land = {
    allowed = {
        always = yes
    }
    name = "land_doctrine_folder"
    ledger = army
    ledger_gfx = GFX_land_doctrine_folder_icon
    tab_gfx = GFX_landdoctrine_tab_large
    color_frame = 1
    sound = ui_doctrine_tab_land
}

naval = {
    allowed = {
        always = yes
    }
    name = "naval_doctrine_folder"
    ledger = navy
    ledger_gfx = GFX_naval_doctrine_folder_icon
    tab_gfx = GFX_navaldoctrine_tab_large
    color_frame = 2
    sound = ui_doctrine_tab_naval
}

air = {
    allowed = {
        always = yes
    }
    name = "air_doctrine_folder"
    ledger = air
    ledger_gfx = GFX_air_doctrine_folder_icon
    tab_gfx = GFX_airdoctrine_tab_large
    color_frame = 3
    sound = ui_doctrine_tab_air
}
