Barry Allen Sadler (November 1, 1940 – November 5, 1989) was an American singer-songwriter and author whose military service influenced his work. After a stint in the United States Air Force, Sadler served in the United States Army as a Green Beret medic, achieving the rank of staff sergeant. He served in the Vietnam War from late December 1964 to late May 1965. Most of his work has a military theme, and he is best known for his patriotic song... [more on Wikipedia]