And you press the back to base button and the firefighers pack all the equipment away and go back to base. I also like the Fire chief. You press one button and all the fire engines go back to base.
Open the unit.xml for the USAR Squad with notepad and change this value to 4. <unit id="USAR_FF"> <defaultcount value="2" /> The one for freeplay is nearer the bottom of the page. The same thing is at the top but it's for campaign mode.