The navy tests its wings -- Japanese naval aviation, 1909-1921 -- Airborne -- Japanese naval aircraft and naval air tactics, 1920-1936 -- Flight decks -- Japanese carriers and carrier doctrine, 1920-1941 -- Soaring -- Japanese naval aircraft and the Japanese aircraft industry, 1937-1941 -- Attacking a continent -- The navy's air war in China, 1937-1941 -- Forging the thunderbolt -- Japanese naval air power as an offensive system, 1937-1941 -- Descending n flame -- Japanese naval air power destroyed.