Whether it is within the armed forces, in business or within civil service this dictum is still valid. Ask any logistician, fireman or (military) planner and he or she will confirm this. In times of crisis, you do not want to have to (re-)invent the wheel. The effect of which leads to stress, financial distress and/or even fatalities. In recent months, we have witnessed the effects of bad planning most noticeably in governments' response to the influx of large refugee numbers