diff --git a/OpenRA.Game/WAngle.cs b/OpenRA.Game/WAngle.cs
index ab16e4b0a5..74cec071bd 100644
--- a/OpenRA.Game/WAngle.cs
+++ b/OpenRA.Game/WAngle.cs
@@ -19,6 +19,7 @@ namespace OpenRA
 	public struct WAngle : IEquatable<WAngle>
 	{
 		public readonly int Angle;
+		public int AngleSquared { get { return (int)Angle * Angle; } }
 
 		public WAngle(int a)
 		{
diff --git a/OpenRA.Mods.Common/Lint/CheckAngle.cs b/OpenRA.Mods.Common/Lint/CheckAngle.cs
new file mode 100644
index 0000000000..64fcb15039
--- /dev/null
+++ b/OpenRA.Mods.Common/Lint/CheckAngle.cs
@@ -0,0 +1,70 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2016 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Mods.Common.Projectiles;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	class CheckAngle : ILintRulesPass
+	{
+		public void Run(Action<string> emitError, Action<string> emitWarning, Ruleset rules)
+		{
+			foreach (var weaponInfo in rules.Weapons)
+			{
+				var missile = weaponInfo.Value.Projectile as MissileInfo;
+				if (missile != null)
+				{
+					var minAngle = missile.MinimumLaunchAngle.Angle;
+					var maxAngle = missile.MaximumLaunchAngle.Angle;
+
+					// If both angles are identical, we only need to test one of them
+					var testMaxAngle = minAngle != maxAngle;
+					CheckLaunchAngles(weaponInfo.Key, minAngle, testMaxAngle, maxAngle, emitError);
+				}
+
+				var bullet = weaponInfo.Value.Projectile as BulletInfo;
+				if (bullet != null)
+				{
+					var minAngle = bullet.LaunchAngle[0].Angle;
+					var maxAngle = bullet.LaunchAngle.Length > 1 ? bullet.LaunchAngle[1].Angle : minAngle;
+
+					// If both angles are identical, we only need to test one of them
+					var testMaxAngle = minAngle != maxAngle;
+					CheckLaunchAngles(weaponInfo.Key, minAngle, testMaxAngle, maxAngle, emitError);
+				}
+			}
+		}
+
+		static bool InvalidAngle(int value)
+		{
+			return value > 255 && value < 769;
+		}
+
+		static void CheckLaunchAngles(string weaponInfo, int minAngle, bool testMaxAngle, int maxAngle, Action<string> emitError)
+		{
+			if (InvalidAngle(minAngle))
+				emitError("Weapon `{0}`: Projectile minimum LaunchAngle must not exceed (-)255!".F(weaponInfo));
+			if (testMaxAngle && InvalidAngle(maxAngle))
+				emitError("Weapon `{0}`: Projectile maximum LaunchAngle must not exceed (-)255!".F(weaponInfo));
+
+			if ((minAngle < 256) && (maxAngle < 256) && (minAngle > maxAngle))
+				emitError("Weapon `{0}`: Projectile minimum LaunchAngle must not exceed maximum LaunchAngle!".F(weaponInfo));
+			if ((minAngle > 768) && (maxAngle > 768) && (minAngle > maxAngle))
+				emitError("Weapon `{0}`: Projectile minimum LaunchAngle must not exceed maximum LaunchAngle!".F(weaponInfo));
+			if ((minAngle < 256) && (maxAngle > 768))
+				emitError("Weapon `{0}`: Projectile minimum LaunchAngle must not exceed maximum LaunchAngle!".F(weaponInfo));
+		}
+	}
+}
diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index f69b054427..b8d3d5eb41 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -168,6 +168,7 @@
     <Compile Include="HitShapes\Capsule.cs" />
     <Compile Include="HitShapes\Circle.cs" />
     <Compile Include="Lint\CheckBuildingFootprint.cs" />
+    <Compile Include="Lint\CheckAngle.cs" />
     <Compile Include="Lint\CheckSequences.cs" />
     <Compile Include="Lint\CheckPalettes.cs" />
     <Compile Include="Lint\CheckPlayers.cs" />
diff --git a/OpenRA.Mods.Common/Projectiles/Bullet.cs b/OpenRA.Mods.Common/Projectiles/Bullet.cs
index 3d4685a9b9..3e45d5f201 100644
--- a/OpenRA.Mods.Common/Projectiles/Bullet.cs
+++ b/OpenRA.Mods.Common/Projectiles/Bullet.cs
@@ -61,7 +61,7 @@ namespace OpenRA.Mods.Common.Projectiles
 		public readonly WDist TargetExtraSearchRadius = new WDist(1536);
 
