diff --git a/Moose Development/Moose/Ops/AirWing.lua b/Moose Development/Moose/Ops/AirWing.lua
index 52214c1f2..b6dc7ffc3 100644
--- a/Moose Development/Moose/Ops/AirWing.lua	
+++ b/Moose Development/Moose/Ops/AirWing.lua	
@@ -1748,7 +1748,11 @@ function AIRWING:_CreateFlightGroup(asset)
   local flightgroup=FLIGHTGROUP:New(asset.spawngroupname)
 
   -- Set airwing.
-  flightgroup:SetAirwing(self)  
+  flightgroup:SetAirwing(self)
+  
+  flightgroup.squadron=self:GetSquadronOfAsset(asset)
+  
+  --[[
   
   --- Check if out of missiles. For A2A missions ==> RTB.
   function flightgroup:OnAfterOutOfMissiles()  
@@ -1774,6 +1778,8 @@ function AIRWING:_CreateFlightGroup(asset)
         
   end
   
+  ]]
+  
   return flightgroup
 end
 
diff --git a/Moose Development/Moose/Ops/FlightGroup.lua b/Moose Development/Moose/Ops/FlightGroup.lua
index b3ecb9298..1ae0ec45e 100644
--- a/Moose Development/Moose/Ops/FlightGroup.lua	
+++ b/Moose Development/Moose/Ops/FlightGroup.lua	
@@ -34,6 +34,7 @@
 -- @field #boolean fuelcritical Fuel critical switch.
 -- @field #number fuelcriticalthresh Critical fuel threshold in percent.
 -- @field #boolean fuelcriticalrtb RTB on critical fuel switch.
+-- @field Ops.Squadron#SQUADRON squadron The squadron of this flight group.
 -- @field Ops.AirWing#AIRWING airwing The airwing the flight group belongs to.
 -- @field Ops.FlightControl#FLIGHTCONTROL flightcontrol The flightcontrol handling this group.
 -- @field Ops.Airboss#AIRBOSS airboss The airboss handling this group.
@@ -2468,9 +2469,11 @@ function FLIGHTGROUP:_InitGroup()
     self:E(self.lid.."WARNING: Group was already initialized!")
     return
   end
+  
+  local group=self.group --Wrapper.Group#GROUP
 
   -- Get template of group.
-  self.template=self.group:GetTemplate()
+  self.template=group:GetTemplate()
 
   -- Define category.
   self.isAircraft=true
@@ -2478,7 +2481,7 @@ function FLIGHTGROUP:_InitGroup()
   self.isGround=false
 
   -- Helo group.
-  self.ishelo=self.group:IsHelicopter()
+  self.ishelo=group:IsHelicopter()
 
   -- Is (template) group uncontrolled.
   self.isUncontrolled=self.template.uncontrolled
@@ -2487,7 +2490,7 @@ function FLIGHTGROUP:_InitGroup()
   self.isLateActivated=self.template.lateActivation
 
   -- Max speed in km/h.
-  self.speedmax=self.group:GetSpeedMax()
+  self.speedmax=group:GetSpeedMax()
 
   -- Cruise speed limit 350 kts for fixed and 80 knots for rotary wings.
   local speedCruiseLimit=self.ishelo and UTILS.KnotsToKmph(80) or UTILS.KnotsToKmph(350)
@@ -2525,7 +2528,7 @@ function FLIGHTGROUP:_InitGroup()
   end
 
   -- Is this purely AI?
-  self.ai=not self:_IsHuman(self.group)
+  self.ai=not self:_IsHuman(group)
 
   -- Create Menu.
   if not self.ai then
@@ -2607,10 +2610,11 @@ function FLIGHTGROUP:AddElementByName(unitname)
     -- TODO: this is wrong when grouping is used!
     local unittemplate=element.unit:GetTemplate()
 
-    element.modex=element.unit:GetTemplate().onboard_num
-    element.skill=element.unit:GetTemplate().skill
-    element.pylons=element.unit:GetTemplatePylons()
-    element.fuelmass0=element.unit:GetTemplatePayload().fuel
+    element.modex=unittemplate.onboard_num
+    element.skill=unittemplate.skill
+    element.payload=unittemplate.payload
+    element.pylons=unittemplate.payload and unittemplate.payload.pylons or nil --element.unit:GetTemplatePylons()
+    element.fuelmass0=unittemplate.payload and unittemplate.payload.fuel or 0 --element.unit:GetTemplatePayload().fuel
     element.fuelmass=element.fuelmass0
     element.fuelrel=element.unit:GetFuel()
     element.category=element.unit:GetUnitCategory()
diff --git a/Moose Development/Moose/Ops/OpsGroup.lua b/Moose Development/Moose/Ops/OpsGroup.lua
index 6b64b3d73..229daab70 100644
--- a/Moose Development/Moose/Ops/OpsGroup.lua	
+++ b/Moose Development/Moose/Ops/OpsGroup.lua	
@@ -2052,6 +2052,34 @@ function OPSGROUP:onafterMissionDone(From, Event, To, Mission)
     Mission.patroldata.noccupied=Mission.patroldata.noccupied-1
     AIRWING.UpdatePatrolPointMarker(Mission.patroldata)
   end
+  
+  env.info("FF 000")
+  
+  -- TACAN
+  if Mission.tacan then
+  
+    env.info("FF 100")
+  
+    if self.tacanDefault then
+      env.info("FF 200")
+      self:_SwitchTACAN(self.tacanDefault)
+    else
+      env.info("FF 300")
+      self:TurnOffTACAN()
+    end
+    
+    local squadron=self.squadron --Ops.Squadron#SQUADRON
+    if squadron then
+      env.info("FF 400")
+      squadron:ReturnTacan(Mission.tacan.Channel)
+    end
+    
+    local asset=Mission:GetAssetByName(self.groupname)
+    if asset then
+      env.info("FF 500")
+      asset.tacan=nil
+    end  
+  end
 
