Mersa Matruh Mersa Matruh (, anchorage) was a small port east of the wire, halfway between Cyrenica and El Alamein. A railhead connected the town to Alexandria. The harbour was long and enclosed a small, deep-water anchorage. The coastal town was like a small Tobruk. Mersa Matruh had been fortified in 1940 before the
Italian invasion of Egypt in 1940 and was further strengthened during the build-up for
Operation Crusader and was the last coastal fortress in Allied possession. The town is on a thin coastal plain that extends inland to an escarpment. Extending further south is a second narrow plain extending to the Sidi Hamaza escarpment. At the eastern end of this escarpment is the track. Beyond the upper escarpment lies the high desert, extending south to the
Qattara Depression. The western approach to the town was mined and these minefields had been extended around the southern approach to the town but the eastern approach to the fortress was still open; an airfield was just inland. The coast road () was the main avenue of retreat and ran through the town.
Axis plans When Rommel arrived, he planned to defeat the Eighth Army in detail before the British had a chance to regroup behind a defensive line and rebuild their army with fresh formations. Having dealt the British armoured forces a heavy blow at Gazala, he looked to destroy much of their infantry by trapping them in Mersa Matruh. Rommel believed that four infantry divisions were in the fortress and the remnants of the British armour was to the south. He planned to use German units to push the British armour aside and use the 90th Light Division to cut off the infantry at Matruh. Besides harassing his motor transport, the Desert Air Force had attacked a car of the Italian
XX Motorised Corps, killing the artillery commander, General Guido Piacenza, and mortally wounding Colonel Vittorio Raffaelli the commander of engineers and the corps commander, General
Ettore Baldassarre on 25 June while they were moving between the lead columns intending to attack the 7th Armoured Division. Baldassare had been much valued by Rommel, who noted his bravery and efficiency. German reconnaissance units reached the outskirts of Mersa Matruh on the evening of 25 June. Rommel planned to attack the next day, but on the morning of 26 June an Axis supply column was destroyed, causing a fuel shortage and delaying the attack till the afternoon. Rommel's information on British dispositions at Matruh was limited, partly due to a lack of air reconnaissance and partly to the loss of his wireless interception unit, the 621st Signals Battalion, which the British had become aware of and made a point of over-running and destroying at the Battle of Gazala.
British plans Auchinleck had been preparing defences at Mersa Matruh to be garrisoned by
XXX Corps but then moved it back to the Alamein position; the positions at Matruh were taken up by
X Corps (
Lieutenant-General William Holmes), with two infantry divisions. The
10th Indian Infantry Division was sent to Mersa Matruh proper, while the
50th (Northumbrian) Infantry Division was east of the town protecting the rear. To the south,
XIII Corps took up positions on the high ground above the second escarpment. Auchinleck directed the corps commanders to offer the strongest possible resistance; if either corps was attacked the other was to take the opportunity to attack the Axis flank. equipment and supplies being removed from Mersa Matruh, 26 June 1942. XIII Corps comprised the
5th Indian Infantry Division,
2nd New Zealand Division and
1st Armoured Division but the 5th Indian Infantry Division had only the
29th Indian Infantry Brigade. It was positioned south of the town on the Sidi Hamaza escarpment. The 2nd New Zealand Division had recently arrived from Syria. It took up positions at the eastern end of the escarpment, at the (, promontory or cliff) track. The
22nd Armoured Brigade (1st Armoured Division) was in the desert to the south-west. The division had been reinforced by the 7th Motorised Brigade and
4th Armoured Brigade (
7th Armoured Division), which protected the Eighth Army against a southern flanking manoeuvre. The armoured units had lost nearly all of their tanks at Gazala but had received replacements, bringing the number up to 159 tanks, including 60 American
Grant tanks with guns. Between the corps was a plain bounded by the escarpments, where a thin minefield had been laid, screened by Gleecol and Leathercol from the 29th Indian Infantry Brigade. The small columns each had two platoons of infantry and an artillery detachment. Orders and counter-orders resulted in confusion in the minds of the British commanders. The British forces had to engage the Axis and inflict as much attrition as possible but could not risk being enveloped and destroyed. At Matruh the Eighth Army units were far stronger than the German and Italians but their effectiveness was reduced by conflicting objectives. There was little co-ordination between the British forces and communication was poor from the corps level on down. ==Battle==