diff --git a/aurora.dme b/aurora.dme
index 26eeb25f..990ac4ed 100644
--- a/aurora.dme
+++ b/aurora.dme
@@ -565,6 +565,7 @@
 #include "code\game\objects\items\trash.dm"
 #include "code\game\objects\items\devices\aicard.dm"
 #include "code\game\objects\items\devices\binoculars.dm"
+#include "code\game\objects\items\devices\door_bracer.dm"
 #include "code\game\objects\items\devices\chameleonproj.dm"
 #include "code\game\objects\items\devices\debugger.dm"
 #include "code\game\objects\items\devices\flash.dm"
diff --git a/code/game/machinery/doors/airlock.dm b/code/game/machinery/doors/airlock.dm
index 8b49259e..7e15c4f9 100644
--- a/code/game/machinery/doors/airlock.dm
+++ b/code/game/machinery/doors/airlock.dm
@@ -51,6 +51,7 @@
 	var/door_sound='sound/machines/airlock.ogg'
 	var/door_sound_distance=30
 	autoclose = 1
+	var/obj/item/device/doorbrace/bracer = null
 
 /obj/machinery/door/airlock/command
 	name = "Airlock"
@@ -717,6 +718,15 @@ About the new airlock wires panel:
 		set_frequency(ST.change_freq(frequency))
 		return
 
+	if (istype(C, /obj/item/device/doorbrace))
+		if (bracer)
+			user << "<span class='notice'>There is already a [bracer] on [src]!</span>"
+			return
+
+		var/obj/item/device/doorbrace/newbracer = C
+		newbracer.attachto(src, user)
+		return
+
 	src.add_fingerprint(user)
 	if((istype(C, /obj/item/weapon/weldingtool) && !( src.operating > 0 ) && src.density))
 		var/obj/item/weapon/weldingtool/W = C
@@ -824,7 +834,7 @@ About the new airlock wires panel:
 	playsound(src.loc, door_sound, door_sound_distance, 1)
 
 /obj/machinery/door/airlock/open(var/forced=0)
-	if( operating || welded || locked )
+	if( operating || welded || locked || bracer)
 		return 0
 	if(!forced)
 		if( !arePowerSystemsOn() || isWireCut(AIRLOCK_WIRE_OPEN_DOOR) )
@@ -915,7 +925,9 @@ About the new airlock wires panel:
 					break
 
 /obj/machinery/door/airlock/proc/prison_open()
+	if (bracer)
+		return
 	src.unlock()
 	src.open()
 	src.lock()
-	return
\ No newline at end of file
+	return
diff --git a/code/game/objects/items/devices/door_bracer.dm b/code/game/objects/items/devices/door_bracer.dm
new file mode 100644
index 00000000..e49da9ac
--- /dev/null
+++ b/code/game/objects/items/devices/door_bracer.dm
@@ -0,0 +1,237 @@
+#define STATUS_INACTIVE 0
+#define STATUS_ACTIVE 1
+#define STATUS_BROKEN 2
+
+#define LAYER_ATTACHED 3.2
+#define LAYER_NORMAL 3
+
+/obj/item/device/doorbrace
+	name = "magnetic door lock"
+	desc = "A large, ID locked device used for completely locking down airlocks."
+	icon = 'icons/obj/door_braces/centcom.dmi'
+	icon_state = "inactive"
+	w_class = 3
+	req_access = list(103)
+
+	var/department = "CENTCOM"
+	var/status = 0
+	var/constructionstate = 0
+	var/obj/machinery/door/airlock/target = null
+
+/obj/item/device/doorbrace/security
+	icon = 'icons/obj/door_braces/security.dmi'
+	department = "Security"
+	req_access = list(1)
+
+/obj/item/device/doorbrace/engineering
+	icon = 'icons/obj/door_braces/engineering.dmi'
+	department = "Engineering"
+	req_access = null
+	req_one_access = list(11, 24)
+
+/obj/item/device/doorbrace/examine(mob/user)
+	..(user)
+
+	user << "\blue This device has [department] department markings on it."
