'Tank Sergeant' is Sgt. Ralph "Zippo" Zumbro's fascinating memoir of a year with A Company, 1st Battalion, 69th Armor - the most highly decorated unit in Vietnam. Full of vivid detail and explosive action, Zumbro takes the reader through steaming jungles with his tank crew, escorting important convoys, performing dangerous rescue operations, and blasting out Viet Cong positions.
