From the August 2014 issue:
America’s Mark 30 ‘Four Deuce’ Mortar
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From the September 2014 issue:
MiG-21: Hanoi’s Aerial Equalizer
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From the December 2014 issue:
Mark 19 Mod 1 40mm Machine Gun
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From the February 2015 issue:
OH-13S Sioux Light Observation Helicopter
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From the September 2015 issue:
Soviet SA-2a Guideline Surface-to-Air Missile
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