/Evans prizewinning work, Kaigun, illuminates the rise of Japanese naval aviation from its genesis in 1909 to its thunderbolt capability on the eve of the Pacific war. In the process of explaining the Navy's essential strengths and weaknesses, the book provides the most detailed account available in English of Japan's naval air campaign over China from 1937 to 1941. A final chapter analyzes the utter destruction of Japanese naval air power by 1944.