diff --git a/common/ship_sizes/80_orbital_rings.txt b/common/ship_sizes/80_orbital_rings.txt
new file mode 100644
index 0000000..574eabf
--- /dev/null
+++ b/common/ship_sizes/80_orbital_rings.txt
@@ -0,0 +1,215 @@
+@build_block_orbital_ring = 20
+@orbital_ring_formation_priority = 1
+
+
+orbital_ring_tier_1 = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 1000
+		starbase_defense_platform_capacity_add = 2
+		starbase_module_capacity_add = 4
+		starbase_building_capacity_add = 2
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 1.0
+		ship_weapon_range_mult = 1.0
+	}
+	max_hitpoints = 5000
+	base_buildtime = 720
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 1000
+			influence = 50
+		}
+		upkeep = {
+			energy = 2
+		}
+	}
+
+	combat_size_multiplier = 5
+	size_multiplier = 4
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+	}
+
+	potential_construction = {
+		# This is build through a megastructure
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_orbital_ring_tier_1" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+
+	build_block_radius = @build_block_orbital_ring
+	formation_priority = @orbital_ring_formation_priority
+	icon_frame = 7
+	scales_with_planet = yes
+	graphical_culture = yes
+}
+
+orbital_ring_tier_2 = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 2000
+		starbase_defense_platform_capacity_add = 4
+		starbase_module_capacity_add = 8
+		starbase_building_capacity_add = 4
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 1.0
+		ship_weapon_range_mult = 1.50
+	}
+	max_hitpoints = 10000
+	base_buildtime = 900
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 1500
+			influence = 100
+		}
+		upkeep = {
+			energy = 3
+		}
+	}
+
+	combat_size_multiplier = 20
+	size_multiplier = 4
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+	}
+
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_4" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+
+	build_block_radius = @build_block_orbital_ring
+	formation_priority = @orbital_ring_formation_priority
+	icon_frame = 8
+	scales_with_planet = yes
+	graphical_culture = yes
+}
+
+orbital_ring_tier_3 = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 2000
+		starbase_defense_platform_capacity_add = 6
+		starbase_module_capacity_add = 12
+		starbase_building_capacity_add = 6
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 1.0
+		ship_weapon_range_mult = 2.0
+	}
+	max_hitpoints = 20000
+	base_buildtime = 1080
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 2000
+			influence = 150
+		}
+
+		upkeep = {
+			energy = 4
+		}
+	}
+
+	combat_size_multiplier = 20
+	size_multiplier = 4
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+		"4" = { locator = "part5" }
+	}
+
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_5" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+
+	build_block_radius = @build_block_orbital_ring
+	formation_priority = @orbital_ring_formation_priority
+	icon_frame = 9
+	scales_with_planet = yes
+	graphical_culture = yes
+}
diff --git a/common/ship_sizes/81_starbases.txt b/common/ship_sizes/81_starbases.txt
new file mode 100644
index 0000000..e36d618
--- /dev/null
+++ b/common/ship_sizes/81_starbases.txt
@@ -0,0 +1,386 @@
+@build_block_radius_starbase = 20
+@starbase_formation_priority = 1
+
+
+starbase_outpost = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 1000
+		ship_sensor_range_add = 1
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 0.50
+		ship_weapon_range_mult = 0.20
+	}
+	max_hitpoints = 5000
+	base_buildtime = 360
+	resources = {
+		category = starbase_stations
+		cost = {
+			trigger = {
+				from = {
+					is_machine_empire = no
+				}
+			}
+			alloys = 100
+		}
+		cost = {
+			trigger = {
+				from = {
+					is_machine_empire = yes
+				}
+			}
+			alloys = 150
+		}
+		upkeep = {
+			energy = 1
+		}
+	}
+
+	potential_construction = {
+		is_scope_type = planet
+		is_primary_star = yes
+		NOT = {
+			exists = orbital_defence
+		}
+	}
+
+	possible_construction = {
+		always = yes
+	}
+
+	combat_size_multiplier = 5
+	size_multiplier = 4
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+	}
+
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_1" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+
+	build_block_radius = @build_block_radius_starbase
+	formation_priority = @starbase_formation_priority
+	icon_frame = 1
+	icon = ship_size_military_station
+}
+
+starbase_starport = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 2000
+		starbase_module_capacity_add = 5
+		starbase_building_capacity_add = 2
+		starbase_defense_platform_capacity_add = 6
+		#trade system
+		starbase_trade_collection_range_add = 1
+		starbase_trade_protection_range_add = 1
+		starbase_trade_protection_add = 8
+		ship_sensor_range_add = 1
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 0.50
+		ship_weapon_range_mult = 0.20
+	}
+	max_hitpoints = 10000
+	base_buildtime = 360
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 200
+		}
+
+		upkeep = {
+			energy = 2
+		}
+	}
+
+	combat_size_multiplier = 20
+	size_multiplier = 6
