diff --git a/code/game/machinery/doors/airlock.dm b/code/game/machinery/doors/airlock.dm
index ac4a516ea88..5e6b66be525 100644
--- a/code/game/machinery/doors/airlock.dm
+++ b/code/game/machinery/doors/airlock.dm
@@ -121,13 +121,10 @@
 	opacity = 1
 	assembly_type = /obj/structure/door_assembly/door_assembly_hatch
 
-/obj/machinery/door/airlock/hatch/delta
-	name = "Delta Level Hatch"
-	icon = 'icons/obj/doors/Doorhatchele.dmi'
-	opacity = 1
+/obj/machinery/door/airlock/hatch/gamma
+	name = "Gamma Level Hatch"
 	hackProof = 1
 	aiControlDisabled = 1
-	assembly_type = /obj/structure/door_assembly/door_assembly_hatch
 
 /obj/machinery/door/airlock/maintenance_hatch
 	name = "Maintenance Hatch"
@@ -296,6 +293,11 @@
 	icon = 'icons/obj/doors/hightechsecurity.dmi'
 	assembly_type = /obj/structure/door_assembly/door_assembly_highsecurity
 
+/obj/machinery/door/airlock/highsecurity/red
+	name = "Secure Armory Airlock"
+	hackProof = 1
+	aiControlDisabled = 1
+
 /*
 About the new airlock wires panel:
 *	An airlock wire dialog can be accessed by the normal way or by using wirecutters or a multitool on the door while the wire-panel is open. This would show the following wires, which you can either wirecut/mend or send a multitool pulse through. There are 9 wires.
@@ -1072,7 +1074,7 @@ About the new airlock wires panel:
 	return
 
 
-/obj/machinery/door/airlock/hatch/delta/attackby(C as obj, mob/user as mob)
+/obj/machinery/door/airlock/hatch/gamma/attackby(C as obj, mob/user as mob)
 	//world << text("airlock attackby src [] obj [] mob []", src, C, user)
 	if(!istype(usr, /mob/living/silicon))
 		if(src.isElectrified())
@@ -1094,4 +1096,30 @@ About the new airlock wires panel:
 			src.update_icon()
 			return
 		else
-			return
\ No newline at end of file
+			return
+
+
+/obj/machinery/door/airlock/highsecurity/red/attackby(C as obj, mob/user as mob)
+	//world << text("airlock attackby src [] obj [] mob []", src, C, user)
+	if(!istype(usr, /mob/living/silicon))
+		if(src.isElectrified())
+			if(src.shock(user, 75))
+				return
+	if(istype(C, /obj/item/device/detective_scanner) || istype(C, /obj/item/taperoll))
+		return
+
+	src.add_fingerprint(user)
+	if((istype(C, /obj/item/weapon/weldingtool) && !( src.operating > 0 ) && src.density))
+		var/obj/item/weapon/weldingtool/W = C
+		if(W.remove_fuel(0,user))
+			if(frozen)
+				frozen = 0
+			if(!src.welded)
+				src.welded = 1
+			else
+				src.welded = null
+			src.update_icon()
+			return
+		else
+			return
+
diff --git a/code/modules/security levels/security levels.dm b/code/modules/security levels/security levels.dm
index 28563c3b488..fe3a9a11f45 100644
--- a/code/modules/security levels/security levels.dm	
+++ b/code/modules/security levels/security levels.dm	
@@ -14,6 +14,10 @@
 			level = SEC_LEVEL_BLUE
 		if("red")
 			level = SEC_LEVEL_RED
+		if("gamma")
+			level = SEC_LEVEL_GAMMA
+		if("epsiolon")
+			level = SEC_LEVEL_EPSILON
 		if("delta")
 			level = SEC_LEVEL_DELTA
 
@@ -48,7 +52,10 @@
 					world << "<font size=4 color='red'>Attention! Code red!</font>"
 					world << "<font color='red'>[config.alert_desc_red_downto]</font>"
 				security_level = SEC_LEVEL_RED
-
+				for(var/obj/machinery/door/airlock/highsecurity/red/R in machines)
+					if(R.z == 1)
+						R.locked = 0
+						R.update_icon()
 				/*	- At the time of commit, setting status displays didn't work properly
 				var/obj/machinery/computer/communications/CC = locate(/obj/machinery/computer/communications,world)
 				if(CC)
@@ -59,6 +66,26 @@
 						FA.overlays = list()
 						FA.overlays += image('icons/obj/monitors.dmi', "overlay_red")
 