 		[Desc("Arc in WAngles, two values indicate variable arc.")]
-		public readonly WAngle[] Angle = { WAngle.Zero };
+		public readonly WAngle[] LaunchAngle = { WAngle.Zero };
 
 		[Desc("Interval in ticks between each spawned Trail animation.")]
 		public readonly int TrailInterval = 2;
@@ -97,11 +97,11 @@ namespace OpenRA.Mods.Common.Projectiles
 		string trailPalette;
 
 		[Sync] WPos pos, target;
-		[Sync] int length;
+		int length;
 		[Sync] int facing;
-		[Sync] int ticks, smokeTicks;
+		int ticks, smokeTicks;
 
-		[Sync] public Actor SourceActor { get { return args.SourceActor; } }
+		public Actor SourceActor { get { return args.SourceActor; } }
 
 		public Bullet(BulletInfo info, ProjectileArgs args)
 		{
@@ -111,10 +111,10 @@ namespace OpenRA.Mods.Common.Projectiles
 
 			var world = args.SourceActor.World;
 
-			if (info.Angle.Length > 1)
-				angle = new WAngle(world.SharedRandom.Next(info.Angle[0].Angle, info.Angle[1].Angle));
+			if (info.LaunchAngle.Length > 1)
+				angle = new WAngle(world.SharedRandom.Next(info.LaunchAngle[0].Angle, info.LaunchAngle[1].Angle));
 			else
-				angle = info.Angle[0];
+				angle = info.LaunchAngle[0];
 
 			if (info.Speed.Length > 1)
 				speed = new WDist(world.SharedRandom.Next(info.Speed[0].Length, info.Speed[1].Length));
diff --git a/OpenRA.Mods.Common/Projectiles/Missile.cs b/OpenRA.Mods.Common/Projectiles/Missile.cs
index eb4f80c546..2342d10640 100644
--- a/OpenRA.Mods.Common/Projectiles/Missile.cs
+++ b/OpenRA.Mods.Common/Projectiles/Missile.cs
@@ -159,6 +159,11 @@ namespace OpenRA.Mods.Common.Projectiles
 		readonly Animation anim;
 
 		readonly WVec gravity;
+		readonly int minLaunchSpeed;
+		readonly int maxLaunchSpeed;
+		readonly int maxSpeed;
+		readonly WAngle minLaunchAngle;
+		readonly WAngle maxLaunchAngle;
 
 		int ticks;
 
@@ -201,6 +206,11 @@ namespace OpenRA.Mods.Common.Projectiles
 			gravity = new WVec(0, 0, -info.Gravity);
 			targetPosition = args.PassiveTarget;
 			rangeLimit = info.RangeLimit != WDist.Zero ? info.RangeLimit : args.Weapon.Range;
+			minLaunchSpeed = info.MinimumLaunchSpeed.Length > -1 ? info.MinimumLaunchSpeed.Length : info.Speed.Length;
+			maxLaunchSpeed = info.MaximumLaunchSpeed.Length > -1 ? info.MaximumLaunchSpeed.Length : info.Speed.Length;
+			maxSpeed = info.Speed.Length;
+			minLaunchAngle = info.MinimumLaunchAngle;
+			maxLaunchAngle = info.MaximumLaunchAngle;
 
 			var world = args.SourceActor.World;
 
