#10 Rules of Engagement & National Caveats: “Self-Defence” & “Mission Accomplishment” Instructions – Dr Regeena Kingsley Rules of Engagement (ROE) contain specific instructions relating to the use of force. Indeed, they are defined by NATO as: ‘Directives issued by competent military authority which specify the circumstances and limitations under which forces will initiate and/or continue combat engagement with other forces encountered’.[1] ROE contain precise and classified prescriptions on exactly when (use of force) and how (degree of force) military armed forces may employ force against the Enemy while performing tasks towards stated mission objectives (see blog “#9 What