Duane Endres was born on a farm in Michigan in 1924. He was drafted into the Navy 1945. Prior to this he received a deferment due to his work at Michigan State University. He remained on the home front during his service and was stationed in Norman, Oklahoma, and Livermore, California. He was a seaman 2nd class, worked in the mess hall in Oklahoma, and was assigned to refrigeration in California. He was discharged from the Navy in 1946.