 Complete the following phrase:  22nd Armoured Brigade and its signal squadron had been left in the UK while the rest of 2nd Armoured Division sailed to Egypt. It finally arrived on 2 October, long after 2nd Armoured Division had been captured. The brigade served through the rest of the Western Desert Campaign under the command alternately of 1st and 7th Armoured Divisions, seeing action at the Relief of Tobruk in November 1941, and the battles of Gazala, Mersa Matruh, First Alamein and Alam el Halfa. From the Second Battle of El Alamein the brigade became a permanent part of 7th Armoured Division. It served through the Tunisian Campaign at Medenine, the Mareth Line, Wadi Akarit, Enfidaville, and the capture of Tunis. It then took part in the 