Panzer III addition, to counter enemy anti-tank rifles, starting from 1943, the Ausf. L version began the use of spaced armour sideskirts and screens (known as "Schürzen" in German) around the turret and on the vulnerable hull-sides. However, due to the introduction of the upgunned and more-armoured Panzer IV, the Panzer III was, after the German defeat at the Battle of Kursk in the summer of 1943, relegated to secondary/minor combat roles, such as tank-training, and it was finally replaced as the main German medium tank by the Panzer IV and the Panzer V Panther. The Panzer III's strong, reliable and durable
7th Panzer Division (Wehrmacht) to the west and 7th Panzer Division to the east, flanked by the SS Division Totenkopf. The following day the British launched a counterattack, deploying two infantry battalions supported by heavily armoured Matilda Mk I and Matilda II tanks in the Battle of Arras. The German 37 mm anti-tank gun proved ineffective against the heavily armoured Matildas. The 25th Panzer Regiment and a battery of anti-aircraft guns were called in to support, and the British withdrew. On 24 May, Hitler issued a halt order. The reason for this decision is still a matter of debate. He may have overestimated the