+			if(SEC_LEVEL_GAMMA)
+				world << "<font size=4 color='red'>Attention! GAMMA security level activated!</font>"
+				world << "<font color='red'>[config.alert_desc_red_upto]</font>"
+				if(security_level < SEC_LEVEL_RED)
+					for(var/obj/machinery/door/airlock/highsecurity/red/R in machines)
+						if(R.z == 1)
+							R.locked = 0
+							R.update_icon()
+				for(var/obj/machinery/door/airlock/hatch/gamma/H in machines)
+					if(H.z == 1)
+						H.open()
+						spawn(10)
+							H.locked = 1
+							H.update_icon()
+				security_level = SEC_LEVEL_GAMMA
+			if(SEC_LEVEL_EPSILON)
+				world << "<font size=4 color='red'>Attention! EPSILON security level activated!</font>"
+				world << "<font color='red'>[config.alert_desc_red_upto]</font>"
+				security_level = SEC_LEVEL_EPSILON
+
 			if(SEC_LEVEL_DELTA)
 				world << "<font size=4 color='red'>Attention! Delta security level reached!</font>"
 				world << "<font color='red'>[config.alert_desc_delta]</font>"
@@ -78,6 +105,10 @@
 			return "blue"
 		if(SEC_LEVEL_RED)
 			return "red"
+		if(SEC_LEVEL_GAMMA)
+			return "gamma"
+		if(SEC_LEVEL_EPSILON)
+			return "epsilon"
 		if(SEC_LEVEL_DELTA)
 			return "delta"
 
@@ -89,6 +120,10 @@
 			return "blue"
 		if(SEC_LEVEL_RED)
 			return "red"
+		if(SEC_LEVEL_GAMMA)
+			return "gamma"
+		if(SEC_LEVEL_EPSILON)
+			return "epsilon"
 		if(SEC_LEVEL_DELTA)
 			return "delta"
 
@@ -100,6 +135,10 @@
 			return SEC_LEVEL_BLUE
 		if("red")
 			return SEC_LEVEL_RED
+		if("gamma")
+			return SEC_LEVEL_GAMMA
+		if("epsilon")
+			return SEC_LEVEL_EPSILON
 		if("delta")
 			return SEC_LEVEL_DELTA
 
diff --git a/code/setup.dm b/code/setup.dm
index 72dac3dbc44..76357df62b6 100644
--- a/code/setup.dm
+++ b/code/setup.dm
@@ -473,7 +473,9 @@ var/static/list/scarySounds = list('sound/weapons/thudswoosh.ogg','sound/weapons
 #define SEC_LEVEL_GREEN	0
 #define SEC_LEVEL_BLUE	1
 #define SEC_LEVEL_RED	2
-#define SEC_LEVEL_DELTA	3
+#define SEC_LEVEL_GAMMA	3
+#define SEC_LEVEL_EPSILON	4
+#define SEC_LEVEL_DELTA	5
 
 #define TRANSITIONEDGE	7 //Distance from edge to move to another z-level
 
diff --git a/maps/tgstation-redux-WIP.dmm b/maps/tgstation-redux-WIP.dmm
index 76e9cb122f2..58114bbaf44 100644
--- a/maps/tgstation-redux-WIP.dmm
+++ b/maps/tgstation-redux-WIP.dmm
@@ -160,9 +160,9 @@
 "add" = (/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden,/obj/machinery/atmospherics/pipe/simple/supply/hidden{dir = 4},/turf/simulated/floor,/area/security/prison)
 "ade" = (/obj/item/device/radio/intercom{pixel_x = 27},/obj/machinery/atmospherics/pipe/manifold{color = "blue"; dir = 4; icon_state = "manifold-b-f"; initialize_directions = 11; level = 1; name = "pipe manifold"},/obj/machinery/camera{c_tag = "Prison Wing Hallway"; dir = 8},/turf/simulated/floor{icon_state = "red"; dir = 4},/area/security/prison)
 "adf" = (/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden,/turf/simulated/wall/r_wall,/area)
-"adg" = (/obj/machinery/door/airlock/highsecurity{name = "Secure Armoury Section"; req_access_txt = "3"},/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"; tag = ""},/turf/simulated/floor{icon_state = "dark"},/area/security/armoury)
+"adg" = (/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"; tag = ""},/obj/machinery/door/airlock/highsecurity/red,/turf/simulated/floor{icon_state = "dark"},/area/security/armoury)
 "adh" = (/obj/machinery/atmospherics/pipe/simple/supply/hidden,/turf/simulated/wall/r_wall,/area)
-"adi" = (/obj/machinery/door/airlock/hatch/delta{name = "Gamma Armory"},/turf/simulated/floor{icon_state = "dark"},/area)
+"adi" = (/obj/machinery/door/airlock/hatch/gamma{use_power = 0},/turf/simulated/floor{icon_state = "dark"},/area)
 "adj" = (/obj/machinery/atmospherics/pipe/simple/supply/hidden,/turf/unsimulated/wall,/area)
 "adk" = (/obj/structure/sign/securearea,/turf/simulated/wall/r_wall,/area)
 "adl" = (/obj/machinery/door/airlock/vault{icon_state = "door_locked"; locked = 1; req_access_txt = "53"},/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"; tag = ""},/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden,/turf/simulated/floor{tag = "icon-vault (NORTHEAST)"; icon_state = "vault"; dir = 5},/area/security/nuke_storage)