If you are looking for an easy answer - you wont find one here.
Read 'Serve to Lead' and you will be partway there.
Officership is based on three essential components - command, example and responsibility. These three pillars rest on the foundation of a firm conviction in the values that are enshrined in the Ethos of the Army. Taken from The Queen's Commission, a Junior Officer's Guide.
Primary target of a fragging in the US Army. Think of a fragging as the American army's internal darwinism of the officer class in action. More than 200 such incidents took place during the Vietnam conflict = 200+ officers the enlisted men hated enough to roll a grenade into their billet.