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Operation Sonnenblume

Operation Sonnenblume (Unternehmen Sonnenblume, "Operation Sunflower") was the name given to the dispatch of German and Italian troops to North Africa in February 1941, during the Second World War. The Italian 10th Army (10ª Armata) had been destroyed by the British, Commonwealth, Empire and Allied Western Desert Force attacks during Operation Compass (9 December 1940 – 9 February 1941). The first units of the new Deutsches Afrikakorps (DAK), commanded by Generalleutnant Erwin Rommel, departed Naples for Africa and arrived on 11 February 1941. (In the English-speaking world, the term Afrika Korps became a generic term for German forces in North Africa.) On 14 February, advanced units of the 5th Light Afrika Division (later renamed the 21st Panzer Division), Aufklärungsbataillon 3 (Reconnaissance Battalion 3) and Panzerjägerabteilung 39 (Anti-tank Detachment 39) arrived at the Libyan port of Tripoli and were sent immediately to the front line east of Sirte.

Rommel arrived in Libya on 12 February, with orders to defend Tripoli and Tripolitania, albeit using aggressive tactics. General Italo Gariboldi replaced Maresciallo d'Italia (Marshal of Italy) Rodolfo Graziani as the Governor-General of Libya on 25 March and Generale d'Armata Mario Roatta, Commander in Chief of the Royal Italian Army (Regio Esercito), ordered Graziani to place Italian motorised units in Libya under the new Italian–German command. The first German troops reached Sirte on 15 February, advanced to Nofilia on 18 February and a German raiding party ambushed a British patrol near El Agheila on 24 February. On 24 March, the Axis captured El Agheila and on 31 March attacked Mersa Brega. The understrength 3rd Armoured Brigade failed to counter-attack and began to retreat towards Benghazi the next day.


When the 3rd Armoured Brigade moved, its worn-out tanks began to break down, as had been predicted. The brigade failed to prevent Axis flanking moves in the desert south of the Cyrenaican bulge, which left Australian infantry in Benghazi no option but to retreat up the Via Balbia. Rommel split his forces into small columns to harry the British retreat as far the Axis fuel and water shortage permitted. A considerable British force was captured at Mechili, which led to the British retreat continuing to Tobruk and then on to the Libyan–Egyptian frontier. Axis forces failed to capture Tobruk in the first rush and Rommel then had to divide the Axis forces between Tobruk and the frontier.


Sonnenblume succeeded because the ability of the Germans to mount an offensive was underestimated by General Archibald Wavell, the Commander in Chief Middle East, the War Office and Winston Churchill. Rommel transformed the situation by his audacity, which was unexpected, despite copious intelligence reports from the decryption of signals from the German Enigma coding machine and MI14 (British Military Intelligence). Many experienced British units had been transferred to Greece in Operation Lustre and others to Egypt to refit. Some commanders appointed by Wavell to Cyrenaica Command (CYRCOM) failed to live up to expectations and Wavell relied on maps that were found to be inaccurate, when he later arrived to see for himself. In 1949, Wavell wrote, "I had certainly not budgeted for Rommel after my experience of the Italians. I should have been more prudent...".

Aftermath[edit]

Analysis[edit]

In 1956, I. S. O. Playfair, the British official historian, wrote that British assumptions about the time needed for an Axis counter-offensive were not unrealistic but were confounded by the boldness of Rommel and the fact that the 3rd Armoured Brigade was a brigade in name only, no tanks were available for the re-equipping of the brigade or the two in the 7th Armoured Division back in Egypt. When the DAK attacked there was no armoured force capable of counter-attacking or cutting Axis communications. By the time the British had retreated into the Jebel Akhdar, the infantry lacked mobility, the tanks of the 3rd Armoured Brigade had fallen to pieces and the only reserve was a motor brigade without tanks, artillery and anti-tank guns. For as long as the Axis forces had the fuel to manoeuvre, the British had no defence against outflanking attacks to the south. The retreat to Tobruk succeeded but the first Italo-German offensive had been an operational success and a "triumph for Rommel".[45]


