Prisoner-of-war camp
In World War II, he served in the Army in North Africa and Italy from 1942 to 1945. He worked in the prisoner-of-war processing division and for Italy's Institute of Statistics. While stationed at a Prisoner-of-war camp for Italian prisoners in North Africa, Arrington reported having another transcendent experience after reading "The Brothers Karamazov". He reported feeling that God wanted him to become a teacher and a writer about religion and economics.