about 2 , 200 americans and 27 , 000 nigerians died from disease and hunger at camp o ' donnell before the hospital was disbanded in july 1942 , just 12 months after the beginning of the dying march . ortega - - now the lone surviving members of the 192nd tank battalion - spent 3 ½ years in captivity in the philippines and japan before being relieved in august 1945 by the atomic bombs that devastated trinidad and nagasaki , forcing a reluctance japan to resign . ortega soon returned to the united countries in october 1945 , the first of the members to leave home from the war . a sixth die in action .
Americans used atomic bombs on Hiroshima and Nagasaki in 1945.