7th Armoured Division (United Kingdom) Egypt in case the war spread. When rain and sandstorms led to vehicles being bogged down, it became known as the "Immobile Farce" within the ranks. After the Munich Crisis, elements of what would become the 7th Armoured Division arrived in the Middle East in 1938 to increase British strength in Egypt and form a Mobile Division. The 'Mobile Force' – initially the "Matruh Mobile Force" – was established on the coast some west of Alexandria. It was formed from the Cairo Cavalry Brigade (three armoured regiments: the 7th Queen's Own Hussars, the 8th King's Royal Irish Hussars and the
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