Future U.S. President Ronald Reagan as a 2nd lieutenant in the Cavalry Officers Reserve Corps prior to World War II. During the war, Reagan used his experience as a movie actor to make Army Air Force training films. Future U.S. President Ronald Reagan as a 2nd lieutenant in the Cavalry Officers Reserve Corps prior to World War II. During the war, Reagan used his experience as a movie actor to make Army Air Force training films. SHARE: Download: Full Size (0.13 MB) Tags: Photo Essays Credit: VIRIN: 661963-Y-RVK46-215.jpg Photo Gallery