Italian submarine Argo
Argo-class submarine (Argo)
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| Class overview | |
|---|---|
| Builders: | Cantieri Riuniti dell'Adriatico |
| Operators: |
 Regia Marina
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| Built: | 1936 |
| In commission: | 1937–1943 |
| Completed: | 2 |
| Lost: | 1 |
| Scrapped: | 1 |
| Preserved: | 0 |
| General characteristics | |
| Type: | Submarine |
| Displacement: |
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| Length: | 207 ft (63 m) |
| Beam: | 23 ft (7.0 m) |
| Draught: | 13 ft (4.0 m) |
| Propulsion: |
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| Speed: | |
| Complement: | 55 |
| Armament: |
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| Notes: | |
The Argo-class was a class of two coastal submarines built by Cantieri Riuniti dell'Adriatico in Monfalcone for Portugal but operated by the Royal Italian Navy (Italian: Regia Marina) after Portugal was unable to pay construction costs. The submarines were built in 1936, and both served in the Mediterranean Sea at the start of the Second World War. The boats were transferred to the BETASOM German submarine base at Bordeaux in 1940, but returned to the Mediterranean in 1941, where both were sunk within a few days of the September 1943 Italian armistice.
Argo (pennant number AO) was launched 24 November 1936 and completed on 31 August 1937. Argo completed two unsuccessful wartime patrols in the Mediterranean before passing the Strait of Gibraltar on 8 October 1940 for an Atlantic patrol to Bordeaux on 24 October. During its first BETASOM patrol, Argo damaged convoy HG 47 escort HMCS Saguenay on 1 December and sank a freighter from convoy OB 252 on 5 December 1940. First Lieutenant Alessandro De Angelis was lost overboard and drowned in heavy seas as Argo was returning to port. The second and third BETASOM patrols from 27 February to 28 March and from 19 May to 12 June 1941 were unsuccessful. Argo left France on 11 October, passed the Strait of Gibraltar on 20 October, and reached Cagliari on 24 October 1941. After refit, Argo patrolled off Cape Ferrat from 6 to 21 April and off Cap Caxime (Algeria) from 22 to 29 May 1942, where it sustained damage from aerial attacks requiring another period of repairs. After patrolling off the Balearic Islands from the 15 to 26 October and off the island of Galite (Tunisia) from the 29 to 30 October, Argo entered the Bay of Bougie on 11 November 1942 to torpedo the anti-aircraft ship HMS Tynwald and the troopship Awatea, which had been damaged by aerial bombing during Operation Torch. Argo then patrolled off the north African coast from 17 December to 8 January 1943, and during February, April and June. After two patrols off Sicily in July, Argo was refitting at Monfalcone until the armistice of September 8, 1943. Argo was scuttled when German troops captured the shipyard on 10 September. The Germans salvaged her, but scuttled her at Monfalcone, Friuli-Venezia Giulia, Italy, on 1 May 1945.
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