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** FILE ** An Air Force cadet works on Wednesday, Feb. 20, 2013, at a large computer display inside a classroom at the U.S. Air Force Academy's Center for Cyberspace Research in Colorado Springs, Colo., where cyberwarfare is taught. (Associated Press)
Photo by: Brennan Linsley
** FILE ** An Air Force cadet works on Wednesday, Feb. 20, 2013, at a large computer display inside a classroom at the U.S. Air Force Academy's Center for Cyberspace Research in Colorado Springs, Colo., where cyberwarfare is taught. (Associated Press)

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Best combat rifles of all time

A combat rifle is a military service rifle that fires a full-power rifle cartridge, a mainstay of every modern army in the world. See the best combat rifles ever made.