Beat Shazam, The Wall and more
Military weaponry is rated.
Season 2, Episode 3
December 29, 2009
Changes in gear used by elite military units are ranked.
Season 2, Episode 2
December 22, 2009
Materials and technology that have changed armor through the ages are ranked.
Season 2, Episode 1
December 15, 2009
Spotlighting machine guns, including the British Vickers and the American M60.
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