By implementing the second part of the "Fall Rot" invasion of France, IR "GD" was part of the "Kleist" Panzer Group, which aimed to break the so-called " "Weyganda line" - the last instance in the French defense plan. The Allies hoped that the reinforcements of the line would hold back the German tanks for a while, but the Wehrmacht's fast units exploited gaps in the French lines, leaving the infantry on the head of the infantry - and that was the task of the "Grossdeutschland"

