diff --git a/mods/ra/maps/intervention/intervention.lua b/mods/ra/maps/intervention/intervention.lua
index a4030baddc..a7f4a6667e 100644
--- a/mods/ra/maps/intervention/intervention.lua
+++ b/mods/ra/maps/intervention/intervention.lua
@@ -40,7 +40,6 @@ BaseRearAttackWpts = { GroundAttackWpt1.Location, BaseRearAttackWpt1.Location, B
 SovietHarvesters = { Harvester1, Harvester2, Harvester3 }
 HarvesterGuard = { HarvGuard1, HarvGuard2, HarvGuard3 }
 
-UBoats = { Uboat1, Uboat2, Uboat3, Uboat4, Uboat5, Uboat6 }
 UboatPatrolWpts1 = { UboatPatrolWpt1.Location, UboatPatrolWpt2.Location, UboatPatrolWpt3.Location, UboatPatrolWpt4.Location }
 UboatPatrolWpts2 = { UboatPatrolWpt4.Location, UboatPatrolWpt2.Location, UboatPatrolWpt1.Location }
 UBoatPatrolUnits = { "ss" }
@@ -183,8 +182,6 @@ SetupWorld = function()
 		end)
 	end)
 
-	Utils.Do(UBoats, function(a) a.Stance = "Defend" end)
-
 	Utils.Do(Map.NamedActors, function(actor)
 		if actor.Owner == soviets and actor.HasProperty("StartBuildingRepairs") then
 			Trigger.OnDamaged(actor, function(building)
diff --git a/mods/ra/maps/intervention/map.yaml b/mods/ra/maps/intervention/map.yaml
index a3a9de9f93..51a8b9d539 100644
--- a/mods/ra/maps/intervention/map.yaml
+++ b/mods/ra/maps/intervention/map.yaml
@@ -2053,26 +2053,32 @@ Actors:
 		Location: 17,92
 		Owner: Soviets
 		Facing: 128
+		Stance: Defend
 	Uboat2: ss
 		Location: 20,91
 		Owner: Soviets
 		Facing: 128
+		Stance: Defend
 	Uboat3: ss
 		Location: 17,112
 		Owner: Soviets
 		Facing: 192
+		Stance: Defend
 	Uboat4: ss
 		Location: 34,120
 		Owner: Soviets
 		Facing: 160
+		Stance: Defend
 	Uboat5: ss
 		Location: 24,126
 		Owner: Soviets
 		Facing: 160
+		Stance: Defend
 	Uboat6: ss
 		Location: 29,131
 		Owner: Soviets
 		Facing: 192
+		Stance: Defend
 	WarFactory: weap
 		Location: 70,72
 		Owner: Soviets