diff --git a/Data-1.13/Ja2_Options.INI b/Data-1.13/Ja2_Options.INI
index eeccebf65..27894fe39 100644
--- a/Data-1.13/Ja2_Options.INI
+++ b/Data-1.13/Ja2_Options.INI
@@ -3054,10 +3054,12 @@ RND_ENTER_MILITIA_REINFORCEMENTS = 6
 ; Don't allow permanent items removal for no merc in that sector
 NO_REMOVE_RANDOM_SECTOR_ITEMS = TRUE
 
-; Depending on game difficulty enemy patrols at game start can be randomly reinforced with tank.
-ARMY_USES_TANKS_IN_ATTACKS = FALSE
 ; Depending on game difficulty enemy groups created during offensives can include tanks.
-ARMY_USES_TANKS_IN_PATROLS = FALSE
+ARMY_USES_TANKS_IN_ATTACKS = TRUE
+; Depending on game difficulty enemy patrols at game start can be randomly reinforced with. 
+ARMY_USES_TANKS_IN_PATROLS = TRUE
+; Minimum progress required for tanks to appear.
+TANK_MINIMUM_PROGRESS = 30
 
 ;------------------------------------------------------------------------------------------------------------------------------
 ; Vehicle Inventory
diff --git a/Data/Ja2_Options.INI b/Data/Ja2_Options.INI
index b63aa9042..da58b6624 100644
--- a/Data/Ja2_Options.INI
+++ b/Data/Ja2_Options.INI
@@ -3052,10 +3052,12 @@ RND_ENTER_MILITIA_REINFORCEMENTS = 6
 ; Don't allow permanent items removal for no merc in that sector
 NO_REMOVE_RANDOM_SECTOR_ITEMS = FALSE
 
-; Depending on game difficulty enemy patrols at game start can be randomly reinforced with tank.
-ARMY_USES_TANKS_IN_ATTACKS = FALSE
 ; Depending on game difficulty enemy groups created during offensives can include tanks.
+ARMY_USES_TANKS_IN_ATTACKS = FALSE
+; Depending on game difficulty enemy patrols at game start can be randomly reinforced with. 
 ARMY_USES_TANKS_IN_PATROLS = FALSE
+; Minimum progress required for tanks to appear.
+TANK_MINIMUM_PROGRESS = 0
 
 ;------------------------------------------------------------------------------------------------------------------------------
 ; Vehicle Inventory
diff --git a/INIEditorJA2Options.xml b/INIEditorJA2Options.xml
index 94366a670..04d281d54 100644
Binary files a/INIEditorJA2Options.xml and b/INIEditorJA2Options.xml differ