Nothing breaks a new platoon leader’s heart like hearing the words “change of mission.” I heard them within a couple hours of my first training exercise, rendering days of planning products useless in an instant. The lesson I learned – a painful one we all eventually suffer – exemplifies a common military expression: “No plan survives first contact with the enemy.” While I was slightly discouraged, another question lurked in the recesses of my mind: if a plan is doomed to fail, why create a plan in the first place?