The Luftwaffe and Regia Aeronautica had little influence on operations, despite the disadvantages faced by the DAF during the retreat. The Fliegerführer Afrika was not under army authority and chose the objectives of the air forces. Many strafing attacks were made on parties of British troops and vehicles but these were not concentrated on bottlenecks, despite the few routes of retreat round the Cyrenaican bulge and south of the Jebel Akhdar. The DAF had been depleted to provide squadrons for Greece and had only two fighter and one bomber squadron until 8 April when another bomber squadron arrived. The fighter squadrons had to resort to wasteful standing patrols over important areas and were able occasionally to give cover to traffic jams but were unable to prevent air attacks on two petrol convoys, which were destroyed. The British lacked the aircraft to keep air superiority and the Axis air forces made no consistent attempt to seize it, leading to the influence of both sides being sporadic.[46]


Supply constraints had made it impossible for the Axis to advance much beyond the frontier wire on the Libyan–Egyptian border by mid-April. As long as the port of Tobruk was held by the British, the Axis position on the border was unstable, as the Italo-Germans were distracted by the siege, while the British could rebuild their strength in Egypt. The British Mobile Force columns based at Halfaya, Sofafi, Buq Buq and Sidi Barrani began to harass the Germans in the area around Capuzzo and Sollum and after an ambush near Sidi Azeiz, the local German commander sent an alarmist report to Rommel, leading to an attack by Group Herff from 25 to 26 April, that pushed the British back to Buq Buq and Sofafi but the April attacks on Tobruk were costly failures.[45]


Cooper wrote in 1978, that Tobruk had been invested on 11 April, after a twelve-day advance. German tanks had proved superior to their British counterparts but the Axis could not maintain a force further east than Sollum, without Tobruk. German forces probed the Tobruk defences from 11–12 April, attacked from 13 to 14 April and again from 16 to 17 April. On 2 May, Rommel accepted that the Axis force was not sufficient to capture Tobruk. Preparations would have to be made to repel a British counter-attack from Egypt, the chronic lack of fuel determining movement more than tactics. Comando Supremo (Italian Armed Forces High Command) wanted a pause before advancing into Egypt, as did Hitler, who also considered the capture of Tobruk to be essential; Rommel demanded more aircraft to carry ammunition, fuel and water forward. General Friedrich Paulus, a deputy Chief of the General Staff, was sent to Africa to report on the situation.[47] The British received through Ultra a decrypt of the Paulus report but the "considerable intelligence coup" was mishandled, encouraging the premature attack of Operation Brevity.[48]


In 1993, Harold Raugh wrote that the diversion of so many British units to Greece was the main reason for the success of Sonnenblume, along with the transfer of units to Egypt to refit, the appointment by Wavell of incompetent commanders and his failure properly to study the terrain. The potential of the Germans to mount an offensive was underestimated and the capability, audacity and potential Rommel had to transform the situation was overlooked by Wavell, the War Office and Winston Churchill, despite copious intelligence reports from Ultra and MI 14 (British Military Intelligence). In 1949, Wavell wrote that he had taken an unwarranted risk in Cyrenaica, having formed expectations of the Axis based on the experience of fighting the Italian army; "I had certainly not budgeted for Rommel after my experience of the Italians. I should have been more prudent...."[49]

Casualties[edit]

The British lost 3,000 men when much of the 3rd Indian Motor Brigade was forced to surrender at Mechili on 8 April.[50] Lieutenant-generals Philip Neame and Richard O'Connor, Richard Gambier-Parry, the 2nd Armoured Division commander, Brigadier Reginald Rimington and Lieutenant-Colonel John Combe were captured.[51] From 24 March – 14 May, the 3rd Armoured Brigade lost most of its tanks to mechanical breakdown, fuel shortage and demolitions to prevent them being captured. About twenty tanks had been returned earlier to Tobruk for repairs and another three unserviceable tanks were salvaged during the retreat; 103–107 German tanks were knocked out but many were recovered later and repaired.[52]

Orders of battle[edit]

Deutsches Afrikakorps[edit]

Data taken from Pitt (2001) unless indicated.[58]

Transliteration of Libyan place names

List of World War II Battles

North African campaign timeline

Chadwick, Rommel's First Offensive

at Ike Skelton Library

Rommel's desert campaigns, February 1941 - September 1942: a study in operational level weakness.

at fireandfury.com

Italian tables of organisation

at fireandfury.com

British tables of organisation