   -- TODO: reset mission specific parameters like radio, ROE etc.  
   
@@ -3183,6 +3211,11 @@ function OPSGROUP:SwitchTACAN(Channel, Morse, UnitName, Band)
       -- Tacan frequency.
       local Frequency=UTILS.TACANToFrequency(Channel, Band)
 
+      -- Backup TACAN.
+      if self.tacan.Channel then
+        self.tacanDefault=UTILS.DeepCopy(self.tacan)
+      end
+
       -- Update info.
       self.tacan.Channel=Channel
       self.tacan.Morse=Morse
diff --git a/Moose Development/Moose/Ops/Squadron.lua b/Moose Development/Moose/Ops/Squadron.lua
index 2b7bdbc4f..5f446d3e5 100644
--- a/Moose Development/Moose/Ops/Squadron.lua	
+++ b/Moose Development/Moose/Ops/Squadron.lua	
@@ -529,6 +529,7 @@ function SQUADRON:FetchTacan()
 
   for channel,free in pairs(self.tacanChannel) do
     if free then
+      self:I(self.lid..string.format("Checking out Tacan channel %d", channel))
       self.tacanChannel[channel]=false
       return channel
     end
@@ -541,6 +542,7 @@ end
 -- @param #SQUADRON self
 -- @param #number channel The channel that is available again.
 function SQUADRON:ReturnTacan(channel)
+  self:I(self.lid..string.format("Returning Tacan channel %d", channel))
   self.tacanChannel[channel]=true
 end
 
diff --git a/Moose Development/Moose/Utilities/Profiler.lua b/Moose Development/Moose/Utilities/Profiler.lua
index c1667bc3b..76fee9dcc 100644
--- a/Moose Development/Moose/Utilities/Profiler.lua	
+++ b/Moose Development/Moose/Utilities/Profiler.lua	
@@ -111,16 +111,20 @@ PROFILER = {
 -- @param #number Duration Duration in (game) seconds before the profiler is stopped. Default is when mission ends.
 function PROFILER.Start(Delay, Duration)
 
-  -- Check if os and lfs are available.
+  -- Check if os, io and lfs are available.
   local go=true
   if not os then
-    error("Profiler needs os to be desanitized")
+    env.error("ERROR: Profiler needs os to be desanitized!")
     go=false
   end
+  if not io then
+    env.error("ERROR: Profiler needs io to be desanitized!")
+    go=false
+  end  
   if not lfs then
-    error("Profiler needs lfs to be desanitized")
+    env.error("ERROR: Profiler needs lfs to be desanitized!")
     go=false
-  end
+  end  
   if not go then
     return
   end
@@ -136,16 +140,6 @@ function PROFILER.Start(Delay, Duration)
     -- Add event handler.
     world.addEventHandler(PROFILER.eventHandler)
     
-    --[[
-    -- Message to screen.
-    local function showProfilerRunning()
-      timer.scheduleFunction(showProfilerRunning, nil, timer.getTime()+600)
-      trigger.action.outText("### Profiler running ###", 600)
-    end    
-    -- Message.
-    showProfilerRunning()
-    ]]
-    
     -- Info in log.
     env.info('############################   Profiler Started   ############################')
     if Duration then
@@ -292,7 +286,7 @@ function PROFILER.showTable(data, f, runTimeGame)
     if cps>=PROFILER.lowCpsThres then
     