@@ -248,13 +258,11 @@ namespace OpenRA.Mods.Common.Projectiles
 		void DetermineLaunchSpeedAndAngleForIncline(int predClfDist, int diffClfMslHgt, int relTarHorDist,
 			out int speed, out int vFacing)
 		{
-			var minLaunchSpeed = info.MinimumLaunchSpeed.Length > -1 ? info.MinimumLaunchSpeed.Length : info.Speed.Length;
-			var maxLaunchSpeed = info.MaximumLaunchSpeed.Length > -1 ? info.MaximumLaunchSpeed.Length : info.Speed.Length;
-			speed = info.MaximumLaunchSpeed.Length > -1 ? info.MaximumLaunchSpeed.Length : info.Speed.Length;
+			speed = maxLaunchSpeed;
 
 			// Find smallest vertical facing, for which the missile will be able to climb terrAltDiff w-units
 			// within hHeightChange w-units all the while ending the ascent with vertical facing 0
-			vFacing = info.MaximumLaunchAngle.Angle >> 2;
+			vFacing = maxLaunchAngle.Angle >> 2;
 
 			// Compute minimum speed necessary to both be able to face directly upwards and have enough space
 			// to hit the target without passing it by (and thus having to do horizontal loops)
@@ -282,8 +290,8 @@ namespace OpenRA.Mods.Common.Projectiles
 				// Find least vertical facing that will allow the missile to climb
 				// terrAltDiff w-units within hHeightChange w-units
 				// all the while ending the ascent with vertical facing 0
-				vFacing = BisectionSearch(System.Math.Max((sbyte)(info.MinimumLaunchAngle.Angle >> 2), (sbyte)0),
-					(sbyte)(info.MaximumLaunchAngle.Angle >> 2),
+				vFacing = BisectionSearch(System.Math.Max((sbyte)(minLaunchAngle.Angle >> 2), (sbyte)0),
+					(sbyte)(maxLaunchAngle.Angle >> 2),
 					vFac => !WillClimbWithinDistance(vFac, loopRadius, predClfDist, diffClfMslHgt)) + 1;
 			}
 		}
@@ -291,7 +299,7 @@ namespace OpenRA.Mods.Common.Projectiles
 		// TODO: Double check Launch parameter determination
 		void DetermineLaunchSpeedAndAngle(World world, out int speed, out int vFacing)
 		{
-			speed = info.MaximumLaunchSpeed.Length > -1 ? info.MaximumLaunchSpeed.Length : info.Speed.Length;
+			speed = maxLaunchSpeed;
 			loopRadius = LoopRadius(speed, info.VerticalRateOfTurn);
 
 			// Compute current distance from target position
@@ -309,8 +317,8 @@ namespace OpenRA.Mods.Common.Projectiles
 				DetermineLaunchSpeedAndAngleForIncline(predClfDist, diffClfMslHgt, relTarHorDist, out speed, out vFacing);
 			else if (lastHt != 0)
 			{
-				vFacing = System.Math.Max((sbyte)(info.MinimumLaunchAngle.Angle >> 2), (sbyte)0);
-				speed = info.MaximumLaunchSpeed.Length > -1 ? info.MaximumLaunchSpeed.Length : info.Speed.Length;
+				vFacing = System.Math.Max((sbyte)(minLaunchAngle.Angle >> 2), (sbyte)0);
+				speed = maxLaunchSpeed;
 			}
 			else
 			{
@@ -324,8 +332,8 @@ namespace OpenRA.Mods.Common.Projectiles
 					vFacing = 0;
 
 				// Make sure the chosen vertical facing adheres to prescribed bounds
-				vFacing = vFacing.Clamp((sbyte)(info.MinimumLaunchAngle.Angle >> 2),
-					(sbyte)(info.MaximumLaunchAngle.Angle >> 2));
+				vFacing = vFacing.Clamp((sbyte)(minLaunchAngle.Angle >> 2),
+					(sbyte)(maxLaunchAngle.Angle >> 2));
 			}
 		}
 
@@ -404,7 +412,7 @@ namespace OpenRA.Mods.Common.Projectiles
 
 		void ChangeSpeed(int sign = 1)
 		{
-			speed = (speed + sign * info.Acceleration.Length).Clamp(0, info.Speed.Length);
+			speed = (speed + sign * info.Acceleration.Length).Clamp(0, maxSpeed);
 
