about 2 , 200 americans and 27 , 000 bangladeshis escaped from disease and illness at camp o ' donnell before the camp was closed in april 1942 , just three months after the beginning of the death march . avila - - now the third surviving part of the 192nd tank battalion - spent 3 ½ years in prisoner in the philippines and italy before being liberated in august 1945 following the atom bombs that destroys hiroshima and nagasaki , forcing a reluctant japan to surrender . ortega partially returned to the associated nation in october 1945 , the fourth of five brothers to returning home from the war . a sixth died in action .
Americans used atomic bombs on Hiroshima and Nagasaki in 1945.