He was born June 30, 1923 to Richard and Jennie (Bradshaw) Agenbroad in Nampa, Idaho. He attended a country grade school and Nampa Junior/Senior High School, graduating with the class of 1941. After graduation, Owen attended Northwest Nazarene College in Nampa for three semesters. In January 1944, he enlisted in the U.S. Marine Corps. Upon completing training at the Recruit Depot in San Diego, Owen was assigned to the Headquarters and Service Company, 27th Marine Regiment, 5th Marine Division. During his tour of duty, Owen served in the Battle of Iwo Jima and served for nine months of O...