diff --git a/Barotrauma/BarotraumaClient/Source/Screens/ServerListScreen.cs b/Barotrauma/BarotraumaClient/Source/Screens/ServerListScreen.cs
index 1f146ab06..0344ba7c1 100644
--- a/Barotrauma/BarotraumaClient/Source/Screens/ServerListScreen.cs
+++ b/Barotrauma/BarotraumaClient/Source/Screens/ServerListScreen.cs
@@ -218,22 +218,6 @@ namespace Barotrauma
             return true;
         }
 
-        private bool RefreshJoinButtonState(GUIComponent component, object obj)
-        {
-            if (obj == null || waitingForRefresh) { return false; }
-
-            if (!string.IsNullOrWhiteSpace(clientNameBox.Text) && !string.IsNullOrWhiteSpace(ipBox.Text))
-            {
-                joinButton.Enabled = true;
-            }
-            else
-            {
-                joinButton.Enabled = false;
-            }
-
-            return true;
-        }
-
         private bool SelectServer(GUIComponent component, object obj)
         {
             if (obj == null || waitingForRefresh) { return false; }
diff --git a/Barotrauma/BarotraumaShared/Source/Characters/AI/HumanAIController.cs b/Barotrauma/BarotraumaShared/Source/Characters/AI/HumanAIController.cs
index b91b277b9..c68f451cb 100644
--- a/Barotrauma/BarotraumaShared/Source/Characters/AI/HumanAIController.cs
+++ b/Barotrauma/BarotraumaShared/Source/Characters/AI/HumanAIController.cs
@@ -553,6 +553,8 @@ namespace Barotrauma
 
         public static bool HasItem(Character character, string tag, string containedTag, float conditionPercentage = 0)
         {
+            if (character == null) { return false; }
+            if (character.Inventory == null) { return false; }
             var item = character.Inventory.FindItemByTag(tag);
             return item != null &&
                 item.ConditionPercentage > conditionPercentage &&
diff --git a/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs b/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs
index 9d23de7d3..c8cb23e10 100644
--- a/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs
+++ b/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs
@@ -16,6 +16,9 @@ namespace Barotrauma
 
         public Func<bool> customCondition;
 
+        public bool followControlledCharacter;
+        public bool mimic;
+
         /// <summary>
         /// Display units
         /// </summary>
@@ -24,9 +27,11 @@ namespace Barotrauma
         public bool AllowGoingOutside { get; set; }
         public bool CheckVisibility { get; set; }
 
+        public ISpatialEntity Target { get; private set; }
+
         public override float GetPriority()
         {
-            if (FollowControlledCharacter && Character.Controlled == null) { return 0.0f; }
+            if (followControlledCharacter && Character.Controlled == null) { return 0.0f; }
             if (Target is Entity e && e.Removed) { return 0.0f; }
             if (IgnoreIfTargetDead && Target is Character character && character.IsDead) { return 0.0f; }                     
             if (objectiveManager.CurrentOrder == this)
@@ -36,10 +41,6 @@ namespace Barotrauma
             return 1.0f;
         }
 
-        public ISpatialEntity Target { get; private set; }
-
-        public bool FollowControlledCharacter;
-
         public AIObjectiveGoTo(ISpatialEntity target, Character character, AIObjectiveManager objectiveManager, bool repeat = false, bool getDivingGearIfNeeded = true, float priorityModifier = 1) 
             : base (character, objectiveManager, priorityModifier)
         {
@@ -52,7 +53,7 @@ namespace Barotrauma
 
         protected override void Act(float deltaTime)
         {
-            if (FollowControlledCharacter)
+            if (followControlledCharacter)
             {
                 if (Character.Controlled == null)
                 {
@@ -137,8 +138,9 @@ namespace Barotrauma
                 }
                 if (getDivingGearIfNeeded)
                 {
-                    bool needsDivingGear = HumanAIController.NeedsDivingGear(targetHull);
-                    bool needsDivingSuit = needsDivingGear && (targetHull == null || targetIsOutside || targetHull.WaterPercentage > 90);
+                    Character followTarget = Target as Character;
+                    bool needsDivingGear = HumanAIController.NeedsDivingGear(targetHull) || mimic && HumanAIController.HasDivingMask(followTarget);
+                    bool needsDivingSuit = needsDivingGear && (targetHull == null || targetIsOutside || targetHull.WaterPercentage > 90) || mimic && HumanAIController.HasDivingSuit(followTarget);
                     bool needsEquipment = false;
                     if (needsDivingSuit)
                     {
diff --git a/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveManager.cs b/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveManager.cs
index 8aae67958..8451af1fc 100644
--- a/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveManager.cs
+++ b/Barotrauma/BarotraumaShared/Source/Characters/AI/Objectives/AIObjectiveManager.cs
@@ -239,7 +239,8 @@ namespace Barotrauma
                         CloseEnough = 150,
                         AllowGoingOutside = true,
                         IgnoreIfTargetDead = true,
-                        FollowControlledCharacter = orderGiver == character
+                        followControlledCharacter = orderGiver == character,
+                        mimic = true
                     };
                     break;
                 case "wait":
diff --git a/Barotrauma/BarotraumaShared/Submarines/Bunyip.sub b/Barotrauma/BarotraumaShared/Submarines/Bunyip.sub
index 3d6deb368..0981c2849 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Bunyip.sub and b/Barotrauma/BarotraumaShared/Submarines/Bunyip.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Dugong.sub b/Barotrauma/BarotraumaShared/Submarines/Dugong.sub
index ce81dd5a0..4286ee8ec 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Dugong.sub and b/Barotrauma/BarotraumaShared/Submarines/Dugong.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Humpback.sub b/Barotrauma/BarotraumaShared/Submarines/Humpback.sub
index c986d80a9..f221d0f6b 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Humpback.sub and b/Barotrauma/BarotraumaShared/Submarines/Humpback.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Orca.sub b/Barotrauma/BarotraumaShared/Submarines/Orca.sub
index 39ebfe8e7..d0c3b54c7 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Orca.sub and b/Barotrauma/BarotraumaShared/Submarines/Orca.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Remora.sub b/Barotrauma/BarotraumaShared/Submarines/Remora.sub
index 20671aa41..6e3afa65c 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Remora.sub and b/Barotrauma/BarotraumaShared/Submarines/Remora.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/RemoraDrone.sub b/Barotrauma/BarotraumaShared/Submarines/RemoraDrone.sub
index a69e7251c..ec48ad330 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/RemoraDrone.sub and b/Barotrauma/BarotraumaShared/Submarines/RemoraDrone.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Selkie.sub b/Barotrauma/BarotraumaShared/Submarines/Selkie.sub
index 1c30b9a86..e5a2fc4f9 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Selkie.sub and b/Barotrauma/BarotraumaShared/Submarines/Selkie.sub differ
diff --git a/Barotrauma/BarotraumaShared/Submarines/Typhon.sub b/Barotrauma/BarotraumaShared/Submarines/Typhon.sub
index 8605eff50..10d56258f 100644
Binary files a/Barotrauma/BarotraumaShared/Submarines/Typhon.sub and b/Barotrauma/BarotraumaShared/Submarines/Typhon.sub differ