diff --git a/src/main/scala/net/psforever/objects/serverobject/deploy/Interference.scala b/src/main/scala/net/psforever/objects/serverobject/deploy/Interference.scala
index d10f7df8a..16ba67795 100644
--- a/src/main/scala/net/psforever/objects/serverobject/deploy/Interference.scala
+++ b/src/main/scala/net/psforever/objects/serverobject/deploy/Interference.scala
@@ -2,11 +2,13 @@
 package net.psforever.objects.serverobject.deploy
 
 import net.psforever.objects.PlanetSideGameObject
-import net.psforever.objects.definition.ObjectDefinition
+import net.psforever.objects.definition.{DeployableDefinition, ObjectDefinition}
 import net.psforever.objects.serverobject.affinity.FactionAffinity
 import net.psforever.objects.zones.Zone
 import net.psforever.types.{DriveState, Vector3}
 
+import scala.annotation.unused
+
 /**
  * Block the deployment of certain entities within a certain distance.
  * Deployable vehicles and combat engineer entities both have a deployment condition that can be influenced by these ranges.
@@ -65,30 +67,62 @@ object Interference {
                     zone: Zone,
                     obj: PlanetSideGameObject with FactionAffinity
                   ): (List[PlanetSideGameObject with FactionAffinity], PlanetSideGameObject => Boolean) = {
-    val position = obj.Position
-    val faction = obj.Faction
     val objectDefinition = obj.Definition
-    val sharedGroupId = objectDefinition.interference.sharedGroupId
-    val sector = zone.blockMap.sector(position, Interference.MaxRange)
-    (
-      (sector.deployableList ++ sector.vehicleList.filter(_.DeploymentState == DriveState.Deployed)).filter(_.Faction == faction),
-      interferenceTest(position, sharedGroupId != 0, sharedGroupId, objectDefinition)
-    )
+    if (objectDefinition.interference eq Interference.AllowAll) {
+      (List(), interferenceTestNoResults) //no targets can block, and test will never pass
+    } else {
+      val position = obj.Position
+      val faction = obj.Faction
+      val sharedGroupId = objectDefinition.interference.sharedGroupId
+      val sector = zone.blockMap.sector(position, Interference.MaxRange)
+      val targets = (sector.deployableList ++ sector.vehicleList.filter(_.DeploymentState >= DriveState.Deploying))
+        .collect { case target: PlanetSideGameObject with FactionAffinity
+          if target.Faction != faction &&
+            (target.Definition.asInstanceOf[ObjectDefinition].interference ne Interference.AllowAll) =>
+          target
+        }
+      if (sharedGroupId != 0) {
+        (targets, interferenceTestWithSharedGroup(position, objectDefinition, sharedGroupId))
+      } else {
+        (targets, interferenceTestNoSharedGroup(position, objectDefinition))
+      }
+    }
   }
 
-  private def interferenceTest(
-                                position: Vector3,
-                                inAGroup: Boolean,
-                                sharedGroupId: Int,
-                                objectDefinition: ObjectDefinition
-                              ): PlanetSideGameObject => Boolean = { p =>
+  private def interferenceTestNoResults(@unused p: PlanetSideGameObject): Boolean = false
+
+  private def interferenceTestNoSharedGroup(
+                                             position: Vector3,
+                                             objectDefinition: ObjectDefinition
+                                           ): PlanetSideGameObject => Boolean = { p =>
     val pDefinition = p.Definition
-    val otherInterference = pDefinition.interference
-    (otherInterference ne Interference.AllowAll) && {
-      lazy val distanceSq = Vector3.DistanceSquared(position, p.Position)
-      (pDefinition == objectDefinition && distanceSq < otherInterference.main * otherInterference.main) ||
-        (inAGroup && sharedGroupId == otherInterference.sharedGroupId && distanceSq < otherInterference.shared * otherInterference.shared) ||
-        distanceSq < otherInterference.deployables * otherInterference.deployables
+    val objectInterference = objectDefinition.interference
+    lazy val distanceSq = Vector3.DistanceSquared(position, p.Position)
+    if (pDefinition == objectDefinition) {
+      distanceSq < objectInterference.main * objectInterference.main
+    } else if (pDefinition.isInstanceOf[DeployableDefinition]) {
+      distanceSq < objectInterference.deployables * objectInterference.deployables
+    } else {
+      false
+    }
+  }
+
+  private def interferenceTestWithSharedGroup(
+                                               position: Vector3,
+                                               objectDefinition: ObjectDefinition,
+                                               sharedGroupId: Int
+                                             ): PlanetSideGameObject => Boolean = { p =>
+    val pDefinition = p.Definition
+    val objectInterference = objectDefinition.interference
+    lazy val distanceSq = Vector3.DistanceSquared(position, p.Position)
+    if (pDefinition == objectDefinition) {
+      distanceSq < objectInterference.main * objectInterference.main
+    } else if (sharedGroupId == pDefinition.interference.sharedGroupId) {
+      distanceSq < objectInterference.shared * objectInterference.shared
+    } else if (pDefinition.isInstanceOf[DeployableDefinition]) {
+      distanceSq < objectInterference.deployables * objectInterference.deployables
+    } else {
+      false
     }
   }
 }
diff --git a/src/main/scala/net/psforever/objects/zones/ZoneVehicleActor.scala b/src/main/scala/net/psforever/objects/zones/ZoneVehicleActor.scala
index b0b1ed6b2..42a7b732b 100644
--- a/src/main/scala/net/psforever/objects/zones/ZoneVehicleActor.scala
+++ b/src/main/scala/net/psforever/objects/zones/ZoneVehicleActor.scala
@@ -66,20 +66,12 @@ class ZoneVehicleActor(
 
