 Following ordination, Klausner joined the army and served as a chaplain at the Lawson General Hospital in Atlanta, Georgia.Klausner eventually shipped out to Germany and was assigned to join the 116th Evacuation Hospital, which had just entered Dachau.The 116th Evacuation Hospital arrived at Dachau, which was 10 miles northwest of Munich, in May 1945, three weeks after the camp had been liberated on April 29, 1945.