
Intermediate:
  Ammunition is not reloaded between missions
  You cannot control enemy forces
  You have to use sensors to detect enemy targets (however, you
    can see enemy weapons)
  You cannot see enemy weapon status, countermeasures or name of the
    target being attacked
  Enemy cannot use countermeasures against you

Advanced:
  Ammunition is not reloaded between missions
  You cannot control enemy forces
  You have to use sensors to detect enemy targets and weapons
  You cannot see enemy weapon status or countermeasures
  Enemy can use countermeasures against you

     NOTE:  You can't change the difficulty level from within a mission, 
battle or campaign.

