Did Paul Ernest Adolph ever served the military?

Context: Paul Ernest Adolph was an American medical missionary born in Philadelphia, Pennsylvania. Paul served the China Inland Mission, now OMF International, from 1929 to 1941 then served in the US Army Medical Corps as a Major from 1941 to 1945. Paul returned to China to serve one last time from 1946 to 1949. After returning to the United States in 1949, he worked preparing missionaries for overseas work and restoring their health after contracting diseases. Once retired, Paul served at his sons' hospitals in central Ethiopia and Bangladesh. Paul opened two hospitals in Luan, Shansi and in Kaifeng, Henan and played a key role in the negotiations with Japanese military that kept hospitals open to Chinese populations during the Sino-Japanese war.

Answer: Yes, Paul Ernest Adolph served in the US Army Medical Corps as a Major from 1941 to 1945.