Upon being discharged from the US naval reserve, William Colepaugh defected to Nazi Germany in 1944. Trained as a spy, he was landed ashore at Gulf of Maine by an U boat. He voluntarily surrendered after partying with the money meant for espionage activities.
John Patrick Riley was an Irish soldier who emigrated to the United States and subsequently enlisted in the United States Army. During the Mexican–American war, Riley led a number of other Irish Catholics in the ranks who defected to Mexico, where they formed the Saint Patrick’s Battalion.