 			// Compute the vertical loop radius
 			loopRadius = LoopRadius(speed, info.VerticalRateOfTurn);
@@ -415,7 +423,7 @@ namespace OpenRA.Mods.Common.Projectiles
 			// Compute the projectile's freefall displacement
 			var move = velocity + gravity / 2;
 			velocity += gravity;
-			var velRatio = info.Speed.Length * 1024 / velocity.Length;
+			var velRatio = maxSpeed * 1024 / velocity.Length;
 			if (velRatio < 1024)
 				velocity = velocity * velRatio / 1024;
 
diff --git a/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs b/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
index 5db2a92216..782bee908a 100644
--- a/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
@@ -497,6 +497,13 @@ namespace OpenRA.Mods.Common.UtilityCommands
 						node.Key = "Duration";
 				}
 
+				// Rename Bullet Angle to LaunchAngle
+				if (engineVersion < 20161016)
+				{
+					if (node.Key == "Angle")
+						node.Key = "LaunchAngle";
+				}
+
 				UpgradeWeaponRules(modData, engineVersion, ref node.Value.Nodes, node, depth + 1);
 			}
 		}
diff --git a/mods/cnc/weapons/largecaliber.yaml b/mods/cnc/weapons/largecaliber.yaml
index 1dcaf70d0f..9640081dba 100644
--- a/mods/cnc/weapons/largecaliber.yaml
+++ b/mods/cnc/weapons/largecaliber.yaml
@@ -123,7 +123,7 @@ ArtilleryShell:
 	Projectile: Bullet
 		Speed: 204
 		Blockable: false
-		Angle: 56
+		LaunchAngle: 56
 		Inaccuracy: 1c256
 		ContrailLength: 30
 		Image: 120MM
diff --git a/mods/cnc/weapons/missiles.yaml b/mods/cnc/weapons/missiles.yaml
index d180e19281..8427920041 100644
--- a/mods/cnc/weapons/missiles.yaml
+++ b/mods/cnc/weapons/missiles.yaml
@@ -182,7 +182,7 @@ MammothMissiles:
 		Blockable: false
 		Shadow: true
 		Inaccuracy: 853
-		Angle: 62
+		LaunchAngle: 62
 		Image: DRAGON
 		RateOfTurn: 2
 		ContrailLength: 10
@@ -349,7 +349,7 @@ HonestJohn:
 		TrailImage: smokey
 		Speed: 187
 		RangeLimit: 35
-		Angle: 88
+		LaunchAngle: 88
 	Warhead@1Dam: SpreadDamage
 		Spread: 256
 		Damage: 100
diff --git a/mods/cnc/weapons/other.yaml b/mods/cnc/weapons/other.yaml
index 6ae400d624..1b98b624ff 100644
--- a/mods/cnc/weapons/other.yaml
+++ b/mods/cnc/weapons/other.yaml
@@ -81,7 +81,7 @@ Grenade:
 	Projectile: Bullet
 		Speed: 140
 		Blockable: false
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 213
 		Image: BOMB
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/d2k/weapons/debris.yaml b/mods/d2k/weapons/debris.yaml
index 7f52a09c79..5d1dbe5833 100644
--- a/mods/d2k/weapons/debris.yaml
+++ b/mods/d2k/weapons/debris.yaml
@@ -4,7 +4,7 @@ Debris:
 	Projectile: Bullet
 		Speed: 32, 96
 		Blockable: false
-		Angle: 30, 90
+		LaunchAngle: 30, 90
 		Inaccuracy: 1c256
 		Image: shrapnel
 	Warhead@1Dam: SpreadDamage
@@ -36,7 +36,7 @@ Debris2:
 	Projectile: Bullet
 		Speed: 32, 96
 		Blockable: false
-		Angle: 30, 90
+		LaunchAngle: 30, 90
 		Inaccuracy: 1c256
 		Image: shrapnel2
