In the fifth interview session, conducted at the Oregon Historical Society in Portland on July 26, 1992, Nyls looks at photographs dating from the Korean War, describes them, and speaks at length about his experiences as an engineering officer and fighter pilot during that war. He also shares his thoughts about friendly fire and the United States military. He discusses training other fighter pilots and speaks at length about training to become an engineering officer at the end of World War II. He also talks about his marriage to Peggy Garver and the death of his mother. He discusses the differences in the way the Air Force fought during World War II and in the Korean War and speaks about his career in the Air Force after the war’s end.