diff --git a/mods/ra/rules/ships.yaml b/mods/ra/rules/ships.yaml
index 456a751952..69decd7550 100644
--- a/mods/ra/rules/ships.yaml
+++ b/mods/ra/rules/ships.yaml
@@ -62,7 +62,7 @@ MSUB:
 		BuildPaletteOrder: 60
 		Prerequisites: ~spen, stek, ~techlevel.high
 	Valued:
-		Cost: 2400
+		Cost: 2000
 	Tooltip:
 		Name: Missile Submarine
 		Description: Submerged anti-ground unit armed with\nlong-range ballistic missiles.\nCan detect other submarines.\n  Strong vs Buildings, Ground units\n  Weak vs Naval units, Aircraft\n  Special Ability: Submerge
@@ -71,7 +71,7 @@ MSUB:
 	Armor:
 		Type: Light
 	Mobile:
-		TurnSpeed: 3
+		TurnSpeed: 2
 		Speed: 42
 	RevealsShroud:
 		Range: 6c0
@@ -91,10 +91,14 @@ MSUB:
 		UncloakSound: subshow1.aud
 		WhileCloakedUpgrades: underwater
 		Palette: submerged
-	Armament:
+	Armament@PRIMARY:
 		Weapon: SubMissile
 		LocalOffset: 0,-171,0, 0,171,0
 		FireDelay: 2
+	Armament@SECONDARY:
+		Weapon: SubMissileAA
+		LocalOffset: 0,-171,0, 0,171,0
+		FireDelay: 2
 	AttackFrontal:
 	SelectionDecorations:
 		VisualBounds: 44,44
diff --git a/mods/ra/weapons/missiles.yaml b/mods/ra/weapons/missiles.yaml
index b842f94876..a53aa2e761 100644
--- a/mods/ra/weapons/missiles.yaml
+++ b/mods/ra/weapons/missiles.yaml
@@ -249,16 +249,16 @@ SubMissile:
 	Burst: 2
 	Report: missile6.aud
 	Projectile: Bullet
-		Speed: 102
+		Speed: 162
 		Blockable: false
-		Angle: 165
+		Angle: 105
 		Inaccuracy: 2c938
 		Image: MISSILE
 		TrailImage: smokey
 		ContrailLength: 30
 	Warhead@1Dam: SpreadDamage
 		Spread: 426
-		Damage: 30
+		Damage: 25
 		Falloff: 1000, 368, 135, 50, 18, 7, 0
 		Versus:
 			None: 40
@@ -277,6 +277,19 @@ SubMissile:
 		ImpactSounds: splash9.aud
 		ValidImpactTypes: Water
 
+SubMissileAA:
+	Inherits: SubMissile
+	Range: 6c0
+	ValidTargets: Air
+	Projectile: Missile
+		Speed: 162
+		Inaccuracy: 0c938
+		HorizontalRateOfTurn: 1
+		RangeLimit: 7c0
+	Warhead@1Dam: SpreadDamage
+		Damage: 20
+		ValidTargets: Air
+
 Stinger:
 	ReloadDelay: 60
 	Range: 9c0