We are in the middle of a fascinating story of three tank officers who began their career in Vietnam as Marine Infantry Platoon Commanders. John Heffernan, Hank Fuller, and Bob Skeels continue their discussion including their time on Mutters Ridge. Mutters Ridge was a ridgeline overlooking the DMZ and was cause for deep concern anytime the Marines were headed there. For further reading see Matterhorn, by Karl Marlantes.