 By 1900 the military began to realize that they needed to rely much more heavily on large-scale research centers, which needed government funding.They brought in leaders of organized innovation such as Thomas Edison in the U.S. and chemist Fritz Haber of the Kaiser Wilhelm Institute in Germany.The postmodern stage of military technology emerged in the 1940s, And one with recognition thanks to the high priority given during the war to scientific and engineering research and development regarding nuclear weapons, radar, jet engines, proximity fuses, advanced submarines, aircraft carriers, and other weapons.