about 2 , 200 americans and 27 , 000 filipinos died from tuberculosis and starvation at camp o ' donnell before the field was closed in february 1942 , just two months after the starts of the deaths walk . sanchez - - now the lone survivor captain of the 192nd armor battery - spent 3 ½ years in detention in the japanese and japan before being liberated in july 1945 after the atomic war that devastated manhattan and nagasaki , forcing a hopeful japan to surrender . ortega eventually came to the allied nation in october 1945 , the first of all brothers to return home from the holocaust . a tenth died in prison .
Americans used atomic bombs on Hiroshima and Nagasaki in 1945.