     case Zone.Vehicle.TryDeploymentChange(vehicle, toDeployState)
       if toDeployState == DriveState.Deploying &&
-        (ZoneVehicleActor.temporaryInterferenceTest(vehicle,temporaryInterference) || Interference.Test(zone, vehicle).nonEmpty) =>
+        (ZoneVehicleActor.temporaryInterferenceTest(vehicle, temporaryInterference) || Interference.Test(zone, vehicle).nonEmpty) =>
       sender() ! Zone.Vehicle.CanNotDeploy(zone, vehicle, toDeployState, "blocked by a nearby entity")
 
     case Zone.Vehicle.TryDeploymentChange(vehicle, toDeployState)
       if toDeployState == DriveState.Deploying =>
-      import scala.concurrent.duration._
-      import scala.concurrent.ExecutionContext.Implicits.global
-      val position = vehicle.Position
-      temporaryInterference = temporaryInterference :+ (position, vehicle.Faction, vehicle.Definition)
-      context.system.scheduler.scheduleOnce(
-        vehicle.Definition.DeployTime.milliseconds,
-        self,
-        ZoneVehicleActor.ClearInterference(position)
-      )
+      tryAddToInterferenceField(vehicle.Position, vehicle.Faction, vehicle.Definition)
       vehicle.Actor.tell(Deployment.TryDeploymentChange(toDeployState), sender())
 
     case Zone.Vehicle.TryDeploymentChange(vehicle, toDeployState) =>
@@ -98,6 +90,25 @@ class ZoneVehicleActor(
 
     case _ => ()
   }
+
+  private def tryAddToInterferenceField(
+                                         position: Vector3,
+                                         faction: PlanetSideEmpire.Value,
+                                         definition: VehicleDefinition
+                                       ): Boolean = {
+    import scala.concurrent.duration._
+    import scala.concurrent.ExecutionContext.Implicits.global
+    val causesInterference = definition.interference ne Interference.AllowAll
+    if (causesInterference) {
+      temporaryInterference = temporaryInterference :+ (position, faction, definition)
+      context.system.scheduler.scheduleOnce(
+        definition.DeployTime.milliseconds,
+        self,
+        ZoneVehicleActor.ClearInterference(position)
+      )
+    }
+    causesInterference
+  }
 }
 
 object ZoneVehicleActor {
@@ -122,14 +133,15 @@ object ZoneVehicleActor {
     val vPosition = vehicle.Position
     val vFaction = vehicle.Faction
     val vDefinition = vehicle.Definition
-    existingInterferences
-      .collect { case (p, faction, d) if faction == vFaction => (p, d) }
-      .exists { case (position, definition) =>
-        val interference = definition.interference
-        (interference ne Interference.AllowAll) && {
-          lazy val distanceSq = Vector3.DistanceSquared(position, vPosition)
-          definition == vDefinition && distanceSq < interference.main * interference.main
+    (vDefinition.interference eq Interference.AllowAll) ||
+      existingInterferences
+        .collect { case (p, faction, d) if faction == vFaction => (p, d) }
+        .exists { case (position, definition) =>
+          val interference = definition.interference
+          (interference ne Interference.AllowAll) && {
+            lazy val distanceSq = Vector3.DistanceSquared(position, vPosition)
+            definition == vDefinition && distanceSq < interference.main * interference.main
+          }
         }
-      }
   }
 }