Two different wars were fought in Vietnam, the jungle-and-booby-trap one down south, and the WWII-like one up on the DMZ. “I was one of a handful whose Vietnam tour was evenly split between the First and Third Marine Divisions, and saw, firsthand, the difference 170 miles could make during the war’s bloodiest year.” Corporal Robert Peavey was a tank commander in I Corps (Eye Corps) on the DMZ when LBJ ordered a bombing halt over the North. His compelling first-hand account chronicles operations just south of the ‘Z, operations that most Vietnam War histories have completely ignored. Peavey offers detailed, understandable explanations of combat strategy, strengths and shortcomings of standard-issue armament, and inter-service rivalries. Marine veteran Peavey’s account is special for two other reasons. He served as an M48A3 Patton tank commander. Many readers will be surprised that there were quite a few tanks in Vietnam, the geography of which is characterized in the popular mind as being triple-canopy jungle and rice paddies. In fact, much of Vietnam was “good tank country”, particularly northern I Corps along the DMZ, Marine Corps territory, and due to the Marines’ combined arms organization, with a tank company assigned to each infantry regiment, tanks were involved in every major engagement the Corps was involved in