From 4d93d252edf7b79541536c8b66a2e340773805c0 Mon Sep 17 00:00:00 2001
From: "actions[bot]" <actions[bot]@users.noreply.github.com>
Date: Mon, 4 Aug 2025 04:03:05 +0000
Subject: [PATCH] 2025-08-04 04:03:05

---
 src/common/ai_equipment/vnr_DD_leader.txt     |  13 +-
 src/common/ai_equipment/vnr_battleships.txt   |  20 +-
 src/common/ai_strategy/naval_production.txt   | 175 +++--
 src/common/ai_strategy/vnr_naval_strategy.txt | 608 +++++++++++++++---
 src/common/decisions/MTG_naval_treaty.txt     |   2 +-
 src/common/ideas/vnr_navy_spirits.txt         |   4 +
 src/common/technologies/MTG_naval.txt         |  66 +-
 src/common/technologies/MTG_naval_Support.txt |   6 +-
 src/events/ai_ships.txt                       |  49 +-
 9 files changed, 758 insertions(+), 185 deletions(-)

diff --git a/src/common/ai_equipment/vnr_DD_leader.txt b/src/common/ai_equipment/vnr_DD_leader.txt
index 0e13b5a..f8108ce 100755
--- a/src/common/ai_equipment/vnr_DD_leader.txt
+++ b/src/common/ai_equipment/vnr_DD_leader.txt
@@ -47,7 +47,6 @@ naval_screen_leader = {
 
 		priority = {
 			base = 1
-			modifier = { factor = 10 tag = BYG }
 			modifier = { factor = 25 tag = YUW }
 			modifier = { factor = 0.1 has_tech = improved_ship_hull_light }
 		}
@@ -59,7 +58,7 @@ naval_screen_leader = {
 
 			type = vnr_ship_hull_light_3
 			modules = {
-				fixed_ship_engine_slot = light_ship_engine
+				fixed_ship_engine_slot = { upgrade = current any_of = { light_ship_engine_6 light_ship_engine_3 light_ship_engine_2 light_ship_engine_1 } }
 				fixed_ship_battery_slot = ship_light_battery
 				fixed_ship_torpedo_slot = ship_torpedo
 				fixed_ship_fire_control_system_slot = ship_fire_control_system
@@ -81,9 +80,8 @@ naval_screen_leader = {
 		role_icon_index = 33
 
 		priority = {
-			base = 1
-			modifier = { factor = 10 tag = BYG }
-			modifier = { factor = 25 tag = YUW }
+			base = 0
+			modifier = { add = 25 tag = YUW }
 			modifier = { factor = 0.1 has_tech = advanced_ship_hull_light }
 		}
 
@@ -116,9 +114,8 @@ naval_screen_leader = {
 		role_icon_index = 33
 
 		priority = {
-			base = 1
-			modifier = { factor = 10 tag = BYG }
-			modifier = { factor = 25 tag = YUW }
+			base = 0
+			modifier = { add = 25 tag = YUW }
 		}
 
 		
diff --git a/src/common/ai_equipment/vnr_battleships.txt b/src/common/ai_equipment/vnr_battleships.txt
index 22ca0aa..471de9f 100755
--- a/src/common/ai_equipment/vnr_battleships.txt
+++ b/src/common/ai_equipment/vnr_battleships.txt
@@ -3,7 +3,7 @@ naval_capital_battleship = {
 	#available_for = {}
 	#blocked_for = {}
 	roles = { vnr_naval_capital_bb }
-	priority = { base = 50 }
+	priority = { base = 75 }
 
