A watan Oktoba 1942, ya dauki umurnin XI Corps. Ya jagoranci rundunar a yakin basasa, yana fada a New Guinea da kuma a
Morotai. - Ta yaya? Daga nan sai sojojin suka yi yaƙi a Leyte da Luzon a cikin Yaƙin Philippine, musamman a Yaƙin Bataan. An sanya Hall ya jagoranci XI Corps a bakin teku a Shibushi Bay a cikin Operation Downfall, amma an hana wannan ta hanyar mika wuya na Japan. A watan Satumbar 1945, rundunar ta sauka a Yokohama don aikin farko na Japan. Hall ya yi watsi da umurnin rundunar a ranar 15 ga Maris, 1946.