diff --git a/Resources/Maps/corvax_avrit.yml b/Resources/Maps/corvax_avrit.yml
index 27886ccfd2..b7e10d0d46 100644
--- a/Resources/Maps/corvax_avrit.yml
+++ b/Resources/Maps/corvax_avrit.yml
@@ -179142,7 +179142,7 @@ entities:
     - type: Transform
       pos: -22.684105,-69.65106
       parent: 2
-- proto: EncryptionKeyScience
+- proto: ERTSpawnerEngineering
   entities:
   - uid: 54232
     components:
@@ -179152,7 +179152,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 54462
-- proto: Ash
+- proto: ERTSpawnerLeader
   entities:
   - uid: 54233
     components:
@@ -179162,7 +179162,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 54462
-- proto: Ash
+- proto: ERTSpawnerMedical
   entities:
   - uid: 54234
     components:
@@ -179172,7 +179172,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 54462
-- proto: Ash
+- proto: ERTSpawnerSrcurity
   entities:
   - uid: 54235
     components:
diff --git a/Resources/Maps/corvax_centcomm.yml b/Resources/Maps/corvax_centcomm.yml
index e25ffcc1f2..3704a48767 100644
--- a/Resources/Maps/corvax_centcomm.yml
+++ b/Resources/Maps/corvax_centcomm.yml
@@ -23508,7 +23508,7 @@ entities:
     - type: Transform
       pos: -18.524479,11.549602
       parent: 2
-- proto: Ash
+- proto: ERTSpawnerCBURN
   entities:
   - uid: 8359
     components:
@@ -23550,7 +23550,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 8160
-- proto: Ash
+- proto: ERTSpawnerEngineering
   entities:
   - uid: 8353
     components:
@@ -23584,7 +23584,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 8161
-- proto: Ash
+- proto: ERTSpawnerJanitor
   entities:
   - uid: 8358
     components:
@@ -23594,7 +23594,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 8207
-- proto: Ash
+- proto: ERTSpawnerLeader
   entities:
   - uid: 8366
     components:
@@ -23604,7 +23604,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 8161
-- proto: Ash
+- proto: ERTSpawnerMedical
   entities:
   - uid: 8364
     components:
@@ -23614,7 +23614,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 8161
-- proto: Ash
+- proto: ERTSpawnerSrcurity
   entities:
   - uid: 8356
     components:
diff --git a/Resources/Maps/corvax_frame.yml b/Resources/Maps/corvax_frame.yml
index 816ae8df37..1f133c2a77 100644
--- a/Resources/Maps/corvax_frame.yml
+++ b/Resources/Maps/corvax_frame.yml
@@ -7312,7 +7312,7 @@ entities:
     - type: Physics
       canCollide: False
     - type: InsideEntityStorage
-- proto: Ash
+- proto: ERTSpawnerJanitor
   entities:
   - uid: 625
     components:
diff --git a/Resources/Maps/corvax_maus.yml b/Resources/Maps/corvax_maus.yml
index be6df39c29..9151232e51 100644
--- a/Resources/Maps/corvax_maus.yml
+++ b/Resources/Maps/corvax_maus.yml
@@ -60940,28 +60940,28 @@ entities:
       parent: 6863
     - type: Physics
       canCollide: False
-- proto: Ash
+- proto: ERTSpawnerEngineering
   entities:
   - uid: 16423
     components:
     - type: Transform
       pos: 4.5,-4.5
       parent: 16090
-- proto: Ash
+- proto: ERTSpawnerLeader
   entities:
   - uid: 16424
     components:
     - type: Transform
       pos: -5.5,-6.5
       parent: 16090
-- proto: Ash
+- proto: ERTSpawnerMedical
   entities:
   - uid: 16425
     components:
     - type: Transform
       pos: 4.5,-6.5
       parent: 16090
-- proto: Ash
+- proto: ERTSpawnerSrcurity
   entities:
   - uid: 16426
     components:
diff --git a/Resources/Maps/corvax_outpost.yml b/Resources/Maps/corvax_outpost.yml
index c9aa95c37b..d5dfbb98bd 100644
--- a/Resources/Maps/corvax_outpost.yml
+++ b/Resources/Maps/corvax_outpost.yml
@@ -51592,7 +51592,7 @@ entities:
     - type: Transform
       pos: 6.3170567,-30.435608
       parent: 2
-- proto: Ash
+- proto: ERTSpawnerEngineering
   entities:
   - uid: 17682
     components:
@@ -51602,7 +51602,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 17649
-- proto: Ash
+- proto: ERTSpawnerJanitor
   entities:
   - uid: 17681
     components:
@@ -51612,7 +51612,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 17649
-- proto: Ash
+- proto: ERTSpawnerLeader
   entities:
   - uid: 17683
     components:
@@ -51622,7 +51622,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 17649
-- proto: Ash
+- proto: ERTSpawnerMedical
   entities:
   - uid: 17679
     components:
@@ -51632,7 +51632,7 @@ entities:
     - type: DeviceLinkSink
       links:
       - 17649
-- proto: Ash
+- proto: ERTSpawnerSrcurity
   entities:
   - uid: 17678
     components:
diff --git a/Resources/Maps/corvax_split.yml b/Resources/Maps/corvax_split.yml
index 89c0610da5..e475b318ea 100644
--- a/Resources/Maps/corvax_split.yml
+++ b/Resources/Maps/corvax_split.yml
@@ -134229,28 +134229,28 @@ entities:
     - type: Transform
       pos: -20.714483,-8.414043
       parent: 21326
-- proto: Ash
+- proto: ERTSpawnerEngineering
   entities:
   - uid: 45683
     components:
     - type: Transform
       pos: 4.5,-4.5
-      parent: 4536
-- proto: Ash
+      parent: 45360
+- proto: ERTSpawnerLeader
   entities:
   - uid: 45684
     components:
     - type: Transform
       pos: -5.5,-6.5
       parent: 45360
-- proto: Ash
+- proto: ERTSpawnerMedical
   entities:
   - uid: 45685
     components:
     - type: Transform
       pos: 4.5,-6.5
       parent: 45360
-- proto: Ash
+- proto: ERTSpawnerSrcurity
   entities:
   - uid: 45686
     components:
diff --git a/Resources/migration.yml b/Resources/migration.yml
index eb32154725..8985cf512c 100644
--- a/Resources/migration.yml
+++ b/Resources/migration.yml
@@ -8,6 +8,12 @@
 # WallSolid: Window
 # Table: null
 
+# ADT ERT 2024-07-20
+ERTSpawnerEngineering: null
+ERTSpawnerLeader: null
+ERTSpawnerMedical: null
+ERTSpawnerSrcurity: null
+ERTSpawnerJanitor: null
 # 2023-07-03
 ClothingHeadHelmetHelmet: ClothingHeadHelmetBasic
 ClothingHeadHelmetHelmetOld: ClothingHeadHelmetBasic