 	capital_battleship_1924 = {
 		name = vnr_bb_1924
@@ -61,8 +61,8 @@ naval_capital_battleship = {
 			modules = {
 				fixed_ship_battery_slot = ship_heavy_battery_triple
 				fixed_ship_anti_air_slot = ship_anti_air
-				fixed_ship_fire_control_system_slot = ship_fire_control_system
-				fixed_ship_radar_slot = { any_of = { ship_radar ship_mast } }
+				fixed_ship_fire_control_system_slot = { upgrade > current any_of = { ship_fire_control_system } }
+				fixed_ship_radar_slot = { upgrade > current any_of = { ship_radar ship_mast } }
 				fixed_ship_engine_slot = { upgrade = current any_of = { heavy_ship_engine_3 heavy_ship_engine_2 heavy_ship_engine_1 } }
 				fixed_ship_secondaries_slot = ship_dp_secondaries_bb
 				fixed_ship_armor_slot = { upgrade = current any_of = { ship_armor_bb_2 ship_armor_bb_1 } }
@@ -97,8 +97,8 @@ naval_capital_battleship = {
 			modules = {
 				fixed_ship_battery_slot = ship_heavy_battery_triple
 				fixed_ship_anti_air_slot = ship_anti_air
-				fixed_ship_fire_control_system_slot = ship_fire_control_system
-				fixed_ship_radar_slot = ship_radar
+				fixed_ship_fire_control_system_slot = { upgrade > current any_of = { ship_fire_control_system } }
+				fixed_ship_radar_slot = { upgrade > current any_of = { ship_radar } }
 				fixed_ship_engine_slot = { upgrade = current any_of = { heavy_ship_engine_4 heavy_ship_engine_3 heavy_ship_engine_2 heavy_ship_engine_1 } }
 				fixed_ship_secondaries_slot = ship_dp_secondaries_bb
 				fixed_ship_armor_slot = { any_of = { ship_armor_bb_3 ship_armor_bb_2 ship_armor_bb_1 } }
@@ -135,8 +135,8 @@ naval_capital_battleship = {
 			modules = {
 				fixed_ship_battery_slot = ship_heavy_battery_triple
 				fixed_ship_anti_air_slot = ship_anti_air
-				fixed_ship_fire_control_system_slot = ship_fire_control_system
-				fixed_ship_radar_slot = ship_radar
+				fixed_ship_fire_control_system_slot = { upgrade > current any_of = { ship_fire_control_system } }
+				fixed_ship_radar_slot = { upgrade > current any_of = { ship_radar } }
 				fixed_ship_engine_slot = { upgrade = current any_of = { heavy_ship_engine_5 heavy_ship_engine_4 heavy_ship_engine_3 heavy_ship_engine_2 heavy_ship_engine_1 } }
 				fixed_ship_secondaries_slot = ship_dp_secondaries_bb
 				fixed_ship_armor_slot = { any_of = { ship_armor_bb_4 ship_armor_bb_3 ship_armor_bb_2 ship_armor_bb_1 } }
@@ -173,8 +173,8 @@ naval_capital_battleship = {
 			modules = {
 				fixed_ship_battery_slot = ship_heavy_battery_triple
 				fixed_ship_anti_air_slot = ship_missile_aa
-				fixed_ship_fire_control_system_slot = ship_fire_control_system
-				fixed_ship_radar_slot = ship_radar
+				fixed_ship_fire_control_system_slot = { upgrade > current any_of = { ship_fire_control_system } }
+				fixed_ship_radar_slot = { upgrade > current any_of = { ship_radar } }
 				fixed_ship_engine_slot = { any_of = { heavy_ship_engine_4_gas heavy_ship_engine_nuclear } }
 				fixed_ship_secondaries_slot = ship_dp_secondaries_bb
 				fixed_ship_armor_slot = { any_of = { ship_armor_bb_4 ship_armor_bb_3 ship_armor_bb_2 ship_armor_bb_1 } }
@@ -199,7 +199,7 @@ naval_capital_battleship = {
 		priority = {
 			base = 0
 			modifier = { add = 50 tag = CHY }
-			modifier = { factor = 0 has_navy_size = { unit = SH_battleship size > 3 } }
+			modifier = { factor = 0 has_navy_size = { unit = SH_battleship size > 2 } }
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
diff --git a/src/common/ai_strategy/naval_production.txt b/src/common/ai_strategy/naval_production.txt
index 43b349c..23b41d1 100755
--- a/src/common/ai_strategy/naval_production.txt
+++ b/src/common/ai_strategy/naval_production.txt
@@ -378,7 +378,7 @@ naval_unit_role_ratios_GER_prewar_early = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 20
+		value = 200
 	}
 }
 
@@ -421,7 +421,7 @@ naval_unit_role_ratios_GER_prewar_late = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 400
+		value = 1500
 	}
 }
 
@@ -439,7 +439,7 @@ naval_unit_role_ratios_GER_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 800
+		value = 1800
 	}
 
 	ai_strategy = {
@@ -475,7 +475,7 @@ naval_unit_role_ratios_GER_atwar_many_shipyard = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 1000
+		value = 1500
 	}
 
 	ai_strategy = {
@@ -525,7 +525,7 @@ naval_unit_role_ratios_GER_atwar_knock_USA = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 120
+		value = 1000
 	}
 
 	ai_strategy = {
@@ -581,7 +581,7 @@ naval_unit_role_ratios_GER_atwar_No_Naval_Competitor = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 20
+		value = 100
 	}
 
 	ai_strategy = {
@@ -695,7 +695,7 @@ naval_unit_role_ratios_ENG_prewar_early = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 50
+		value = 200
 	}
 
 	ai_strategy = {
@@ -754,7 +754,7 @@ naval_unit_role_ratios_ENG_prewar_late = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 50
+		value = 450
 	}
 
 	ai_strategy = {
@@ -783,7 +783,7 @@ naval_unit_role_ratios_ENG_prewar_late = {
 
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
-		value = 90
+		value = 120
 	}
 }
 
@@ -824,12 +824,12 @@ naval_unit_role_ratios_ENG_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 80
+		value = 300
 	}
 
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
-		value = 100
+		value = 150
 	}
 }
 
