El Alamein

Lore & Background

The battle ended the Axis threat to the Middle East and Iran and revived the morale of the western Allies, being their first large success against the Axis since Operation Crusader in late 1941. The end of the battle coincided with the Allied invasion of French North Africa in Operation Torch on 8 November, which opened a second front in North Africa. Panzer Army Africa, composed of German and Italian tank and infantry units under Generalfeldmarschall Erwin Rommel, had advanced into Egypt after its success at the Battle of Gazala (26 May – 21 June 1942). The Axis advance threatened British control of the Suez Canal, the Middle East and its oil resources. General Claude Auchinleck withdrew the Eighth Army to within 50 mi (80 km) of Alexandria where the Qattara Depression was 40 mi (64 km) south of El Alamein on the coast. The depression was impassable and meant that any attack had to be frontal. Axis attacks in the First Battle of El Alamein (1–27 July) had been defeated. Eighth Army counter-attacks in July also failed. In early August, Winston Churchill and General Sir Alan Brooke visited Cairo and replaced Auchinleck with General Harold Alexander. Lieutenant-General William Gott was made commander of the Eighth Army but was killed when his transport aircraft was shot down; Lieutenant-General Bernard Montgomery was flown from Britain to replace him.

In Their Own Story

Lacking reinforcements and depending on small, underdeveloped ports for supplies and aware of a huge Allied reinforcement operation for the Eighth Army, Rommel decided to attack first. The two armoured divisions of the Afrika Korps and the reconnaissance units of Panzerarmee Afrika led the attack but were repulsed at the Alam el Halfa ridge and Point 102 on 30 August 1942, during the Battle of Alam el Halfa; the Axis forces retired to their start lines. The short front line and secure flanks favoured the defensive and Rommel had time to develop the Axis fortifications, sowing minefields with c. 500,000 mines and miles of barbed wire. Until June 1942 Rommel had been receiving detailed information about the strength and movement of British forces from reports sent to Washington by Colonel Bonner Fellers, the U.S. military attaché in Cairo. The American code had been stolen following a covert operation by Italian military intelligence at the American Embassy in Rome the previous year. Suspicion that the code was compromised was confirmed when the 9th Australian Division captured the German 621st Signal Battalion in July 1942. The British gained the intelligence advantage because Ultra and local sources exposed the Axis order of battle, its supply position and intentions. By 25 October, Panzerarmee Afrika was down to three days' supply of fuel, only two days' of which were east of Tobruk. After six more weeks, the Eighth Army was ready; 195,000 men and 1,029 tanks began the offensive against the 116,000 men and 547 tanks of the Panzerarmee.

Reader's Guide

Montgomery's plan was for a main attack to the north of the line and a secondary attack to the south, involving XXX Corps and XIII Corps, while X Corps was to exploit the success. With Operation Lightfoot, Montgomery intended to cut two corridors through the Axis minefields in the north. One corridor was to run south-west through the 2nd New Zealand Division sector towards the centre of Miteirya Ridge, while the second was to run west, passing 2 mi (3.2 km) north of the west end of the Miteirya Ridge across the 9th Australian and 51st (Highland) Division sectors. Tanks would then pass through and defeat the German armour. Diversions at Ruweisat Ridge in the centre and also the south of the line would keep the rest of the Axis forces from moving northwards. Montgomery expected a 12-day battle in three stages: the break-in, the dogfight and the final breaking of the enemy. For the first night of the offensive, Montgomery planned for four infantry divisions of XXX Corps to advance on a 16 mi (26 km) front to the Oxalic Line, over-running the forward Axis defences. Engineers would clear and mark the two lanes through the minefields, through which the armoured divisions from X Corps would pass to gain the Pierson Line. Before the battle the Commonwealth forces practised deceptions, in Operation Bertram, to confuse the Axis command as to where and when the battle was to occur. A dummy water pipeline was built at a rate suggesting it would not be completed until after the attack. The purpose of the deception was to make the Axis believe that the impending attack would take place much further to the south than it would in reality and about two days later than the actual attack.

Did You Know?

