Capitani Romani-class cruiser
Cruiser Scipione Africano
|Type:||Light cruiser/destroyer leader|
|Length:||142.2 m (466 ft 6 in) overall|
|Beam:||14.4 m (47 ft 3 in)|
|Draught:||4.1 m (13 ft 5 in)|
|Range:||4,350 nmi (8,060 km) at 18 kn (21 mph; 33 km/h), 1,400 tons of fuel oil|
|Sensors and |
The Capitani Romani class was a class of light cruisers of the Italian navy. They were essentially designed to outrun and outgun the large new French destroyers of the Le Fantasque and Mogador classes. Twelve hulls were ordered in late 1939, but only four were completed, just three of these before the Italian armistice in 1943. The ships were named after prominent Ancient Romans.
The Capitani Romani class were originally classed as "ocean scouts" (Esploratori Oceanici), although some authors consider them to have been heavy destroyers. In fact, after the war the two units still in service were reclassified caccia conduttori (Italian for flotilla leaders).
The design was fundamentally a light, almost unarmoured hull with a large power plant and cruiser style armament. The original design was modified to sustain the prime requirements of speed and firepower. Given their machinery development of 93,210 kW (125,000 hp), equivalent to that of the 17,000 ton cruisers of the Des Moines class, the target speed was over 41 knots (76 km/h), but the ships were left virtually unarmoured. As a result, the three completed warships achieved 43 knots (80 km/h) during trials. The Capitani Romani class vessels shipped a main battery of eight 135 mm guns guns, with a rate of fire of eight rounds per minute and a range of 19,500 m. They also carried eight 533 mm torpedo tubes. The wartime load dropped the operational speed by one to five knots, depending on the source.
Only Scipione Africano saw combat. Equipped with the Italian-developed EC.3 Gufo radar, she detected and engaged four British Elco motor torpedo boats lurking five miles ahead during the night of 17 July 1943, while passing the Messina straits at high speed off Punta Posso. She sank MTB 316 and heavily damaged MTB 313 between Reggio di Calabria and Pellaro. A dozen British seamen lost their lives in this action. The engagement lasted no more than three minutes. Scipione Africano suffered minor damage and two injures when German and Italian batteries deployed along the Italian coast opened fire in the aftermath. The cruiser had been ordered from La Spezia to Taranto, which she eventually reached at 9:46 AM. Her high speed was decisive to the outcome of the battle.
Attilio Regolo was torpedoed by the submarine HMS Unruffled on 7 November 1942, and remained in drydock for several months with her bow shattered. She was interned in Port Mahon in the island of Minorca, Spain, after the Italian capitulation on 9 September 1943.
Four of the ships were scrapped before launch. Five were captured by the Germans in September 1943, still under construction. All five were sunk in harbour, one was raised and completed. Three were completed before the Italian armistice.
|Ship||Namesake||Builder||Laid down||Launched||Completed||Operational history|
|Attilio Regolo||Marcus Atilius Regulus||OTO, Livorno||28 September 1939||28 August 1940||15 May 1942||Commissioned in August 1942 and used as a mine-layer until seriously damaged by a torpedo in November. Ceded to France in 1948 renamed Châteaurenault.|
|Caio Mario||Gaius Marius||OTO, Livorno||28 September 1939||17 August 1941||—||Captured by the Germans in La Spezia, with only the hull completed. Used as a floating oil tank and scuttled in 1944.|
|Claudio Druso||Nero Claudius Drusus||CdT, Riva Trigoso||27 September 1939||—||—||Construction cancelled June 1940. Scrapped between 1941 and February 1942.|
|Claudio Tiberio||Tiberius||OTO, Livorno||28 September 1939||—||—||Construction cancelled June 1940. Scrapped between November 1941 and February 1942.|
|Cornelio Silla||Lucius Cornelius Sulla||Ansaldo, Genoa||12 October 1939||28 June 1941||—||Captured by the Germans in Genoa while fitting out; never completed. Sunk in an air raid in July 1944.|
|Giulio Germanico||Germanicus||Navalmeccanica, Castellammare di Stabia||3 April 1939||26 July 1941||—||Captured by the Germans in Castellammare di Stabia while under completion, and scuttled by them on 28 September 1943. Raised and completed for the Italian Navy after the war. Renamed San Marco, she served as a destroyer leader until her decommission in 1971.|
|Ottaviano Augusto||Emperor Augustus||CNR, Ancona||23 September 1939||28 April 1941||—||Captured by the Germans in Ancona while under completion; sunk in an air attack on 1 November 1943.|
|Paolo Emilio||Lucius Aemilius Paullus Macedonicus||Ansaldo, Genoa||12 October 1939||—||—||Construction cancelled in June 1940. Scrapped between October 1941 and February 1942.|
|Pompeo Magno||Pompey the Great||CNR, Ancona||23 September 1939||28 August 1941||4 June 1943||Renamed San Giorgio, served as a destroyer leader until 1963. Became a training ship in 1965. Decommissioned and scrapped in 1980.|
|Scipione Africano||Scipio Africanus||OTO, Livorno||28 September 1939||12 January 1941||23 April 1943||Ceded to France in 1948 and first renamed S7, then renamed Guichen. Scrapped 1979.|
|Ulpio Traiano||Emperor Trajan||CNR, Palermo||28 September 1939||30 November 1942||—||Sunk 3 January 1943 by British human torpedo attack while under completion in Palermo.|
|Vipsanio Agrippa||Marcus Vipsanius Agrippa||CDT, Riva Trigoso||October 1939||—||—||Construction cancelled June 1940. Scrapped between July 1941 and August 1942.|
French post-War service
Attilo Regolo and Scipione Africano were transferred to France as war reparations. They were renamed Chateaurenault and Guichen respectively. The ships were extensively rebuilt for the French Navy by La Seyne dockyard with new anti-aircraft-focussed armament and fire-control systems in 1951-54. The ships were decommissioned in 1961-61.
General characteristics as rebuilt
- Machinery - unchanged
- 6 – 105 mm guns (three twin turrets of German origin)
- 10 – 57 mm guns (5 twin turrets
- 12 – 550 mm torpedo tubes
- Sensors: Radar DRBV 20 A, DRBV 11, DRBC 11, DRBC 30, Sonar
- Crew: 353
Post-war Italian service
Giulio Germanico and Pompeo Magno served in the post war Marina Militare, being renamed San Marco and San Giorgio respectively. Both ships were extensively rebuilt in 1951-55 and fitted with American weapons and radar. Characteristics included:
- 6 127 mm guns in twin turrets fitted in A, X and Y positions, with anti-aircraft capability
- a Menon Anti submarine mortar fitted in B position
- fitting of 20 40mm Bofors AA guns
- SPS-6 and SG-6B radar, SQS-11 sonar and the Mk37 fire control system for the 5 inch guns
San Marco was further rebuilt as a cadet training ship in 1963-65 when she was fitted with new CODAG machinery. New 76mm guns replaced the 40mm and X 5 inch mounting. San Marco was decommissioned in 1971, San Giorgio following in 1980.
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