@@ -1246,7 +1246,7 @@ naval_unit_role_ratios_JAP_prewar_naval_treaty = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 60
+		value = 150
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1295,7 +1295,7 @@ naval_unit_role_ratios_JAP_prewar_enough_carrier = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 95
+		value = 250
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1315,12 +1315,12 @@ naval_unit_role_ratios_JAP_prewar_enough_carrier = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_capital_bb
-		value = 100
+		value = 60
 	}
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 50
+		value = 60
 	}
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
@@ -1345,7 +1345,7 @@ naval_unit_role_ratios_JAP_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 90
+		value = 350
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1370,7 +1370,7 @@ naval_unit_role_ratios_JAP_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 45
+		value = 65
 	}
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
@@ -1398,7 +1398,7 @@ naval_unit_role_ratios_JAP_late_peace = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 90
+		value = 250
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1428,7 +1428,7 @@ naval_unit_role_ratios_JAP_late_peace = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 35
+		value = 50
 	}
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
@@ -1458,13 +1458,13 @@ naval_unit_role_ratios_USA_great_depression = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 5
+		value = 20
 	}
 
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 45
+		value = 500
 	}
 
 	ai_strategy = {
@@ -1476,7 +1476,7 @@ naval_unit_role_ratios_USA_great_depression = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_screen_leader
-		value = 10
+		value = 1
 	}
 
 	ai_strategy = {
@@ -1506,19 +1506,14 @@ naval_unit_role_ratios_USA_go_to_war = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 90
+		value = 1000
 	}
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_screen
 		value = 320
 	}
-	ai_strategy = {
-		type = role_ratio
-		id = vnr_naval_screen_leader
-		value = 10
-	}
-
+	
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_cruiser_light
@@ -1528,24 +1523,24 @@ naval_unit_role_ratios_USA_go_to_war = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_cruiser_medium
-		value = 20
+		value = 40
 	}
 
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_capital_bb
-		value = 60
+		value = 80
 	}
 
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 45
+		value = 60
 	}
 	
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
-		value = 80
+		value = 130
 	}
 }
 
@@ -1562,12 +1557,12 @@ naval_unit_role_ratios_USA_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 80
+		value = 800
 	}
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_screen
-		value = 600
+		value = 400
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1589,12 +1584,12 @@ naval_unit_role_ratios_USA_atwar = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_carrier
-		value = 70
+		value = 90
 	}
 	
 	ai_strategy = {
 		type = dockyard_to_military_factory_ratio
-		value = 150
+		value = 200
 	}
 }
 
@@ -1613,7 +1608,7 @@ naval_unit_role_ratios_ITA_prewar_build_battleships = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 40
+		value = 250
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1658,7 +1653,7 @@ naval_unit_role_ratios_ITA_prewar_enough_battleships = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 140
+		value = 300
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1706,7 +1701,7 @@ naval_unit_role_ratios_ITA_atwar_with_England = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 100
+		value = 450
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -1754,7 +1749,7 @@ naval_unit_role_ratios_ITA_atwar_with_major = {
 	ai_strategy = {
 		type = role_ratio
 		id = vnr_naval_submarine
-		value = 70
+		value = 350
 	}
 	ai_strategy = {
 		type = role_ratio
@@ -2238,13 +2233,13 @@ we_need_cv_planes_1 = {
 	ai_strategy = {
 		type = unit_ratio
 		id = cv_naval_bomber
-		value = 10
+		value = 20
 	}
 	
 	ai_strategy = {
 		type = unit_ratio
 		id = cv_cas
-		value = 1
+		value = 15
 	}
 	
 	ai_strategy = {
@@ -2262,7 +2257,7 @@ we_need_cv_planes_1 = {
 	ai_strategy = {
 		type = equipment_production_factor
 		id = cv_cas
-		value = 1
+		value = 30
 	}
 
 	ai_strategy = {
@@ -2315,7 +2310,7 @@ we_need_cv_planes_2 = {
 	ai_strategy = {
 		type = unit_ratio
 		id = cv_cas
-		value = 1
+		value = 30
 	}
 	
 	ai_strategy = {
@@ -2333,7 +2328,7 @@ we_need_cv_planes_2 = {
 	ai_strategy = {
 		type = equipment_production_factor
 		id = cv_cas
-		value = 1
+		value = 35
 	}
 
 	ai_strategy = {
@@ -2351,7 +2346,7 @@ we_need_cv_planes_2 = {
 	ai_strategy = {
 		type = equipment_production_min_factories
 		id = cv_cas
-		value = 1
+		value = 3
 	}
 
 	ai_strategy = {
@@ -2385,7 +2380,7 @@ we_need_cv_planes_3 = {
 	ai_strategy = {
 		type = unit_ratio
 		id = cv_cas
-		value = 1
+		value = 45
 	}
 	
 	ai_strategy = {
@@ -2403,7 +2398,7 @@ we_need_cv_planes_3 = {
 	ai_strategy = {
 		type = equipment_production_factor
 		id = cv_cas
-		value = 1
+		value = 50
 	}
 
