The Vietnam War was not the United States' bloodiest or most costly conflict, but its effects were deep and long-lasting. Its unpopularity polarized the country; its cost made it difficult to ...

Editor's note: At 05:00 in this video the expert identifies an object for firing claymore mines as a "clicker." The correct term is "clacker." Business Insider ...

Military history professor Bill Allison rates more Vietnam War movies, such as "Forrest Gump," for realism. Allison breaks down additional battlefield tactics used by the Viet Cong, or VC ...