maintain order and discipline prevent panic retreats gather stragglers and assemble them at collection points, where they could be assembled into ad hoc units check soldiers travel and/or leave permits at embarkation points round up deserters and either return to their units, hand them over to the Feldgendarmerie or Geheime Feld Polizei or issue punishment themselves. Gather Prisoners of War (PoWs) and hand them over to the appropriate authorities.