Battle of the Campobasso Convoy

The Battle of the Campobasso Convoy was a naval engagement between three British Royal Navy destroyers and an Italian torpedo boat which took place off Cape Bon in the Mediterranean sea on the night of 3/4 May 1943. The Italians were escorting the 3,566 gross register ton (GRT) freighter ''Campobasso'' to Tunisia.

Background

As the North Africa campaign neared its conclusion, and of Force K patrolled the waters off Cape Bon. On the night of 29/30 April, the destroyers made a sweep along the south coast of Sicily and encountered the merchant ship ''Fauna'' (575 gross register tons (GRT) escorted by German E-boats. The British destroyers sank ''Fauna'' without loss.

Prelude

A few days later, alerted by signals intelligence, ''Nubian'', ''Paladin'' and , were sent to wait in ambush for an Italian convoy. The Italian merchant ship ''Campobasso'' (3,566 GRT) had left Pantelleria island at 19:00 on 3 May, loaded with bombs, land-mines, motor transport and other supplies to the Axis forces in Tunisia. The merchant ship was joined by its escort, the commanded by Saverio Marotta soon after departure.

The two ships undertook a winding course through the Axis and Allied minefields. On the night of 3/4 May off Kelibia on the Cap Bon peninsula, the British destroyers picked up radar contacts of vessels heading towards the Tunisian coast. ''Perseo'', equipped with a Metox radar detector, picked up the transmissions from the British destroyers and signalled a warning to , the headquarters of the , that the convoy had been found.

Action

At 23:35 star shells burst overhead when the Italian ships were about east of Kelibia (Cape Bon) and ''Campobasso'' was hit soon after and caught fire. After the action a crewman on ''Perseo'' wrote

''Perseo'' launched its two starboard torpedoes from then sailed at full speed to the north-west towards Cape Bon. ''Campobasso'' exploded at 23:48 illuminating ''Perseo''. The British ships fired more star shell and ''Perseo'' began abrupt evasive action until 23:52 when its rudder suffered a mechanical fault. Before the crew could steer manually the hull was hit by two shells then more shells hit the bridge and the engine rooms. Steam escaped from the hull and covered the deck as the engines stopped operating. The British destroyers came as close as , firing their main guns and anti-aircraft armament and at 23:58 Marotta ordered the ship to be abandoned. ''Perseo'' remained afloat for about an hour, when the magazine exploded and the ship sank by the stern at 01:00. The next day the Italian hospital ship ''Principessa Giovanna'' picked up four survivors from ''Campobasso'' (twenty men reached the coast in a lifeboat) and ''Perseo''. On 6 May the hospital ship was bombed and damaged by Allied aircraft, with killed and

Aftermath

Casualties

The crew of ''Campobasso'' suffered casualties out of the crew of the complement of ''Perseo'' suffered and were rescued; Marotta was among those killed.

Subsequent operations

A second convoy, led by the Ciclone-class torpedo boat , loaded with aviation spirit, escorted the merchant ship ''Belluno'' to Tunis from Trapani and managed to evade the British destroyers, after witnessing the destruction of ''Campobasso''. The ''Tifone'' convoy arrived on 4 May and was the last Axis supply run to reach Africa during the war. Another Italian convoy composed by the Italian lighter ''MZ 724'' and the water supply ship ''Scrivia'' sailed on 4 May and evacuated 200 Italian troops from Bizerte, reaching Cagliari undetected the following day.

Operation Retribution

As Axis airfields in Tunisia were captured, Allied fighters could escort Allied ships in the seas between Tunisia and Sicily, making day patrols feasible. Allied convoys along the coast and to Malta were stopped to divert their escorts to the blockade of Tunisia. Aircraft were to attack Axis ships within of the Tunisian shore and beyond the limit, Allied ships would have freedom of movement. British mines had been timed to sink in early May and intelligence on Axis minefields was judged sufficient to risk sailing in some areas. From the night of 8/9 May, ''Paladin'', with , ''Petard'' and ''Nubian'', from Force K bombarded Kelibia on 7 and 9 May and with Force Q based at Bône, comprising , , and with the Hunt-class destroyers , , ''Aldenham'', , , , and RHS ''Kanaris'' maintained a daylight blockade off Cape Bon but had to paint their superstructures red to avoid attacks by friendly aircraft. British Motor Gun Boats, Motor Torpedo Boats and US PT boats patrolled closer inshore at night. Allied superiority was so great that decided that an evacuation attempt would be futile. Sporadic attempts were made to flee Tunisia; after 7 May, the German ''KT 22'', some Axis torpedo boats and MAS boats () were the only vessels to run the blockade. By the Axis surrender, the blockading vessels had taken

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{{DEFAULTSORT:Campobasso convoy
Allied naval victories in the battle of the Mediterranean
1943 in Italy
Naval battles of World War II involving Italy
Campobasso
Conflicts in 1943
Mediterranean convoys of World War II
May 1943 events