During the Vietnam War, both the United States and the Soviet Union supplied all manner of weapon systems to the opposing sides, including tanks and armoured vehicles. Two tanks in particular took momentary prominence in the later years of the conflict. On the South Vietnamese side, it was the US M41 Walker Bulldog; for the communist North Vietnamese, the Soviet-supplied T-54 main battle tank was the core of their armoured power. In their first major engagement, during Operation Lam Son 719 (February March 1971), it was the Walker Bulldog in the ascendant, but in later battles the T-54s inflicted heavy losses on their lighter opponents, taking the advantage through their superior manoeuvrability and gunnery. Illustrated with full-colour artwork as well as rare and revealing photographs from both sides, this book studies these two iconic tanks in Vietnamese service, examining how their differing designs and fighting doctrines affected their performance in this unique theatre of combat.