American Tactical Advancement in World War I

<p> The U.S. Army evolved into a truly modern fighting force during World War I. When the U.S. entered the war in 1917, the infantry was its primary offensive arm. Training focused mainly on target practice, bayonet charges and marching drills. Antiquated tactics emphasized massive attack waves relying on ferocity to achieve battlefield objectives. Heavy casualties resulted when inexperienced American troops encountered entrenched German veterans trained in the use of modern artillery and