 	ai_strategy = {
@@ -2421,7 +2416,7 @@ we_need_cv_planes_3 = {
 	ai_strategy = {
 		type = equipment_production_min_factories
 		id = cv_cas
-		value = 1
+		value = 5
 	}
 
 	ai_strategy = {
@@ -2467,4 +2462,84 @@ restrict_early_landing = {
 		type = naval_invasion_focus
 		value = -1000
 	}
+}
+
+upgrade_cv_plane_strategy_1 = {
+	allowed = {
+		always = yes
+	}
+	enable = {
+		has_tech = improved_small_airframe
+		NOT = { has_tech = advanced_small_airframe }
+	}
+	abort_when_not_enabled = yes
+
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_airframe_2
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_naval_bomber_airframe_2
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_cas_airframe_2
+		value = 1000
+	}
+}
+
+upgrade_cv_plane_strategy_2 = {
+	allowed = {
+		always = yes
+	}
+	enable = {
+		has_tech = advanced_small_airframe
+		NOT = { has_tech = modern_small_airframe }
+	}
+	abort_when_not_enabled = yes
+
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_airframe_3
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_naval_bomber_airframe_3
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_cas_airframe_3
+		value = 1000
+	}
+}
+
+upgrade_cv_plane_strategy_3 = {
+	allowed = {
+		always = yes
+	}
+	enable = {
+		has_tech = modern_small_airframe
+	}
+	abort_when_not_enabled = yes
+
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_airframe_4
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_naval_bomber_airframe_4
+		value = 1000
+	}
+	ai_strategy = {
+		type = production_upgrade_desire_offset
+		id = cv_small_plane_cas_airframe_4
+		value = 1000
+	}
 }
\ No newline at end of file
diff --git a/src/common/ai_strategy/vnr_naval_strategy.txt b/src/common/ai_strategy/vnr_naval_strategy.txt
index 26aca4b..337dbad 100755
--- a/src/common/ai_strategy/vnr_naval_strategy.txt
+++ b/src/common/ai_strategy/vnr_naval_strategy.txt
@@ -15,17 +15,17 @@ ENG_protect_home_waters = {
     ai_strategy = {
         type = strike_force_home_base
         id = 18
-        value = 800
+        value = 1000
     }
     ai_strategy = {
         type = strike_force_home_base
         id = 16
-        value = 100
+        value = 1000
     }
 	ai_strategy = {
         type = naval_avoid_region
         id = 18
-        value = -300
+        value = -1000
     }
 }
 
@@ -45,18 +45,23 @@ ENG_secure_mediterranean = {
     ai_strategy = {
         type = strike_force_home_base
         id = 29
-        value = 100
+        value = 150
     }
     ai_strategy = {
         type = strike_force_home_base
         id = 68
-        value = 20
+        value = 100
     }
     ai_strategy = {
         type = strike_force_home_base
         id = 69
         value = 200
     }
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 168
+		value = 800
+	}
 }
 
 ENG_avoid_pacific = {
@@ -66,19 +71,20 @@ ENG_avoid_pacific = {
     }
     enable = {
         has_war_with = CHY
-		has_war_with = TIX
+		has_war_with = SAD
+		ITA = { has_navy_size = { size > 99 } }
         enable_vnr_naval_ai = yes
     }
     abort_when_not_enabled = yes
     ai_strategy = {
         type = naval_avoid_region
         id = 75
-        value = 100
+        value = 1000
     }
     ai_strategy = {
         type = naval_avoid_region
         id = 72
-        value = 20
+        value = 50
     }
     ai_strategy = {
         type = naval_avoid_region
@@ -87,6 +93,55 @@ ENG_avoid_pacific = {
     }
 }
 
+ENG_reinforce_pacific = {
+    allowed = {
+        has_dlc = "Man the Guns"
+        original_tag = HUJ
+    }
+    enable = {
+        has_war_with = CHY
+		OR = {
+			NOT = { has_war_with = SAD }
+			ITA = { has_navy_size = { size < 100 } }
+		}
+		336 = {
+			is_controlled_by_ROOT_or_ally = yes
+		}
+        enable_vnr_naval_ai = yes
+    }
+    abort_when_not_enabled = yes
+    ai_strategy = {
+        type = strike_force_home_base
+        id = 72
+        value = 1000
+    }
+	ai_strategy = {
+        type = strike_force_home_base
+        id = 91
+        value = 10
+    }
+	ai_strategy = {
+        type = strike_force_home_base
+        id = 92
+        value = 10
+    }
+	ai_strategy = {
+        type = strike_force_home_base
+        id = 93
+        value = 10
+    }
+	ai_strategy = {
+        type = strike_force_home_base
+        id = 84
+        value = 300
+    }
+	ai_strategy = {
+        type = strike_force_home_base
+        id = 83
+        value = 300
+    }
+}
+
 ### CHY ###
 JAP_destroy_china_navy_quick = {
     allowed = {
@@ -102,7 +157,7 @@ JAP_destroy_china_navy_quick = {
     ai_strategy = {
         type = strike_force_home_base
         id = 75
-        value = 10
+        value = 100
     }
     ai_strategy = {
         type = strike_force_home_base
@@ -114,6 +169,22 @@ JAP_destroy_china_navy_quick = {
         id = 77
         value = 200
     }
+
+	ai_strategy = {
+        type = naval_convoy_raid_region
+        id = 75
+        value = 100
+    }
+    ai_strategy = {
+        type = naval_convoy_raid_region
+        id = 76
+        value = 200
+    }
+    ai_strategy = {
+        type = naval_convoy_raid_region
+        id = 77
+        value = 200
+    }
 }
 
