The U.S. Army was still trying to organize and expand into a modern force capable of fighting in World War I. Part of that task was to integrate the National Guard into its force structure. The initial plan was for the Guard from Wisconsin and Michigan to join together as the 11th Division. Fortunately, a later plan would change how Guard divisions were numbered. However, what was known to state leaders by this time was the force would not return to their Mexican Border Service post near San Antonio for training.