Why is it important to study historical NCOs {Ans: Historic NCOs embody the moral and professional principals of the Army}NCO responsibility {Ans: To take care of their soldiers}When was the first NCO {Ans: NCOs have been around since before the revolutionary war}EWhat major event changed the role of NCO after the Cold War {Ans: September 11}What was Sgt Murphy famous for {Ans: Took out enemy soldier 50 to 1}Why do we still talk about NCOs like MSG Petry {Ans: They're role-models for every NCO}