• The Axis minefields at El Alamein contained approximately 500,000 mines and miles of barbed wire.
• The 9th Australian Division captured the German 621st Signal Battalion in July 1942, confirming the American code was compromised.
• By 25 October, Panzerarmee Afrika was down to three days' supply of fuel, only two days' of which were east of Tobruk.
• The Eighth Army fielded 195,000 men and 1,029 tanks against the Panzerarmee's 116,000 men and 547 tanks.
• The end of the battle coincided with the Allied invasion of French North Africa in Operation Torch on 8 November.

Strategic Context and Command Shifts

The Second Battle of El Alamein emerged from a precarious situation where Axis forces, led by Erwin Rommel, had pushed deep into Egypt following their victory at Gazala. This advance threatened the vital Suez Canal and Middle Eastern oil reserves, forcing General Claude Auchinleck to withdraw his Eighth Army to the defensive line near El Alamein. The geography here was decisive; the Qattara Depression to the south created an impassable barrier, compelling any conflict into a narrow front where flanking maneuvers were impossible. After failed counter-attacks in July and a subsequent stalemate, British leadership underwent a dramatic overhaul in August 1942. Winston Churchill and General Alan Brooke replaced Auchinleck with General Harold Alexander as Commander-in-Chief, while Lieutenant-General Bernard Montgomery was flown from Britain to lead the Eighth Army after William Gott's fatal plane crash. This new command structure aimed to reverse the momentum, capitalizing on a secure defensive line where Rommel had been forced to dig in following his own failed offensive at Alam el Halfa.

Intelligence Superiority and Logistics

A critical factor in the Allied victory was the restoration of intelligence dominance after a period of severe compromise. Earlier in the campaign, Rommel had exploited stolen American codes to anticipate British movements, but this advantage evaporated once the breach was discovered following the capture of German signal units by Australian forces. By October 1942, British Ultra intercepts and local sources provided detailed knowledge of Axis supply lines, orders of battle, and intentions. This intelligence allowed Allied naval and air forces to systematically interdict Axis convoys, leaving Panzerarmee Afrika critically short on fuel by late October. While the Germans managed a sixteen-day ammunition reserve through risky submarine runs, their operational freedom was severely curtailed due to fuel shortages. In stark contrast, Montgomery amassed overwhelming force, deploying 195,000 men and over 1,000 tanks against roughly 116,000 Axis troops with fewer than 550 tanks. This disparity in resources and the paralysis of German logistics ensured that when the offensive began, the Axis forces lacked the mobility essential for desert warfare.

Operational Planning and Execution

Montgomery devised a complex strategy known as Operation Lightfoot to overcome the formidable Axis minefields, which contained nearly half a million mines. His plan relied on a dual-pronged assault: a primary attack in the north by XXX Corps and XIII Corps designed to cut two specific corridors through the defenses toward Miteirya Ridge, while X Corps prepared to exploit any breakthrough with armored divisions. Simultaneously, diversionary attacks were scheduled for Ruweisat Ridge and the southern sector to pin down enemy reserves and prevent them from reinforcing the northern front. Montgomery anticipated a grueling thirteen-day engagement divided into three distinct phases: the initial break-in through the minefields, a chaotic 'dogfight' phase where armored forces would clash in the open, and finally, the decisive destruction of the enemy army. The plan required precise coordination to ensure that infantry could clear paths fast enough for tanks to engage German armor before it could react effectively.

Strategic Impact and Global Significance

The Allied victory at El Alamein marked a definitive turning point in the Western Desert Campaign, shattering the Axis Panzerarmee Afrika and forcing a retreat all the way to Tunisia. This success eliminated the immediate threat to Egypt, the Suez Canal, and Iran's oil resources, securing vital supply lines for the Allies. Beyond its tactical achievements, the battle provided a massive psychological boost to the Western Allies, serving as their first major land victory against Axis powers since Operation Crusader in late 1941. The timing of this triumph was strategically profound; it coincided almost perfectly with the launch of Operation Torch on November 8, which opened a second front in North Africa. Together, these operations trapped Axis forces between two advancing Allied armies, effectively sealing their fate in North Africa and signaling the beginning of the end for German ambitions in the region.