For several months, a dank 6.5-by-7-foot cell at the Hanoi Hilton served as a crucible that tested the limits of human endurance for retired Air Force Col. Leon Ellis and three of his fellow prisoners.

Colonel Benjamin Purcell: 5 Years in Hell
Colonel Benjamin Purcell was executive commander of the 80th General Support Group in Vietnam when his helicopter was shot down on February 8, 1968. He and five other passengers were captured by the Viet Cong. Colonel Purcell was the highest ranking Army officer captured during the Vietnam War. He spent more
