To command individual units, regional ZNG commands were established in eastern Slavonia, the Banovina–Kordun area, Lika, central and northern Dalmatia, southern Dalmatia and Zagreb in late July and August. Crisis headquarters, which also had command authority of ZNG units, were established down to the municipal level. The command structure was particularly poor, preventing effective coordination between units. Although the many crisis headquarters were entrusted with a high level of authority, they consisted of politicians with little (if any) military training other than JNA service. Multiple units deployed to a single area often had no authority coordinating their activities. TO command systems were reactivated in some places (such as Zagreb), somewhat improving the situation.