British Army during the Second World War the command of Lieutenant-General Sir Alan Cunningham. Over time the Eighth Army would be commanded by Neil Ritchie, Claude Auchinleck, Bernard Montgomery, Oliver Leese and Richard McCreery. In the early years of the war Eighth Army suffered from poor leadership and repeated reversals of fortune until the Second Battle of El Alamein when it advanced across Libya into Tunisia and joined the First Army in the 18th Army Group. The Eighth Army, under 15th Army Group command, later took part in the Allied invasion of Sicily, the Allied invasion of Italy and the Italian Campaign, where progress was slow and
Second Battle of El Alamein of Stalingrad and the Guadalcanal Campaign. The Panzer Army Africa ("Panzerarmee Afrika"), composed of German and Italian infantry and mechanised units under "Generalfeldmarschall" Erwin Rommel, had struck deep into Egypt by 12 July 1942 after its success at the Battle of Gazala. This threatened the British Empire's control of the Suez Canal and Mandatory Palestine. General Claude Auchinleck withdrew the Eighth Army to within of Alexandria to a point where the Qattara Depression came to within of El Alamein on the coast. This gave the defenders a short front to defend and provided secure flanks because tanks could not traverse