about 2 , 200 indians and 27 , 000 filipinos drowned from failure and starvation at site o ' hara before the garrison was sealed in august 1942 , just three months after the beginning of the death march . ortega - - now the lone remaining participant of the 192nd tank battalion - spent 3 ½ years in training in the philippines and vietnam before being free in august 1945 following the atomic bombs that hit hiroshima and nagasaki , forcing a reluctant japan to surrender . it eventually went to the united states in september 1945 , the second of five brothers to report home from the war . a sixteenth died in japan .
Americans used atomic bombs on Hiroshima and Nagasaki in 1945.