Son of SR-71 On The Way
June 14, 2007: A not-so-secret top secret contract has been issued by the U.S. Air Force for work on a replacement for the SR-71 high-altitude, supersonic reconnaissance aircraft. The new aircraft, informally referred to as the SR-72, will apparently be unmanned, and use new high-altitude jet engines that the air force has been working on for some time.
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The SR-72 is supposed to be capable of twice the range, and greater speed than the SR-71, and at an altitude of 100,000 feet or higher. A high-speed, high-altitude UAV like that would be a good replacement for spy satellites lost to anti-satellite weapons. Actually, the SR-71 could carry missiles (which the U.S. has already developed) than can knock down satellites in low earth orbit (as are most spy satellites.)
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