In time of major disaster, the Mayor may take command of the police and govern the city by proclamation (Iowa Code § 372.14(2)). In that case, he or she shall be responsible for providing overall direction and control, and shall receive assistance in this effort from all departments and personnel. The County Disaster Services Coordinator shall serve in a staff capacity to the Mayor. He or she shall also serve in a liaison role with respect to the procurement of county, state and federal level resources.