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+	}
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_2" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+	required_component_set = "ftl_inhibitor"
+
+	build_block_radius = @build_block_radius_starbase
+	formation_priority = @starbase_formation_priority
+	icon_frame = 2
+	icon = ship_size_military_station
+
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+}
+
+starbase_starhold = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 5000
+		starbase_module_capacity_add = 10
+		starbase_building_capacity_add = 4
+		starbase_defense_platform_capacity_add = 9
+		#trade system
+		starbase_trade_collection_range_add = 1
+		starbase_trade_protection_range_add = 1
+		starbase_trade_protection_add = 16
+		ship_sensor_range_add = 1
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 0.50
+		ship_weapon_range_mult = 0.20
+	}
+	max_hitpoints = 20000
+	base_buildtime = 720
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 500
+		}
+
+		upkeep = {
+			energy = 3
+		}
+	}
+
+	combat_size_multiplier = 30
+	size_multiplier = 8
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+		"4" = { locator = "part5" }
+		"5" = { locator = "part6" }
+	}
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_3" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+	required_component_set = "ftl_inhibitor"
+
+	build_block_radius = @build_block_radius_starbase
+	formation_priority = @starbase_formation_priority
+	icon_frame = 3
+	icon = ship_size_military_station
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+}
+
+starbase_starfortress = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 10000
+		starbase_module_capacity_add = 15
+		starbase_building_capacity_add = 6
+		starbase_defense_platform_capacity_add = 12
+		#trade system
+		starbase_trade_collection_range_add = 1
+		starbase_trade_protection_range_add = 1
+		starbase_trade_protection_add = 24
+		ship_sensor_range_add = 1
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 0.50
+		ship_weapon_range_mult = 0.20
+	}
+	max_hitpoints = 40000
+	base_buildtime = 1080
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 1250
+		}
+
+		upkeep = {
+			energy = 4
+		}
+	}
+
+	combat_size_multiplier = 40
+	size_multiplier = 12
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+		"4" = { locator = "part5" }
+		"5" = { locator = "part6" }
+		"6" = { locator = "part7" }
+	}
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_starbase_4" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+	required_component_set = "ftl_inhibitor"
+
+	build_block_radius = @build_block_radius_starbase
+	formation_priority = @starbase_formation_priority
+	icon_frame = 4
+	icon = ship_size_military_station
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+}
+
+
+starbase_citadel = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	modifier = {
+		ship_evasion_mult = -1
+		ship_armor_add = 20000
+		starbase_module_capacity_add = 25
+		starbase_building_capacity_add = 10
+		starbase_defense_platform_capacity_add = 15
+		#trade system
+		starbase_trade_collection_range_add = 1
+		starbase_trade_protection_range_add = 1
+		starbase_trade_protection_add = 32
+		ship_sensor_range_add = 1
+	}
+	ship_modifier = {
+		ship_fire_rate_mult = 0.50
+		ship_weapon_range_mult = 0.20
+	}
+	max_hitpoints = 80000
+	base_buildtime = 1440
+	resources = {
+		category = starbase_stations
+		cost = {
+			alloys = 3500
+		}
+
+		upkeep = {
+			energy = 5
+		}
+	}
+
+	combat_size_multiplier = 50
+	size_multiplier = 16
+	fleet_slot_size = 2
+	section_slots = {
+		"core" = { locator = "part1" }
+		"1" = { locator = "part2" }
+		"2" = { locator = "part3" }
+		"3" = { locator = "part4" }
+		"4" = { locator = "part5" }
+		"5" = { locator = "part6" }
+		"6" = { locator = "part7" }
+	}
+	is_designable = no
+	num_target_locators = 0
+	is_space_station = no
+	can_have_federation_design = no
+	is_civilian = no
+	components_add_to_cost = no
+	can_disable = yes
+	flip_control_on_disable = yes
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	enable_3dview_in_ship_browser = yes #if yes, ship design will have a 3d view in the ship browser
+	prerequisites = { "tech_starbase_5" }
+	class = shipclass_starbase
+
+	required_component_set = "power_core"
+	required_component_set = "sensor_components"
+	required_component_set = "combat_computers"
+	required_component_set = "ftl_inhibitor"
+
+	build_block_radius = @build_block_radius_starbase
+	formation_priority = @starbase_formation_priority
+	icon_frame = 5
+	icon = ship_size_military_station
+	potential_construction = {
+		always = no
+	}
+
+	possible_construction = {
+		always = no
+	}
+}
diff --git a/descriptor.mod b/descriptor.mod
new file mode 100644
index 0000000..75872f2
--- /dev/null
+++ b/descriptor.mod
@@ -0,0 +1,7 @@
+version="3.8.2"
+tags={
+	"Balance"
+	"Gameplay"
+}
+name="More Starbase Slots"
+supported_version="3.8.2"
\ No newline at end of file
diff --git a/thumbnail.png b/thumbnail.png
new file mode 100644
index 0000000..a64ef01
Binary files /dev/null and b/thumbnail.png differ