During World War II , KPO 's news bureau was the major source of NBC of news about the war in the Pacific .
During World War II , KPO 's news bureau operated shortwave radio stations ( transmitters located in Dixon ) serving the world .
During World War II , KPO 's news bureau was the major source of NBC of news about the war in the Pacific , and operated shortwave radio stations ( transmitters located in Dixon ) serving the world .