Only one successful Gang Tool recall per gang

code/game/gamemodes/gang/gang_datum.dm

@@ -13,6 +13,7 @@
 	var/list/territory = list()
 	var/list/territory_new = list()
 	var/list/territory_lost = list()
+	var/recalls = 1
 	var/dom_attempts = 2
 	var/points = 15
 	var/datum/atom_hud/antag/gang/ganghud
@@ -262,4 +263,4 @@
 	ganghud = new()
 
 /datum/gang/multiverse/income()
-	return
+	return

code/game/gamemodes/gang/recaller.dm

@@ -168,6 +168,9 @@
 	if(recalling)
 		to_chat(usr, "<span class='warning'>Error: Recall already in progress.</span>")
 		return 0
+	
+	if(!gang.recalls)
+		to_chat(usr, "<span class='warning'>Error: Unable to access communication arrays. Firewall has logged our signature and is blocking all further attempts.</span>")
 
 	gang.message_gangtools("[usr] is attempting to recall the emergency shuttle.")
 	recalling = 1
@@ -209,6 +212,7 @@
 	userturf = get_turf(user)
 	if(userturf.z == 1) //Check one more time that they are on station.
 		if(SSshuttle.cancelEvac(user))
+			gang.recalls -= 1 
 			return 1
 
 	to_chat(loc, "<span class='info'>\icon[src]No response recieved. Emergency shuttle cannot be recalled at this time.</span>")