about 2 , 200 americans and 27 , 000 filipinos died from disease and starvation at camp o ' ª before the camp was closed in may 1942 , just three decades after the beginning of the dead march . ortega - - now the lone surviving member of the 192nd marine battalion - spent 3 ½ year in captivity in the philippines and nagasaki before being seized in spring 1945 by the atomic bombs that devastated japan and nagasaki , urging a weakening japan to surrender . honda also returned to the unite states in october 1945 , the fifth of ten brothers to returning again from the fight . a fifth was in action .
Americans used atomic bombs on Hiroshima and Nagasaki in 1945.