An M4 carbine with a “red-dot” scope attached lies on a table during weapon reassembly training at Moody Air Force Base, Ga., Jan. 28, 2014. Airmen learned how to disassemble, clean and reassemble their weapon, as well as proper handling and firing procedures. (U.S. Air Force photo by Airman 1st Class Ryan Callaghan/Released)

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Photo by: Airman st Class Ryan CallaghanReleased |  VIRIN: 140128-F-NI493-057.JPG