 JAP_pacific_war_naval_stage_one = {
@@ -221,8 +292,11 @@ USA_pacific_war_naval_avoid_first = {
 		original_tag = BYG
 	}
 	enable = {
-		has_war_with = CHY
-		date < 1943.1.1
+		OR = {
+			has_war_with = CHY
+			threat > 0.7
+		}
+		date < 1942.5.1
 		naval_strength_ratio = {
 			tag = CHY
 			ratio < 5
@@ -233,27 +307,32 @@ USA_pacific_war_naval_avoid_first = {
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 75
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 76
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 77
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 78
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 79
-		value = 100
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 80
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
@@ -263,31 +342,84 @@ USA_pacific_war_naval_avoid_first = {
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 90
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 94
-		value = 100
-	}
-	ai_strategy = {
-		type = naval_avoid_region
-		id = 97
-		value = 100
+		value = 1000
 	}
 	ai_strategy = {
 		type = naval_avoid_region
 		id = 177
-		value = 100
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 95
+		value = 500
 	}
 	ai_strategy = {
-		type = naval_avoid_region
-		id = 94
-		value = 100
+		type = strike_force_home_base
+		id = 97
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 105
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 180
+		value = 500
 	}
 }
 
-USA_pacific_war_naval_counterattack = {
+USA_do_not_waste_fleet_in_north_pacific = {
+	allowed = {
+        has_dlc = "Man the Guns"
+		original_tag = BYG
+	}
+	enable = {
+		has_war_with = CHY
+        enable_vnr_naval_ai = yes
+	}
+	abort_when_not_enabled = yes
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 87
+		value = -1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 88
+		value = -1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 96
+		value = -1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 176
+		value = -1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 114
+		value = -1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 171
+		value = -1000
+	}
+}
+
+USA_pacific_war_naval_counterattack_1 = {
     allowed = {
         has_dlc = "Man the Guns"
         original_tag = BYG
@@ -295,55 +427,341 @@ USA_pacific_war_naval_counterattack = {
     enable = {
         has_war_with = CHY
 		OR = {
-			date > 1942.12.31
+			date > 1942.4.30
 			naval_strength_ratio = {
 				tag = CHY
 				ratio > 5
 			}
 		}
+		NOT = {
+			controls_state = 633
+			controls_state = 684
+		}
         enable_vnr_naval_ai = yes
     }
     abort_when_not_enabled = yes
-    ai_strategy = {
-        type = strike_force_home_base
-        id = 75
-        value = 50
-    }
-    ai_strategy = {
-        type = strike_force_home_base
-        id = 78
-        value = 50
-    }
-    ai_strategy = {
-        type = strike_force_home_base
-        id = 94
-        value = 50
-    }
 	ai_strategy = {
-        type = strike_force_home_base
-        id = 84
-        value = 150
-    }
+		type = naval_avoid_region
+		id = 75
+		value = 1000
+	}
 	ai_strategy = {
-        type = strike_force_home_base
-        id = 95
-        value = 200
-    }
-    ai_strategy = {
-        type = strike_force_home_base
-        id = 97
-        value = 200
-    }
-    ai_strategy = {
-        type = strike_force_home_base
-        id = 180
-        value = 100
-    }
+		type = naval_avoid_region
+		id = 76
+		value = 1000
+	}
 	ai_strategy = {
-        type = strike_force_home_base
-        id = 83
-        value = 130
+		type = naval_avoid_region
+		id = 77
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 78
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 79
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 80
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 90
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 94
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 177
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 84
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 95
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 97
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 105
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 180
+		value = 500
+	}
+	ai_strategy = {
+		type = invade
+		id = JAP
+		value = 500
+	}
+	ai_strategy = {
+		type = naval_invasion_focus
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 94
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 97
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 84
+		value = 300
+	}
+
+	ai_strategy = {
+		type = invasion_unit_request
+		state = 633
+		value = 500
+	}
+	ai_strategy = {
+		type = invasion_unit_request
+		state = 684
+		value = 500
+	}
+}
+
+USA_pacific_war_naval_counterattack_2 = {
+    allowed = {
+        has_dlc = "Man the Guns"
+        original_tag = BYG
     }
+    enable = {
+        has_war_with = CHY
+		OR = {
+			date > 1942.4.30
+			naval_strength_ratio = {
+				tag = CHY
+				ratio > 5
+			}
+		}
+		controls_state = 633
+		controls_state = 684
+		NOT = {
+			controls_state = 645
+		}
+        enable_vnr_naval_ai = yes
+    }
+    abort_when_not_enabled = yes
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 75
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 76
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 77
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 79
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 80
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 90
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 177
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 84
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 95
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 97
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 94
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 78
+		value = 1000
+	}
+	ai_strategy = {
+		type = invade
+		id = JAP
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_invasion_focus
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 94
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 97
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 84
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 78
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 76
+		value = 300
+	}
+
+	ai_strategy = {
+		type = invasion_unit_request
+		state = 645
+		value = 500
+	}
+}
+
+USA_pacific_war_naval_counterattack_3 = {
+    allowed = {
+        has_dlc = "Man the Guns"
+        original_tag = BYG
+    }
+    enable = {
+        has_war_with = CHY
+		OR = {
+			date > 1942.4.30
+			naval_strength_ratio = {
+				tag = CHY
+				ratio > 5
+			}
+		}
+		controls_state = 633
+		controls_state = 684
+		controls_state = 645
+        enable_vnr_naval_ai = yes
+    }
+    abort_when_not_enabled = yes
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 77
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 79
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 75
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 80
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 76
+		value = 1000
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 94
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 78
+		value = 500
+	}
+	ai_strategy = {
+		type = invade
+		id = JAP
+		value = 1000
+	}
+	ai_strategy = {
+		type = naval_invasion_focus
+		value = 1000
+	}
+	
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 78
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 76
+		value = 300
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 90
+		value = 300
+	}
+
+	ai_strategy = {
+		type = invasion_unit_request
+		state = 526
+		value = 500
+	}
 }
 
