The document summarizes the contributions of several unsung heroes during World War 2 in the Philippines. It describes Colonel Francisco Guerrero who organized the 2nd Infantry Regiment of the Fil-American Cavite Guerillas to conduct espionage and sabotage missions against the Japanese. It also describes Magdalena Leones who served as an intelligence officer for the USAFIP-NL, gathering information and blowing up Japanese planes. The Wha Chi 48th Squadron, composed of Chinese settlers, secretly formed in 1937 and went underground in 1941, aiding the Americans and securing hospitals in Manila's liberation.