 		TrailImage: bazooka_trail
@@ -71,7 +71,7 @@ Debris3:
 	Projectile: Bullet
 		Speed: 32, 96
 		Blockable: false
-		Angle: 30, 90
+		LaunchAngle: 30, 90
 		Inaccuracy: 1c256
 		Image: shrapnel3
 		TrailImage: large_trail
@@ -106,7 +106,7 @@ Debris4:
 	Projectile: Bullet
 		Speed: 32, 96
 		Blockable: false
-		Angle: 30, 90
+		LaunchAngle: 30, 90
 		Inaccuracy: 1c256
 		Image: shrapnel4
 		TrailImage: large_trail
diff --git a/mods/d2k/weapons/largeguns.yaml b/mods/d2k/weapons/largeguns.yaml
index eb375e449c..34ba5fd164 100644
--- a/mods/d2k/weapons/largeguns.yaml
+++ b/mods/d2k/weapons/largeguns.yaml
@@ -99,7 +99,7 @@ DevBullet:
 		Speed: 192
 		Blockable: false
 		Shadow: yes
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 768
 		ContrailLength: 20
 		Image: 155mm
diff --git a/mods/d2k/weapons/other.yaml b/mods/d2k/weapons/other.yaml
index 4864fca353..5d000c5ca3 100644
--- a/mods/d2k/weapons/other.yaml
+++ b/mods/d2k/weapons/other.yaml
@@ -192,7 +192,7 @@ grenade:
 	Projectile: Bullet
 		Speed: 256
 		Blockable: false
-		Angle: 75
+		LaunchAngle: 75
 		Inaccuracy: 416
 		Image: grenade
 		Shadow: true
@@ -261,7 +261,7 @@ SpiceExplosion:
 	Projectile: Bullet
 		Speed: 50, 75
 		Blockable: false
-		Angle: 60, 90
+		LaunchAngle: 60, 90
 		TrailImage: large_trail
 		Image: 120mm
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/ra/weapons/largecaliber.yaml b/mods/ra/weapons/largecaliber.yaml
index 8fc6d68f20..cf692d8287 100644
--- a/mods/ra/weapons/largecaliber.yaml
+++ b/mods/ra/weapons/largecaliber.yaml
@@ -146,7 +146,7 @@ TurretGun:
 	Projectile: Bullet
 		Speed: 204
 		Blockable: false
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 1c682
 		Image: 120MM
 		ContrailLength: 30
@@ -180,7 +180,7 @@ TurretGun:
 	Projectile: Bullet
 		Speed: 204
 		Blockable: false
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 2c938
 		Image: 120MM
 		ContrailLength: 30
diff --git a/mods/ra/weapons/missiles.yaml b/mods/ra/weapons/missiles.yaml
index dff2748e9d..28e40cbd1c 100644
--- a/mods/ra/weapons/missiles.yaml
+++ b/mods/ra/weapons/missiles.yaml
@@ -251,7 +251,7 @@ SubMissile:
 	Projectile: Bullet
 		Speed: 162
 		Blockable: false
-		Angle: 120
+		LaunchAngle: 120
 		Inaccuracy: 2c938
 		Image: MISSILE
 		TrailImage: smokey
@@ -422,7 +422,7 @@ SCUD:
 		TrailDelay: 5
 		Inaccuracy: 213
 		Image: V2
-		Angle: 62
+		LaunchAngle: 62
 	Warhead@1Dam: SpreadDamage
 		Spread: 341
 		Damage: 45
diff --git a/mods/ra/weapons/other.yaml b/mods/ra/weapons/other.yaml
index bb425b28dc..d776ab5294 100644
--- a/mods/ra/weapons/other.yaml
+++ b/mods/ra/weapons/other.yaml
@@ -36,7 +36,7 @@ Flamer:
 		Speed: 170
 		TrailImage: fb4
 		Image: fb3
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 853
 	Warhead@1Dam: SpreadDamage
 		Spread: 341
@@ -93,7 +93,7 @@ Grenade:
 	Projectile: Bullet
 		Speed: 136
 		Blockable: false
-		Angle: 62
+		LaunchAngle: 62