 ### SAD ###
@@ -353,41 +771,61 @@ ITA_avoid_mediterranean = {
         original_tag = SAD
     }
     enable = {
-        has_war_with = HUJ
-        has_navy_size = { size < 100 }
+		OR = {
+			has_war_with = HUJ
+			threat > 0.4
+		}
+        has_navy_size = { size < 250 }
         enable_vnr_naval_ai = yes
     }
     abort_when_not_enabled = yes
     ai_strategy = {
         type = strike_force_home_base
         id = 29
-        value = -100
+        value = -1000
     }
     ai_strategy = {
         type = strike_force_home_base
         id = 68
-        value = -100
+        value = -1000
     }
     ai_strategy = {
         type = strike_force_home_base
         id = 69
-        value = -100
-    }
-    ai_strategy = {
-        type = naval_avoid_region
-        id = 29
-        value = 100
-    }
-    ai_strategy = {
-        type = naval_avoid_region
-        id = 68
-        value = 100
-    }
-    ai_strategy = {
-        type = naval_avoid_region
-        id = 69
-        value = 100
+        value = -1000
     }
+
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 168
+		value = 500
+	}
+	ai_strategy = {
+		type = strike_force_home_base
+		id = 169
+		value = 500
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 68
+		value = 100
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 69
+		value = 100
+	}
+	ai_strategy = {
+		type = naval_convoy_raid_region
+		id = 29
+		value = 100
+	}
+
+	ai_strategy = {
+		type = naval_avoid_region
+		id = 29
+		value = 800
+	}
 }
 
 ### TIX ###
diff --git a/src/common/decisions/MTG_naval_treaty.txt b/src/common/decisions/MTG_naval_treaty.txt
index ba6a855..902efce 100755
--- a/src/common/decisions/MTG_naval_treaty.txt
+++ b/src/common/decisions/MTG_naval_treaty.txt
@@ -214,7 +214,7 @@ MTG_naval_treaties = {
 	
 		fire_only_once = yes
 		ai_will_do = {
-			factor = 3
+			factor = 50
 			modifier = {
 				tag = CHY
 				factor = 5 #The Yamato is a 35,000 ton ship what are you talking about
diff --git a/src/common/ideas/vnr_navy_spirits.txt b/src/common/ideas/vnr_navy_spirits.txt
index 6b7e9af..6f9e94f 100755
--- a/src/common/ideas/vnr_navy_spirits.txt
+++ b/src/common/ideas/vnr_navy_spirits.txt
@@ -91,6 +91,10 @@ ideas = {
                     instant = yes
                     build_cost_ic = 0.1
                 }
+				ship_hull_cruiser = {
+					instant = yes
+					build_cost_ic = 0.1
+				}
             }
             modifier = {
                 ship_hull_heavy_design_cost_factor = 0.4
diff --git a/src/common/technologies/MTG_naval.txt b/src/common/technologies/MTG_naval.txt
index 222e41c..b14dd98 100755
--- a/src/common/technologies/MTG_naval.txt
+++ b/src/common/technologies/MTG_naval.txt
@@ -416,6 +416,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 	improved_depth_charges = {
@@ -457,6 +458,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 	advanced_depth_charges = {
@@ -497,6 +499,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 	modern_depth_charges = {
@@ -539,6 +542,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 	rocket_depth_charges = {
@@ -579,6 +583,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 	sonar = {
@@ -613,13 +618,13 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 
 	improved_sonar = {
 		enable_equipment_modules = {
 			ship_sonar_2
-			ship_bulbous_bow
 		}
 		on_research_complete = {
 			custom_effect_tooltip = sonar_advice_tt
@@ -651,12 +656,14 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 
 	advanced_sonar = {
 		enable_equipment_modules = {
 			ship_sonar_3
+			ship_bulbous_bow
 		}
 		on_research_complete = {
 			custom_effect_tooltip = sonar_advice_tt
@@ -692,6 +699,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 
@@ -729,6 +737,7 @@ technologies = {
 			asw_tech
 			ship_modules_tech
 			mio_cat_tech_all_screen_ship_and_modules
+			mio_cat_tech_all_destroyer_and_modules
 		}
 	}
 