       -- Output
-      local text=string.format("%30s: %8d calls %8.1f/sec - Time Total %8.3f sec (%.3f %%) - Per call %5.3f sec  %s line %s", t.func, t.count, cps, t.tm, t.tm/runTimeGame*100, t.tm/t.count, tostring(t.src), tostring(t.line))
+      local text=string.format("%30s: %8d calls %8.1f/sec - Time Total %8.3f sec (%.3f %%) %5.3f sec/call  %s line %s", t.func, t.count, cps, t.tm, t.tm/runTimeGame*100, t.tm/t.count, tostring(t.src), tostring(t.line))
       PROFILER._flog(f, text)
       
     end
diff --git a/Moose Development/Moose/Wrapper/Airbase.lua b/Moose Development/Moose/Wrapper/Airbase.lua
index 9c5675c53..234a92533 100644
--- a/Moose Development/Moose/Wrapper/Airbase.lua	
+++ b/Moose Development/Moose/Wrapper/Airbase.lua	
@@ -315,6 +315,80 @@ AIRBASE.TheChannel = {
   ["High_Halden"] = "High Halden",
 }
 
+--- Airbases of Syria
+--
+-- * AIRBASE.Syria.Kuweires
+-- * AIRBASE.Syria.Marj_Ruhayyil
+-- * AIRBASE.Syria.Kiryat_Shmona
+-- * AIRBASE.Syria.Marj_as_Sultan_North
+-- * AIRBASE.Syria.Eyn_Shemer
+-- * AIRBASE.Syria.Incirlik
+-- * AIRBASE.Syria.Damascus
+-- * AIRBASE.Syria.Bassel_Al_Assad
+-- * AIRBASE.Syria.Aleppo
+-- * AIRBASE.Syria.Qabr_as_Sitt
+-- * AIRBASE.Syria.Wujah_Al_Hajar
+-- * AIRBASE.Syria.Al_Dumayr
+-- * AIRBASE.Syria.Hatay
+-- * AIRBASE.Syria.Haifa
+-- * AIRBASE.Syria.Khalkhalah
+-- * AIRBASE.Syria.Megiddo
+-- * AIRBASE.Syria.Rayak
+-- * AIRBASE.Syria.Mezzeh
+-- * AIRBASE.Syria.King_Hussein_Air_College
+-- * AIRBASE.Syria.Jirah
+-- * AIRBASE.Syria.Taftanaz
+-- * AIRBASE.Syria.Rene_Mouawad
+-- * AIRBASE.Syria.Ramat_David
+-- * AIRBASE.Syria.Minakh
+-- * AIRBASE.Syria.Adana_Sakirpasa
+-- * AIRBASE.Syria.Marj_as_Sultan_South
+-- * AIRBASE.Syria.Hama
+-- * AIRBASE.Syria.Al_Qusayr
+-- * AIRBASE.Syria.Palmyra
+-- * AIRBASE.Syria.Tabqa
+-- * AIRBASE.Syria.Beirut_Rafic_Hariri
+-- * AIRBASE.Syria.An_Nasiriyah
+-- * AIRBASE.Syria.Abu_al_Duhur
+--
+-- @field Syria
+AIRBASE.Syria={
+  ["Kuweires"]="Kuweires",
+  ["Marj_Ruhayyil"]="Marj Ruhayyil",
+  ["Kiryat_Shmona"]="Kiryat Shmona",
+  ["Marj_as_Sultan_North"]="Marj as Sultan North",
+  ["Eyn_Shemer"]="Eyn Shemer",
+  ["Incirlik"]="Incirlik",
+  ["Damascus"]="Damascus",
+  ["Bassel_Al_Assad"]="Bassel Al-Assad",
+  ["Aleppo"]="Aleppo",
+  ["Qabr_as_Sitt"]="Qabr as Sitt",
+  ["Wujah_Al_Hajar"]="Wujah Al Hajar",
+  ["Al_Dumayr"]="Al-Dumayr",
+  ["Hatay"]="Hatay",
+  ["Haifa"]="Haifa",
+  ["Khalkhalah"]="Khalkhalah",
+  ["Megiddo"]="Megiddo",
+  ["Rayak"]="Rayak",
+  ["Mezzeh"]="Mezzeh",
+  ["King_Hussein_Air_College"]="King Hussein Air College",
+  ["Jirah"]="Jirah",
+  ["Taftanaz"]="Taftanaz",
+  ["Rene_Mouawad"]="Rene Mouawad",
+  ["Ramat_David"]="Ramat David",
+  ["Minakh"]="Minakh",
+  ["Adana_Sakirpasa"]="Adana Sakirpasa",
+  ["Marj_as_Sultan_South"]="Marj as Sultan South",
+  ["Hama"]="Hama",
+  ["Al_Qusayr"]="Al Qusayr",
+  ["Palmyra"]="Palmyra",
+  ["Tabqa"]="Tabqa",
+  ["Beirut_Rafic_Hariri"]="Beirut-Rafic Hariri",
+  ["An_Nasiriyah"]="An Nasiriyah",
+  ["Abu_al_Duhur"]="Abu al-Duhur",
+}
+
+
 --- AIRBASE.ParkingSpot ".Coordinate, ".TerminalID", ".TerminalType", ".TOAC", ".Free", ".TerminalID0", ".DistToRwy".
 -- @type AIRBASE.ParkingSpot
 -- @field Core.Point#COORDINATE Coordinate Coordinate of the parking spot.