+
+/obj/item/device/doorbrace/attack_hand(var/mob/user)
+	if (status == STATUS_ACTIVE)
+		ui_interact(user)
+	else
+		..()
+
+/obj/item/device/doorbrace/attackby(var/obj/item/I, var/mob/user)
+	if (status == STATUS_BROKEN)
+		user << "<span class='danger'>[src] is broken beyond repair!</span>"
+		return
+
+	switch (constructionstate)
+		if (0)
+			if (istype(I, /obj/item/weapon/card/emag))
+				var/obj/item/weapon/card/emag/emagcard = I
+				emagcard.uses--
+				visible_message("<span class='danger'>[src] sparks and falls off the door!</span>", "<span class='danger'>You emag [src], frying its circuitry[status == STATUS_ACTIVE ? " and making it drop onto the floor" : ""]!</span>")
+
+				setstatus(STATUS_BROKEN)
+				return
+
+			if (status == STATUS_ACTIVE && istype(I, /obj/item/weapon/card/id))
+				if (check_access(I) && !constructionstate)
+					user << "<span class='notice'>You swipe your [I] through [src], making it drop onto the floor with a thud.</span>"
+					setstatus(STATUS_INACTIVE)
+					return
+				else if (constructionstate)
+					user << "<span class='danger'>You cannot swipe your [I] through [src] with it partially dismantled!</span>"
+					return
+				else
+					user << "<span class='danger'>A red light flashes on [src] as you swipe your [I] through it.</span>"
+					flick("deny",src)
+					return
+
+			if (istype(I, /obj/item/weapon/screwdriver))
+				user << "<span class='notice'>You unfasten and remove the plastic cover from [src], revealing a thick metal shell.</span>"
+				playsound(loc, 'sound/items/Screwdriver.ogg', 50, 1)
+				setconstructionstate(1)
+				return
+
+		if (1)
+			if (istype(I, /obj/item/weapon/screwdriver))
+				user << "<span class='notice'>You put the metal cover of back onto [src], and screw it tight.</span>"
+				playsound(loc, 'sound/items/Screwdriver.ogg', 50, 1)
+				setconstructionstate(0)
+				return
+			if (istype(I, /obj/item/weapon/weldingtool))
+				var/obj/item/weapon/weldingtool/WT = I
+				if (WT.remove_fuel(1, user))
+					user.visible_message("<span class='notice'>[user] starts welding through the metal shell of [src].</span>", "<span class='notice'>You start welding through the metal covering of [src]</span>")
+					playsound(loc, 'sound/items/Welder.ogg', 50, 1)
+					if (do_after(user, 25))
+						user << "<span class='notice'>You are able to weld through the metal shell of [src].</span>"
+						setconstructionstate(2)
+						return
+		if (2)
+			if (istype(I, /obj/item/weapon/crowbar))
+				user << "<span class='notice'>You pry off the metal covering from [src].</span>"
+				playsound(loc, 'sound/items/Crowbar.ogg', 50, 1)
+				setconstructionstate(3)
+				return
+		if (3)
+			if (istype(I, /obj/item/weapon/wirecutters))
+				user << "<span class='notice'>You cut the wires connecting the [src]'s magnets to their powersupply, [status ? "rendering the device unusable." : "making the device fall off  and rendering it unusable."]</span>"
+				playsound(loc, 'sound/items/Wirecutter.ogg', 50, 1)
+				setconstructionstate(4)
+				return
+
+/obj/item/device/doorbrace/proc/attachto(var/obj/machinery/door/airlock/newtarget, var/mob/user as mob)
+	if (status == STATUS_BROKEN)
+		user << "<span class='danger'>[src] is damaged beyond repair! It cannot be used!</span>"
+		return
+
