Blozis was inducted into the United States Army on December 9, 1943. He was first assigned to duty as a physical instructor at Walter Reed General Hospital and then went through officer training at Fort Benning, where he set the army's hand-grenade-throwing record with a toss of 94 yards, 2 feet, 6.5 inches. He was commissioned as a second lieutenant in the 28th Infantry Division. On January 31, 1945, his platoon was in the Vosges Mountains of France scouting enemy lines. When two of his men, a sergeant and a private, failed to return from a patrol, he went in search of them alone. He never returned.