diff --git a/src/common/ai_equipment/vnr_DD_leader.txt b/src/common/ai_equipment/vnr_DD_leader.txt
index e42f027..0e13b5a 100755
--- a/src/common/ai_equipment/vnr_DD_leader.txt
+++ b/src/common/ai_equipment/vnr_DD_leader.txt
@@ -17,7 +17,8 @@ naval_screen_leader = {
 			not = { has_tech = interwar_ship_hull_light }		# WK-era DD has very low HP, they are not worth producing or refitting
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 500.0
 
@@ -51,7 +52,8 @@ naval_screen_leader = {
 			modifier = { factor = 0.1 has_tech = improved_ship_hull_light }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 600.0
 
@@ -85,7 +87,8 @@ naval_screen_leader = {
 			modifier = { factor = 0.1 has_tech = advanced_ship_hull_light }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 800.0
 
@@ -118,7 +121,8 @@ naval_screen_leader = {
 			modifier = { factor = 25 tag = YUW }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 1000.0
 
diff --git a/src/common/ai_equipment/vnr_battleships.txt b/src/common/ai_equipment/vnr_battleships.txt
index 20490ff..ab7ad17 100755
--- a/src/common/ai_equipment/vnr_battleships.txt
+++ b/src/common/ai_equipment/vnr_battleships.txt
@@ -15,7 +15,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 2000.0
 
@@ -51,7 +52,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 3000.0
 
@@ -87,7 +89,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 3500.0
 
@@ -124,7 +127,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 5000.0
 
@@ -161,7 +165,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 5500.0
 
@@ -199,7 +204,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = yes }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 2500.0
 
@@ -238,7 +244,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = no }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 3000.0
 
@@ -270,7 +277,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = no }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 3500.0
 
@@ -304,7 +312,8 @@ naval_capital_battleship = {
 			modifier = { factor = 0 expert_ai_style = no }
 		}
 
-		is_history = yes
+		
+		history = yes
 		target_variant = {
 			match_value = 5000.0