Introduction : technology and culture, war and peace -- Designing engineering education for war, 1868-1942 -- Navy engineers and the air war, 1919-1942 -- Engineers for the kamikaze air war, 1943-1945 -- Integrating wartime experience in postwar Japan, 1945-1952 -- Former military engineers in in the postwar Japanese national railways, 1945-1955 -- Opposition movements of former military engineers in the postwar railway industry, 1945-1957 -- Former military engineers and the development of the shinkansen, 1957-1964 -- Conclusion : legacy of war and defeat