sub_unit_categories = {
	category_light_infantry
	category_heavy_infantry
    category_front_line
	category_all_infantry
	category_support_battalions
	category_militia
	category_army
	category_line_artillery
	category_artillery
	category_special_forces
	category_recon
	category_mountaineers
	category_support_artillery
	category_cavalry
}
