U.S. Army doctors, medics and nurses in action in France during World War I. From the original 160 Reserve medical officers in 1908, there were 9,223 by 1917. U.S. Army doctors, medics and nurses in action in France during World War I. From the original 160 Reserve medical officers in 1908, there were 9,223 by 1917. SHARE: Download: Full Size (0.16 MB) Tags: Photo Essays Credit: VIRIN: 453703-K-MQQ90-676.jpg Photo Gallery