With the morning sun at their backs, the fictional East German 11th Motor Rifle Division poured across the border, guarding the right flank of the Russian 20th Guards Army. Their objective was Kassel. Determined to stop their former brothers in arms, the West German Kampfgruppen "Klaus" waited in the early morning mist. Just as determined to demonstrate his men's ability, the commander of the East German 5th Panzer Regiment ordered the advance.