 Complete the following phrase:  Shortly after his graduation, the United States entered World War I. In June 1917 Bruce joined the United States Army as a second lieutet in the Infantry Branch. He served in the First Officers Training Camp at Leon Springs, Texas. After completing his training he was sent to combat in France as part of the 2nd Infantry Divisions 5th Machine Gun Battalion. He saw action in the trenches of the Western Front in the Troyon Sector near Verdun, in the Aisne Defensive operation near Chateau Thierry, the Aisne-Marne offensive at Soissons, the 