O'Conner, Charles, “O'Conner, Charles (Interview outline), 2010,” Digital Collections, accessed December 7, 2025, https://digitalcollections.library.gvsu.edu/document/29325.
Chuck O'Conner enlisted in the U.S. Marines while living in Illinois and served 3.5 years in the service. During his service Chuck obtained the rank of Staff Sergeant and fought in the field during the Vietnam War. He was involved in the battle at Khe Sanh, but does not say much about it.