Operation Compass

Operation Compass
Part of the Western Desert Campaign of the Second World War
Map showing the Western Desert theatre
Date 9 December 1940 – 9 February 1941 (2 months) Location Sidi Barrani, Egypt to El Agheila, Libya Result British victory Territorial changes Recapture of western Egypt and occupation of Cyrenaica
Belligerents
British Empire  India Libyan Arab Force[1][a]  Southern Rhodesia  Australia  Free France	Italy  Italian Libya
Commanders and leaders
Archibald Wavell Henry Wilson Richard O'Connor Michael Creagh Noel Beresford-Peirse Iven Mackay	Rodolfo Graziani Giuseppe Tellera † Sebastiano Gallina (POW) Carlo Spatocco Annibale Bergonzoli (POW) Enrico Mannella (POW)
Strength
36,000 men 275 tanks 120 guns 142 aircraft	150,000 men 600 armoured vehicles 1,600 guns 331 aircraft
Casualties and losses
500 killed 1,373 wounded 55 missing 26 aircraft	5,500+ killed 10,000 wounded 133,298  (POW) 420 tanks 845 guns 564 aircraft

Operation Compass (also Italian: Battaglia della Marmarica) was the first large British military operation of the Western Desert Campaign (1940–1943) during the Second World War. British metropolitan, Imperial and Commonwealth forces attacked the Italian and Libyan forces of the 10th Army (Marshal Rodolfo Graziani) in western Egypt and Cyrenaica, the eastern province of Libya, from December 1940 to February 1941.

The Western Desert Force (WDF) (Lieutenant-General Richard O'Connor) with about 36,000 men, advanced from Mersa Matruh in Egypt on a five-day raid against the Italian positions of the 10th Army, which had about 150,000 troops in fortified posts around Sidi Barrani in Egypt and in Cyrenaica to the west. The WDF swiftly defeated the Italians in their fortified posts, at Sidi Barrani, forced the rest of the 10th Army out of Egypt and captured the ports along the Cyrenaican coast in Libya. The 10th Army was cut off as it retreated towards Tripolitania at the Battle of Beda Fomm, the remnants being pursued to El Agheila on the Gulf of Sirte.

The British took over 138,000 Italian and Libyan prisoners, hundreds of tanks, more than a thousand guns and many aircraft. The WDF suffered casualties of 1,900 men killed and wounded, about 10 per cent of the infantry. The WDF was unable to continue beyond El Agheila, due to worn out vehicles and the diversion in March 1941 of the best-equipped units to conduct Operation Lustre for the Battle of Greece. The Italians rushed reinforcements to Libya to defend Tripoli, assisted by the Deutsches Afrikakorps and the Luftwaffe.

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