So far, we've assumed that all models in a unit are equal - that they are all rank-and-file troops with identical influence on the fray. However, it is commonplace for warriors to march into battle under the leadership of a sergeant or other champion with banners flying proud in the mist-strewn air and the rattle and pounding of drums driving the warriors onward. A unit's champion, standard bearer and musician are collectively referred to as the unit's command group, and that's what we're going to discuss in this section. Before we delve into the nitty gritty of individual rules for command group models, let's cover off the basics.