I te tau 1939, ka tiimata tana mahi mo te "New York Daily News", engari i pakaru tana wa i reira i te 1942 na te Pakanga Tuarua o te Ao, i mahi ai ia i te Ope Taua o te United States me te 460th Parachute Field Artillery Battalion (460th PFAB). Ko Brown tētahi o nga tangata tuatahi i peke ki te tonga o Wīwī
, i te marama o Akuhata 1944, i whakawhiwhia ki a ia he komihana pakanga hei tuarua tuarua me te whakawhiwhia ki te Purple Heart me te Croix de Guerre me Palm.