What did a war of attrition mean in the Vietnam War?

In the context of the Vietnam War, a war of attrition was a military strategy employed by U.S. forces, primarily under the command of General William Westmoreland, to wear down the enemy through superior firepower and mobility.123

The core objectives and characteristics of this strategy included:

• Inflicting Heavy Casualties: The strategy aimed to engage the strongest units of the Viet Cong and the North Vietnamese Army in remote areas using massive firepower—such as artillery, air strikes, and B-52 bombers—to reach a point where the communists could no longer replace their losses.13
• Measuring Progress: Because the strategy focused on grinding down enemy forces, the body count of killed enemy soldiers became the primary metric for measuring success.12
• Search and Destroy: This was the dominant tactical approach, involving missions to locate and eliminate communist forces and supplies.12
• Diplomatic Pressure: The ultimate goal was to demonstrate to the enemy that they could not win, thereby forcing them to agree to a favorable peace settlement.13

Ultimately, the strategy failed because the communists were able to replace their losses and control the tempo of the war, while the United States faced declining domestic support as casualties mounted without a clear path to victory.123