@@ -3306,7 +3315,7 @@ technologies = {
 		research_cost = 0.6
 
 
-		refit_ic_cost = -0.2
+		refit_speed = 0.15
 
 		start_year = 1930
 
@@ -3437,13 +3446,13 @@ technologies = {
 		research_cost = 0.75
 		start_year = 1940
 
-		naval_retreat_speed_after_initial_combat = 0.1
+		naval_retreat_speed_after_initial_combat = 0.25
 		SH_battleship = {
 			water_fjords = {
-				movement = 0.025
+				movement = 0.05
 			}
 			water_shallow_sea = {
-				movement = 0.025
+				movement = 0.05
 			}
 			water_deep_ocean = {
 				movement = 0.05
@@ -3929,7 +3938,7 @@ technologies = {
 
 	early_carrier_study = {
 		enable_equipment_modules = {
-			ship_deck_space
+			ship_deck_space_open
 			ship_deck_space_small
 			ship_deck_space_more
 			carrier_spared_squad
@@ -4059,6 +4068,10 @@ technologies = {
 			leads_to_tech = aviation_dawn
 			research_cost_coeff = 1
 		}
+		dependencies = {
+			landing_aid_system = 1
+			arresting_gear = 1
+		}
 
 		research_cost = 1.5
 
@@ -4228,16 +4241,21 @@ technologies = {
 	}
 
 	arresting_gear = {
-		research_cost = 0.5
+		research_cost = 0.75
 		start_year = 1925
 
-		sortie_efficiency = 0.05
+		sortie_efficiency = 0.1
 
 		folder = {
 			name = mtgnavalfolder
 			position = { x = 0 y = @1924_module }
 		}
 
+		path = {
+			leads_to_tech = basic_ship_hull_carrier
+			research_cost_coeff = 1
+		}
+
 		ai_will_do = {
 			factor = 1
 		}
@@ -4251,11 +4269,13 @@ technologies = {
 	}
 
 	landing_aid_system = {
-		research_cost = 0.5
+		research_cost = 0.75
 		start_year = 1925
 
-		carrier_traffic = 0.1
-		carrier_night_traffic = 0.05
+		air_accidents_factor = -0.05
+		carrier = {
+			reliability = 0.05
+		}
 		enable_equipment_modules = {
 			carrier_aviation_control_unit
 		}
@@ -4265,6 +4285,11 @@ technologies = {
 			position = { x = -2 y = @1924_module }
 		}
 
+		path = {
+			leads_to_tech = basic_ship_hull_carrier
+			research_cost_coeff = 1
+		}
+
 		ai_will_do = {
 			factor = 2
 		}
@@ -4285,7 +4310,8 @@ technologies = {
 		xp_boost_cost = 20
 		xp_research_bonus = 1.25
 
-		air_carrier_night_penalty_reduction_factor = 0.1
+		air_carrier_night_penalty_reduction_factor = 0.05
+		carrier_night_traffic = 0.05
 
 		folder = {
 			name = mtgnavalfolder
@@ -4403,13 +4429,18 @@ technologies = {
 
 	carrier_damage_control = {
 		research_cost = 1.25
-		start_year = 1940
+		start_year = 1941
 
 		xp_research_type = navy
 		xp_boost_cost = 20
 		xp_research_bonus = 1.25
 
+		dependencies = {
+			damage_control_3 = 1
+		}
+
 		carrier = {
+			max_organisation = 10
 			max_strength = 0.1
 			reliability = 0.05
 		}
@@ -4542,9 +4573,7 @@ technologies = {
 		xp_research_bonus = 1.25
 
 		carrier_capacity_penalty_reduction = -0.1
-		carrier = {
-			anti_air_attack = 0.1
-		}
+		fighter_sortie_efficiency = 0.15
 
 		folder = {
 			name = mtgnavalfolder
@@ -4618,6 +4647,7 @@ technologies = {
 			armor_value = 0.2
 			anti_air_attack = 0.05
 			reliability = 0.05
+			max_organisation = 10
 		}
 		enable_equipment_modules = {
 			carrier_strength_deck
@@ -4768,7 +4798,7 @@ technologies = {
 		research_cost = 1
 		start_year = 1951
 
