Found a solution to avoid having to install MOOSE.

Now MOOSE can be copied into the mission file, but you'll need to
include a "do file" action of moose.lua in the mission file and copy the
rest of the MOOSE files to the MIZ file.

Moose/DestroyUnitTypesTask.lua

@@ -0,0 +1,55 @@
+--- Set TASK to destroy certain unit types.
+-- @classmod DESTROYUNITTYPESTASK
+
+Include.File("DestroyBaseTask")
+
+DESTROYUNITTYPESTASK = {
+  ClassName = "DESTROYUNITTYPESTASK",
+	GoalVerb = "Destroy",
+}
+
+--- Creates a new DESTROYUNITTYPESTASK.
+-- @tparam string DestroyGroupType 		String describing the group to be destroyed. f.e. "Radar Installations", "Fleet", "Batallion", "Command Centers".
+-- @tparam string DestroyUnitType 		String describing the unit to be destroyed. f.e. "radars", "ships", "tanks", "centers".
+-- @tparam table{string,...} DestroyGroupNames 	Table of string containing the group names of which the radars are be destroyed.
+-- @tparam string DestroyUnitTypes	 	Table of string containing the type names of the units to achieve mission success.
+-- @treturn DESTROYUNITTYPESTASK
+function DESTROYUNITTYPESTASK:New( DestroyGroupType, DestroyUnitType, DestroyGroupNames, DestroyUnitTypes )
+trace.f(self.ClassName)
+
+	-- Inheritance
+	local Child = BASE:Inherit( self, DESTROYBASETASK:New( DestroyGroupType, DestroyUnitType, DestroyGroupNames ) )
+	
+	if type(DestroyUnitTypes) == 'table' then
+		Child.DestroyUnitTypes = DestroyUnitTypes
+	else
+		Child.DestroyUnitTypes = { DestroyUnitTypes }
+	end
+	
+	Child.Name = 'Destroy Unit Types'
+	Child.GoalVerb = "Destroy " .. DestroyGroupType
+
+	--env.info( 'New Types Child = ' .. tostring(Child) )
+	--env.info( 'New Types self = ' .. tostring(self) )
+
+	Child.AddEvent( Child, world.event.S_EVENT_DEAD, Child.EventDead )
+
+	return Child
+end
+
+--- Report Goal Progress.
+-- @tparam 	Group DestroyGroup 		Group structure describing the group to be evaluated.
+-- @tparam 	Unit DestroyUnit 		Unit structure describing the Unit to be evaluated.
+function DESTROYUNITTYPESTASK:ReportGoalProgress( DestroyGroup, DestroyUnit )
+trace.f(self.ClassName)
+
+	local DestroyCount = 0
+	for UnitTypeID, UnitType in pairs( self.DestroyUnitTypes ) do
+		if DestroyUnit and DestroyUnit:getTypeName() == UnitType then
+			if DestroyUnit and DestroyUnit:getLife() <= 1.0 then
+				DestroyCount = DestroyCount + 1
+			end
+		end
+	end
+	return DestroyCount
+end