Keywords: Japanese aircraft carrier Ryujo.jpg The Japanese light aircraft carrier Ryujo underway September 1938 http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Query php U S Navy National Museum of Naval Aviation photo No http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 31945 QueryPage 2Femuwebdoncoms 2Fpages 2Fdoncoms 2FAdvQuery php 1996 488 037 018; U S Navy Naval Histroy and Heritage Command photo http //www history navy mil/photos/images/h73000/h73072 jpg 1938-09 U S Navy PD-USGov-Military-Navy Ryūjō ship 1933 1938 Black and white photographs Ships in heavy seas |