Trinh Thi Ngo, better known to U.S. servicemen as ... wielded against U.S. forces and prisoners of war. “This is Thu Huong calling American servicemen in South Vietnam,” Ms. Ngo would ...

One of North Vietnam's most recognizable wartime voices fell silent last Friday, when former radio broadcaster Trinh Thi Ngo ... under the pseudonym Thu Huong, or Autumn Fragrance.