diff --git a/Moose Development/Moose/Functional/Mantis.lua b/Moose Development/Moose/Functional/Mantis.lua
index b6d711964..dcc46f293 100644
--- a/Moose Development/Moose/Functional/Mantis.lua	
+++ b/Moose Development/Moose/Functional/Mantis.lua	
@@ -22,7 +22,7 @@
 -- @module Functional.Mantis
 -- @image Functional.Mantis.jpg
 --
--- Last Update: May 2024
+-- Last Update: July 2024
 
 -------------------------------------------------------------------------
 --- **MANTIS** class, extends Core.Base#BASE
@@ -59,6 +59,7 @@
 -- @field #number ShoradTime Timer in seconds, how long #SHORAD will be active after a detection inside of the defense range
 -- @field #number ShoradActDistance Distance of an attacker in meters from a Mantis SAM site, on which Shorad will be switched on. Useful to not give away Shorad sites too early. Default 15km. Should be smaller than checkradius.
 -- @field #boolean checkforfriendlies If true, do not activate a SAM installation if a friendly aircraft is in firing range.
+-- @field #table FilterZones Table of Core.Zone#ZONE Zones Consider SAM groups in this zone(s) only for this MANTIS instance, must be handed as #table of Zone objects.
 -- @extends Core.Base#BASE
 
 
diff --git a/Moose Development/Moose/Utilities/Utils.lua b/Moose Development/Moose/Utilities/Utils.lua
index 842c94df9..817f7cb77 100644
--- a/Moose Development/Moose/Utilities/Utils.lua	
+++ b/Moose Development/Moose/Utilities/Utils.lua	
@@ -4049,3 +4049,25 @@ function UTILS.ReadCSV(filename)
 
   return csvdata
 end
+
+--- Seed the LCG random number generator.
+-- @param #number seed Seed value. Default is a random number using math.random()
+function UTILS.LCGRandomSeed(seed)
+  UTILS.lcg = {
+    seed = seed or math.random(1, 2^32 - 1),
+    a = 1664525,
+    c = 1013904223,
+    m = 2^32
+  }
+end
+
+--- Return a pseudo-random number using the LCG algorithm.
+-- @return #number Random number between 0 and 1.
+function UTILS.LCGRandom()
+  if UTILS.lcg == nil then
+    UTILS.LCGRandomSeed()
+  end
+  UTILS.lcg.seed = (UTILS.lcg.a * UTILS.lcg.seed + UTILS.lcg.c) % UTILS.lcg.m
+  return UTILS.lcg.seed / UTILS.lcg.m
+end
+