 Complete the following phrase:  Before leaving for Egypt, the division exchanged brigades with the 1st Armoured Division. Since the brigade received in exchange consisted of only one armoured regiment, division strength was reduced to three armoured regiments. Upon arriving in Egypt in December 1940, the division was further reduced in order to provide support for Operation Lustre, an expeditionary force to Greece. The detached units included two-thirds of the divisions tanks, a battalion of infantry, and artillery support. The remts of the division then moved to the province of Cyrenaica in Italian Libya, which had been conquered during Operation Compass. The divisions remaining tanks were worn-out; they were supplemented by captured Italian models that were equally decrepit. In March, 