When America entered the Second World War, Arizona's sparse population and mild weather made it an ideal location for training facilities and prisoner of war camps.  By war's end, Arizona had trained more pilots than any other state, hosted the country's largest POW camp, and was part of the largest military training grounds in history.  This presentation tells Arizona's war-time role by focusing on the stories of those WW2 sites in Arizona that still have significant remaining features from the…