Complex sentence: During World War I he served as Chief Engineer, American Expeditionary Forces in France (mid- 1917 to mid- 1918), and received the Distinguished Service Medal and the French "Légion d'honneur" (Legion of Honor).
Split into simpler sentences: During World War I he served as Chief Engineer, American Expeditionary Forces in France (mid- 1917 to mid- 1918). Taylor was awarded the Distinguished Service Medal and the French "Légion d'honneur" (Legion of Honor).