By war's end it was part of VI Corps' dash across Bavaria into the Alps, reaching Innsbruck, Austria, taking the Brenner Pass, and earning the honor of linking up with the U.S. Fifth Army coming north from Vipiteno, Italy, joining the Italian and Western European fronts on 4 May 1945.

The headquarters was moved on 29 March 1922 to the Kittredge Building at 16th Street and Glenarm Place in Denver and remained there until activated for World War II.

One event that turned out large numbers of the Denver members of the division was the Memorial Day parade held in that city each year.

Other units, such as the special troops, artillery, engineers, aviation, medical, and quartermaster, trained at various posts in the Eighth Corps Area.

Unlike the Regular and Guard units in the Eighth Corps Area, however, the 103rd Division did not participate in the various Eighth Corps Area Maneuvers and the Third Army maneuvers of 1938, 1940, and 1941 as an organized unit due to lack of enlisted personnel and equipment.

[4] The 103rd Infantry Division was ordered into active military service on 15 November 1942 at Camp Claiborne, Louisiana.

During 1944, the division lost 2,550 enlisted men from transfers to other divisions or to overseas replacement depots, and replenished its ranks with men transferred from antiaircraft artillery, coast artillery, and tank destroyer units, and aviation cadets and Army Specialized Training Program students reassigned to other duties.

Pushing through Climbach, the 103rd crossed the Lauter River into Germany, 15 December, and assaulted the outer defenses of the Siegfried Line.

The enemy offensive did not develop in its sector and the 103rd moved to Reichshofen, 14 January 1945, to take up positions along the Sauer River.

On 15 January, General Anthony "Nuts" McAuliffe was redeployed from the Battle of the Bulge and given command, which he retained until July 1945.

On 27 April, elements of the division entered Landsberg, where Kaufering concentration camp, a subcamp of Dachau, was liberated.

Troops met at Vipiteno, Italy, near the Austrian border, on 4 May 1945, joining the Italian and Western European fronts.

The division shoulder patch is worn by the United States Army Reserve 103rd Sustainment Command (Expeditionary).