-		carrier_traffic = 0.1
+		air_accidents_factor = -0.1
 		carrier_night_traffic = 0.1
 
 		folder = {
@@ -5733,6 +5763,8 @@ technologies = {
 		enable_equipment_modules = {
 			ship_hull_cruiser_role_rc
 			ship_cruiser_camo_1
+			ship_hull_cruiser_role_pz
+			ship_hull_cruiser_role_pbb
 		}
 
 		research_cost = 0.6
diff --git a/src/common/technologies/MTG_naval_Support.txt b/src/common/technologies/MTG_naval_Support.txt
index 5cd3bf0..afac8f7 100755
--- a/src/common/technologies/MTG_naval_Support.txt
+++ b/src/common/technologies/MTG_naval_Support.txt
@@ -2051,7 +2051,7 @@ technologies = {
 ###  #  # #   # #  #  ##  ###      ##   ##  #  #  #  #  #  ##  ###
 
 	damage_control_1 = {
-
+		start_year = 1918
 		research_cost = 0.75
 		path = {
 			leads_to_tech = damage_control_2
@@ -2092,7 +2092,7 @@ technologies = {
 	}
 
 	damage_control_2 = {
-
+		start_year = 1938
 		research_cost = 0.75
 		path = {
 			leads_to_tech = damage_control_3
@@ -2133,7 +2133,7 @@ technologies = {
 	}
 
 	damage_control_3 = {
-
+		start_year = 1940
 		research_cost = 1
 		critical_receive_chance = -0.05
 		naval_critical_effect_factor = -0.1
diff --git a/src/events/ai_ships.txt b/src/events/ai_ships.txt
index 3941786..7b8925c 100755
--- a/src/events/ai_ships.txt
+++ b/src/events/ai_ships.txt
@@ -301,6 +301,7 @@ country_event = {
 					improved_ship_hull_heavy = 1 
 					improved_ship_hull_light = 1 
 					improved_ship_hull_cruiser = 1 
+					improved_ship_hull_submarine = 1
 					antiair2 = 1 
 					antiair3 = 1 
 					improved_fire_control_system = 1 
@@ -389,15 +390,10 @@ country_event = {
 					destroyer_mass_production = 1
 					ducol_steel = 1
 					homogeneous_krupp_steel = 1
-					folding_wing = 1
-					carrier_mass_production = 1
-					carrier_damage_control = 1
-					air_fuel_storage = 1
 
 					modern_ship_torpedo_launcher = 1
 					
-					damage_control_2 = 1
-					fire_control_methods_2 = 1
+					fire_control_methods_3 = 1
 				}
 				ai_get_navy_experience = yes
 			}
@@ -427,10 +423,9 @@ country_event = {
 					improved_submarine_snorkel = 1
 					sub_AIP_engine = 1
 					anechoic_tile = 1
-					damage_control_3 = 1
-					fire_control_methods_3 = 1
 					radar_jammer = 1
 					naval_radio_guiding_system = 1
+					full_armored_carrier = 1
 				}
 				ai_get_navy_experience = yes
 			}
@@ -463,7 +458,6 @@ country_event = {
 					ship_to_ship_missile = 1
 					helipad = 1
 					gas_turbine = 1
-					full_armored_carrier = 1
 					carrier_steam_catapult = 1
 					carrier_angled_deck = 1
 				}
@@ -588,7 +582,7 @@ country_event = {
 
 # unlock free cv air techs 1939
 country_event = {
-	id = ai_ships.107
+	id = ai_ships.108
 	hidden = yes
 	fire_only_once = yes
 	trigger = {
@@ -615,7 +609,7 @@ country_event = {
 
 # unlock free cv air techs 1944
 country_event = {
-	id = ai_ships.107
+	id = ai_ships.109
 	hidden = yes
 	fire_only_once = yes
 	trigger = {
@@ -637,4 +631,37 @@ country_event = {
 		}
 		set_global_flag = cv_air_tech_1944
 	}
+}
+
+# unlock free tech in 1941
+country_event = {
+	id = ai_ships.110
+	hidden = yes
+	fire_only_once = yes
+	trigger = {
+		date > 1940.6.1
+		NOT = { has_global_flag = naval_tech_1941 }
+		has_game_rule = { rule = allow_ai_tech_auto_unlock option = FREE }
+	}
+	immediate = {
+		for_each_scope_loop = {
+			array = global.vnr_naval_powers
+			if = {
+				limit = {
+					is_ai = yes
+				}
+				set_technology = {
+					folding_wing = 1
+					carrier_mass_production = 1
+					carrier_damage_control = 1
+					air_fuel_storage = 1
+					damage_control_2 = 1
+					damage_control_3 = 1
+					fire_control_methods_2 = 1
+				}
+				ai_get_navy_experience = yes
+			}
+		}
+		set_global_flag = naval_tech_1941
+	}
 }
\ No newline at end of file