infantry = {
    name = DOCTRINE_TRACK_INFANTRY
    background = "GFX_grand_battleplan_bg"
    icon = "GFX_doctrine_milestone_infantry_land"
    icon_frame = "GFX_doctrine_decor_land"
    mastery = {
        multiplier = 1.0
        categories = {
            category_all_infantry
        }
    }
}

combat_support = {
    name = DOCTRINE_TRACK_COMBAT_SUPPORT
    background = "GFX_sup_firepower_bg"
    icon = "GFX_doctrine_milestone_artillery_land"
     icon_frame = "GFX_doctrine_decor_land"
    mastery = {
        multiplier = 8.0
        categories = {
	        category_line_artillery
	        category_artillery
            category_support_battalions
        }
    }
}

armor = {
    name = DOCTRINE_TRACK_ARMOR
    background = "GFX_mob_warfare_bg"
    icon = "GFX_doctrine_milestone_armored_land"
    icon_frame = "GFX_doctrine_decor_land"
    mastery = {
        multiplier = 10.0
        categories = {
	        category_tanks
	        category_all_armor
            
        }
        sub_units = {
            armored_car
        }
    }
}

operations = {
    name = DOCTRINE_TRACK_OPERATIONS
    background = "GFX_tac_operation_bg"
    icon = "GFX_doctrine_milestone_operations_land"
    icon_frame = "GFX_doctrine_decor_land"
    mastery = {
        multiplier = 0.7
        categories = {
            category_all_infantry
	        category_line_artillery
	        category_artillery
	        category_tanks
	        category_all_armor
        }
    }
}