Stelle units in Bulge 44

[Mowgli]

What are these "Stelle" units in the campaign scenario of Bulge '44? At the beginning most of them are one turn only units and I have no idea what to do with them.

They can do the following;

• Be used as spotters for artillery.
  
• Be moved into Obstacle hexes to give them the penetrated status.
  
• Be moved into Minefields to give them the penetrated status (not very useful).
  
• Draw defensive fire.
  
• Reveal a unit by moving adjacent to it (Visibility is only one hex on turn 1).
  
• Use Recon Spotting (probably a waste of time).
  

Plus whatever else I have not thought of...

Good points! I haven't taken a look at the scenario myself, but another usage for otherwise inutile units may be that they still create zones of control and can thereby prevent enemy units from advancing through your line.