During the years of World War II Cox contributed to the war effort by teaching engineering science and war management from 1942 to 1944 and also headed a specialist army training programme from 1943 to 1945.
Sa panahon ng taon ng World War II Cox ambag sa digma pagsisikap sa pamamagitan ng pagtuturo engineering science at pamamahala ng digma 1942-1944 at din ulo ng isang espesyalista sa hukbo training program 1943-1945.