Meet some of the most important, yet least-recognized, warriors--the battlefield engineers who lay the groundwork for oncoming conflicts. We'll cover combat engineering from ancient Rome to modern-day Iraq, and take a look at the "Next Big Thing".
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History Channel, modern marvels, documentary, series, free, watch, online, movie, film, video, top, download, share, doc, documentation, battlefield, engineering, big thing, next, iraq, rome, ancient, combat
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