madame nguyễn thị định (15 march 1920 – 26 august 1992) was the first female general of vietnam people's army during the vietnam war. her role in the war was as national liberation front deputy commander, and was described as "the most important southern woman revolutionary in the war". furthermore, she was commander of an all-female force known as the long-haired army, whom engaged in espionage and combat against arvn and us forces.