On September 5, 1942, the Battle at Alam Halfa ended. From the article:
"Montgomery's Plan
To defend this line, three infantry divisions from XXX Corps were positioned on ridges running from the coast south to Ruweisat Ridge. To the south of the ridge, the 2nd New Zealand Division was similarly fortified along a line ending at Alam Nayil. In each case, the infantry was protected by extensive minefields and artillery support. The final twelve miles from Alam Nayil to the depression was featureless and difficult to defend. For this area, Montgomery ordered that minefields and wire be laid, with the 7th Motor Brigade Group and 4th Light Armoured Brigade of the 7th Armoured Division in position behind.
When attacked, these two brigades were to inflict maximum casualties before falling back. Montgomery established his main defensive line along the ridges running east from Alam Nayil, most notably Alam Halfa Ridge. It was here that he positioned the bulk of his medium and heavy armor along with anti-tank guns and artillery. It was Montgomery's intention to entice Field Marshal Erwin Rommel to attack through this southern corridor and then defeat him in a defensive battle. As British forces assumed their positions, they were augmented by the arrival of reinforcements and new equipment as convoys reached Egypt.
Rommel's Advance
Across the sands, Rommel's situation was growing desperate as his supply situation worsened. While he advance across the desert had seen him win stunning victories over the British, it had badly extended his supply lines. Requesting 6,000 tons of fuel and 2,500 tons of ammunition from Italy for his planned offensive, Allied forces succeeded in sinking over half of the ships dispatched across the Mediterranean. As a result, only 1,500 tons of fuel reached Rommel by the end of August. Aware of Montgomery's growing strength, Rommel felt compelled to attack with the hope of winning a quick victory.
Constrained by the terrain, Rommel planned to push the 15th and 21st Panzer Divisions, along with the 90th Light Infantry through the southern sector, while the bulk of his other forces demonstrated against the British front to the north. Once through the minefields, his men would push east before turning north to sever Montgomery's supply lines. Moving forward on the night of August 30, Rommel's attack quickly encountered difficulty. Spotted by the Royal Air Force, British aircraft began attacking the advancing Germans as well as directing artillery fire on their line of advance.
The Germans Held
Reaching the minefields, the Germans found them to be much more extensive than anticipated. Slowly working through them, they came under intense fire from the 7th Armoured Division and British aircraft which exacted a high toll, including wounding General Walther Nehring, commander of the Afrika Korps. Despite these difficulties, the Germans were able to clear the minefields by noon the next day and began pressing east. Eager to make up lost time and under constant harassing attacks from 7th Armoured, Rommel ordered his troops to turn north earlier than planned.
This maneuver directed the assault against the 22nd Armoured Brigade's positions on Alam Halfa Ridge. Moving north, the Germans were met with intense fire from the British and were halted. A flank attack against the British left was stopped by heavy fire from anti-tank guns. Stymied and short on fuel, General Gustav von Vaerst, now leading the Afrika Korps, pulled back for the night. Attacked through the night by British aircraft, German operations on September 1 were limited as 15th Panzer had a dawn attack checked by the 8th Armoured Brigade and Rommel began moving Italian troops into the southern front.
Under constant air attack during the night and into the morning hours of September 2, Rommel realized that the offensive had failed and decided to withdraw west. His situation was made more desperate when a column of British armored cars badly mauled one of his supply convoys near Qaret el Himeimat. Realizing his adversary's intentions, Montgomery began formulating plans for counterattacks with the 7th Armoured and 2nd New Zealand. In both cases, he emphasized that neither division should incur losses that would preclude them from taking part in a future offensive.
While a major push from 7th Armoured never developed, the New Zealanders attacked south at 10:30 PM on September 3. While the veteran 5th New Zealand Brigade had success against the defending Italians, an assault by the green 132nd Brigade collapsed due to confusion and fierce enemy resistance. Not believing a further attack would succeed, Montgomery cancelled further offensive operations the next day. As a result, the German and Italian troops were able to retreat back to their lines, though under frequent air attack.
The Battle's Aftermath
The victory at Alam Halfa cost Montgomery 1,750 killed, wounded, and missing as well as 68 tanks and 67 aircraft. Axis losses totaled around 2,900 killed, wounded, and missing along with 49 tanks, 36 aircraft, 60 guns, and 400 transport vehicles. Often overshadowed by the First and Second Battles of El Alamein, Alam Halfa represented the last significant offensive launched by Rommel in North Africa. Far from his bases and with his supply lines crumbling, Rommel was forced to move to the defensive as British strength in Egypt grew.
In the wake of the battle, Montgomery was criticized for not pressing harder to cut off and destroy the Afrika Korps when it was isolated on his southern flank. He responded by stating that Eighth Army was still in the process of reforming and lacked the logistical network to support the exploitation of such a victory. Also, he was adamant that he wished to preserve British strength for a planned offensive rather than risk it in counterattacks against Rommel's defenses. Having shown restraint at Alam Halfa, Montgomery moved to the attack in October when he opened the Second Battle of El Alamein."