 		Inaccuracy: 554
 		Image: BOMB
 	Warhead@1Dam: SpreadDamage
@@ -125,7 +125,7 @@ DepthCharge:
 	Projectile: Bullet
 		Speed: 85
 		Image: BOMB
-		Angle: 62
+		LaunchAngle: 62
 		Blockable: false
 		Inaccuracy: 128
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/ts/weapons/bombsandgrenades.yaml b/mods/ts/weapons/bombsandgrenades.yaml
index c8f0a2942d..b320fd6abe 100644
--- a/mods/ts/weapons/bombsandgrenades.yaml
+++ b/mods/ts/weapons/bombsandgrenades.yaml
@@ -5,7 +5,7 @@ Grenade:
 		Speed: 85
 		Blockable: false
 		Shadow: true
-		Angle: 45
+		LaunchAngle: 45
 		Inaccuracy: 384
 		Image: DISCUS
 	Warhead@1Dam: SpreadDamage
@@ -73,7 +73,7 @@ RPGTower:
 		Speed: 384
 		Blockable: false
 		Shadow: true
-		Angle: 62
+		LaunchAngle: 62
 		Image: canister
 		Palette: player
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/ts/weapons/explosions.yaml b/mods/ts/weapons/explosions.yaml
index 98d42e4907..e419809df1 100644
--- a/mods/ts/weapons/explosions.yaml
+++ b/mods/ts/weapons/explosions.yaml
@@ -63,7 +63,7 @@ SmallDebris:
 	Report:
 	Projectile: Bullet
 		Speed: 50, 125
-		Angle: 45, 135
+		LaunchAngle: 45, 135
 		Image: dbrissm
 		Sequences: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
 		Shadow: true
@@ -74,7 +74,7 @@ LargeDebris:
 	Report:
 	Projectile: Bullet
 		Speed: 50, 125
-		Angle: 45, 135
+		LaunchAngle: 45, 135
 		Image: dbrislg
 		Sequences: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
 		Shadow: true
diff --git a/mods/ts/weapons/largeguns.yaml b/mods/ts/weapons/largeguns.yaml
index 31d62f5ab2..4952792ca3 100644
--- a/mods/ts/weapons/largeguns.yaml
+++ b/mods/ts/weapons/largeguns.yaml
@@ -6,7 +6,7 @@
 		Speed: 682
 		Image: 120mm
 		Shadow: true
-		Angle: 75
+		LaunchAngle: 75
 		Palette: ra
 	Warhead@1Dam: SpreadDamage
 		Spread: 128
@@ -70,7 +70,7 @@
 		Speed: 682
 		Image: 120mm
 		Shadow: true
-		Angle: 62
+		LaunchAngle: 62
 		Palette: ra
 	Warhead@1Dam: SpreadDamage
 		Spread: 128
@@ -102,7 +102,7 @@
 	Projectile: Bullet
 		Speed: 170
 		Image: 120mm
-		Angle: 165
+		LaunchAngle: 165
 		Shadow: true
 		Blockable: false
 		Palette: ra
diff --git a/mods/ts/weapons/otherweapons.yaml b/mods/ts/weapons/otherweapons.yaml
index b06dfae0af..e2edaacea2 100644
--- a/mods/ts/weapons/otherweapons.yaml
+++ b/mods/ts/weapons/otherweapons.yaml
@@ -32,7 +32,7 @@ FiendShard:
 		Image: CRYSTAL4
 		Inaccuracy: 512
 		Shadow: true
-		Angle: 60
+		LaunchAngle: 60
 		Palette: greentiberium
 	Warhead@1Dam: SpreadDamage
 		Damage: 35
diff --git a/mods/ts/weapons/superweapons.yaml b/mods/ts/weapons/superweapons.yaml
index 90d7069c10..7c9f6fdf9d 100644
--- a/mods/ts/weapons/superweapons.yaml
+++ b/mods/ts/weapons/superweapons.yaml
@@ -103,7 +103,7 @@ EMPulseCannon:
 		Speed: 425
 		Blockable: false
 		Shadow: true
-		Angle: 62
+		LaunchAngle: 62
 		Image: pulsball
 	Warhead@1Eff: CreateEffect
 		Explosions: pulse_explosion