Rubuta ci gaba don wannan sakin layi - An kafa kungiyar juriya ta Austrian Katolika a kusa da firist Heinrich Maier a cikin 1940 sannan kuma ya sami nasarar wucewa kan tsare-tsare da wuraren samar da makamai masu linzami na V-1, V-2, Tiger tanks, Messerschmitt Bf 109, Messerschmitt Me 163 Komet da sauran jiragen sama ga Allies. Wannan ya ba su damar yin amfani da kayan aikin samar da kayan aikin Jamus. Maier ya goyi bayan wannan ƙa'idar: "Kowane bam da ya faɗo a kan masana'antun makamai yana rage yaƙin kuma ba ya kashe fararen hula". Wadannan gudummawar da kungiyar masu adawa ta bayar sun kasance masu mahimmanci ga Operation Crossbow da Operation Hydra
, duka ayyukan don Operation Overlord. Kungiya mai kyau da ke kewaye da Maier ta shirya farfado da Ostiryia bayan yakin, ta rarraba takardun anti-Nazi kuma ta kasance tare da sabis na sirri na Amurka. Ya bambanta da sauran kungiyoyin juriya na Jamus, kungiyar Maier ta ba da bayanai tun da wuri game da kisan gillar Yahudawa ta hanyar hulɗarsu da masana'antar Semperit kusa da Auschwitz. A cikin tsare-tsaren siyasa don siffar Austriya ta gaba, kungiyar ba ta da bangare kuma tana da hulɗa da dukkan jam'iyyun da ke gaban yakin. Daga nan sai ƙungiyar tawaye ta shiga cikin Abwehr da Gestapo ta hanyar wakili biyu, an gano kuma an kashe yawancin membobinta.