diff --git a/Moose Development/Moose/Wrapper/Group.lua b/Moose Development/Moose/Wrapper/Group.lua
index 263b3a0ec..a9c678ab5 100644
--- a/Moose Development/Moose/Wrapper/Group.lua	
+++ b/Moose Development/Moose/Wrapper/Group.lua	
@@ -2570,6 +2570,30 @@ function GROUP:EnableEmission(switch)
   return self
 end
 
+--- Switch on/off invisible flag for the group.
+-- @param #GROUP self
+-- @param #boolean switch If true, emission is enabled. If false, emission is disabled.
+-- @return #GROUP self 
+function GROUP:SetCommandInvisible(switch)
+  self:F2( self.GroupName )
+  local switch = switch or false
+  local SetInvisible = {id = 'SetInvisible', params = {value = true}}
+  self:SetCommand(SetInvisible)
+  return self
+end
+
+--- Switch on/off immortal flag for the group.
+-- @param #GROUP self
+-- @param #boolean switch If true, emission is enabled. If false, emission is disabled.
+-- @return #GROUP self 
+function GROUP:SetCommandImmortal(switch)
+  self:F2( self.GroupName )
+  local switch = switch or false
+  local SetInvisible = {id = 'SetImmortal', params = {value = true}}
+  self:SetCommand(SetInvisible)
+  return self
+end
+
 --do -- Smoke
 --
 ----- Signal a flare at the position of the GROUP.