+	if (!newtarget.density || newtarget.operating)
+		user << "<span class='danger'>[newtarget] must be closed before you can attach [src] to it!</span>"
+		return
+
+	if (newtarget.p_open)
+		user << "<span class='danger'>You must close [newtarget]'s maintenance panel before attaching [src] to it!</span>"
+		return
+
+	user.visible_message("<span class='notice'>[user] starts mounting [src] onto [newtarget].</span>", "<span class='notice'>You begin mounting [src] onto [newtarget].</span>")
+	if (do_after(user, 35, 1))
+		if (status == STATUS_BROKEN)
+			user << "<span class='danger'>[src] is damaged beyond repair! It cannot be used!</span>"
+			return
+
+		if (!newtarget.density)
+			user << "<span class='danger'>[newtarget] must be closed before you can attach [src] to it!</span>"
+			return
+
+		if (newtarget.p_open)
+			user << "<span class='danger'>You must close [newtarget]'s maintenance panel before attaching [src] to it!</span>"
+			return
+
+		user.visible_message("<span class='notice'>[user] attached [src] onto [newtarget] and flicks it on. The magnetic lock now seals [newtarget].</span>", "<span class='notice'>You attached [src] onto [newtarget] and switched on the magnetic lock.</span>")
+		user.drop_item()
+
+		setstatus(STATUS_ACTIVE, newtarget)
+		return
+
+/obj/item/device/doorbrace/proc/setstatus(var/newstatus, var/obj/machinery/door/airlock/newtarget as obj)
+	switch (newstatus)
+		if (STATUS_INACTIVE)
+			if (status != STATUS_ACTIVE)
+				return
+			if (!target)
+				return
+
+			detach()
+			icon_state = "inactive"
+			status = newstatus
+
+		if (STATUS_ACTIVE)
+			if (status != STATUS_INACTIVE)
+				return
+			if (!newtarget)
+				return
+
+			attach(newtarget)
+			icon_state = "active"
+			status = newstatus
+
+		if (STATUS_BROKEN)
+			var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
+			s.set_up(5, 1, src)
+			s.start()
+			spawn(5)
+				del(s)
+
+			if (target)
+				detach()
+
+			icon_state = "broken"
+			status = newstatus
+
+/obj/item/device/doorbrace/proc/setconstructionstate(var/newstate)
+	constructionstate = newstate
+	if (newstate == 0)
+		if (status == STATUS_ACTIVE)
+			icon_state = "active"
+		else
+			icon_state = "inactive"
+	else
+		icon_state = "construction-[constructionstate]"
+
+/obj/item/device/doorbrace/proc/detach()
+	if (target)
+		adjustsprite(null)
+		layer = LAYER_NORMAL
+
+		target.bracer = null
+
+		anchored = 0
+
+/obj/item/device/doorbrace/proc/attach(var/obj/machinery/door/airlock/newtarget as obj)
+	adjustsprite(newtarget)
+	layer = LAYER_ATTACHED
+
+	newtarget.bracer = src
+	target = newtarget
+
+	anchored = 1
+
+/obj/item/device/doorbrace/proc/adjustsprite(var/obj/target as obj)
+	if (target)
+		switch (get_dir(src, target))
+			if (NORTH)
+				pixel_x = 0
+				pixel_y = 32
+			if (NORTHEAST)
+				pixel_x = 32
+				pixel_y = 32
+			if (EAST)
+				pixel_x = 32
+				pixel_y = 0
+			if (SOUTHEAST)
+				pixel_x = 32
+				pixel_y = -32
+			if (SOUTH)
+				pixel_x = 0
+				pixel_y = -32
+			if (SOUTHWEST)
+				pixel_x = -32
+				pixel_y = -32
+			if (WEST)
+				pixel_x = -32
+				pixel_y = 0
+			if (NORTHWEST)
+				pixel_x = -32
+				pixel_y = 32
+	else
+		pixel_x = 0
+		pixel_y = 0
+
+#undef STATUS_INACTIVE
+#undef STATUS_ACTIVE
+#undef STATUS_BROKEN
+
+#undef LAYER_ATTACHED
+#undef LAYER_NORMAL