Was the Vietnam War technically a war? (2024)

By nearly every metric, the Vietnam War was, in the common sense of the word, a war. The United States committed some 550,000 troops to the Vietnam front at the height of the conflict, suffered more than 58,000 casualties, and engaged in battle after battle with communist forces in the region until its withdrawal in 1973. However, from a constitutional perspective, this conflict did not technically count as a war. The U.S. Constitution grants Congress sole authority to issue declarations of war. Since 1941 Congress has declared war only six times, all during World War II. Congress authorized troop deployment in Vietnam, but, because it did not issue a declaration of war on North Vietnam or the Viet Cong, the Vietnam War is, technically speaking, not considered a war in the United States.