由于技术性能不甚过关,在执行任务期间曾多次被苏联、中国等侦察对象击落,再加之全身漆黑,专门从事秘密的照相和侦察活动,因而得了一个“黑寡妇”恶名。U-2于1966年开始研制,1968年正式装备部队。美军服现役的12架U-2R飞机航程为1.06万公里,飞行高度可达2.1万米,最高速度为800公里/小时,续航时间超过10小时。它能在1.5万米高空,4小时内,拍下宽780公里、长4300公里范围内地面景
Nowadays, the U.S. military has realized the multi-channel spy network system of sea, land, air and space and the “four in one”. The United States has a large air space “spy” reconnaissance aircraft family. Each member has superior performance, have prominent moment. The infamous “Black Widow” early U-2 aircraft due to poor technical performance, during the mission has repeatedly been shot down by the Soviet Union, China and other reconnaissance objects, combined with the darkness, specializing in secret photography and reconnaissance activities, Thus got a “black widow” notoriety. U-2 started its development in 1966 and was officially equipped in 1968. The 12 U-2R aircraft in active service of the U.S. military service have a range of 10,600 kilometers, a flight altitude of up to 21,000 meters, a top speed of 800 km / h and an endurance of more than 10 hours. It can be 15,000 meters in altitude, 4 hours, take a wide 780 km, 4300 km long within the scope of the ground view