Redoutable was the lead ship of the Redoutable-class submarines of the French Navy launched in 1928 at Cherbourg, France. It participated in the Second World War, first on the side of the Allies from 1939 to 1940, then on the side of the Axis for the rest of the war. She was scuttled by the French on 27 November 1942 to prevent her capture by the Germans during their advance on Toulon, but was then refloated by the Italians in 1943. On 11 March 1944 she was sunk by bombs from Allied aircraft.
Ajax was a Redoutable-class submarine of the French Navy launched in 1930 at Brest, France. It participated in the Second World War, first on the side of the Allies from 1939 to 1940 then on the side of the Axis for the rest of the war. On 23 September 1940, during the Battle of Dakar she was badly damaged by depth charges from HMS Fortune and was then scuttled.
The Saphir-class submarines were a class of six submarines built in France between 1926 and 1935 for the French Navy. Most saw action during World War II for the Vichy French Navy or the Free French Naval Forces. Three were captured by Italian forces but not used.
The French submarine Caïman was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in August 1924, it was launched in March 1927 and commissioned in February 1928. On 9 June, Caïman narrowly missed the British light cruiser HMS Ajax off Syria. It was scuttled at Toulon on 27 November 1942 to prevent her capture by the Germans, then raised in February 1943. It was sunk again on 11 March 1944 by Allied aircraft.
The French submarine Dauphin was a Reqin -class submarine built for the French Navy in the mid-1920s. Laid down in December 1922, it was launched in April 1925 and commissioned in November 1927. It was captured by Italian forces on 8 December 1942 and renamed FR 115. It was later recaptured by the Germans on 9 September 1943, then scuttled on 15 September 1943. The name Dauphin comes from the French word for Dolphin.
The French submarine Espadon was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in October 1923, it was launched in May 1926 and commissioned in December 1927. It was disarmed at Bizerte, Tunisia in April 1941 and captured there by Italian forces on 8 December 1942 and renamed FR 114. It was scuttled by the Italians at the Castellamare shipyard on 13 September 1943, then raised by the Germans in 1943 but not repaired.
The French submarine Marsouin was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in November 1922, it was launched in December 1924 and commissioned in September 1927. It escaped from Toulon on 27 November 1942 and joined the Free French Naval Forces; it was later disarmed at Oran in April 1944, and stricken on 28 February 1946.
The French submarine Narval was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in March 1923, it was launched in May 1925 and commissioned in July 1926. It joined the Free French naval forces at Malta at the time of the French surrender during World War II. On or around 15 December 1940, Narval sank after striking a mine in the same minefield off the Kerkennah Islands that sank her sister ship Morse six months prior.
Phoque was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in May 1924, it was launched in March 1926 and commissioned in May 1928. In April 1941, it was disarmed at Bizerte, Tunisia and captured there by the Italians on 8 December 1942 and renamed FR 111. It was sunk on 28 February 1943 10 miles off Murro di Porco, Sicily by Allied aircraft.
The French submarine Requin was the lead ship of the Requin-class submarines built for the French Navy in the mid-1920s. Laid down in June 1922, it was launched in July 1924 and commissioned in May 1926. It was captured by Italian forces at Bizerte, Tunisia on 8 December 1942 and renamed FR 113. On 9 September 1943, it was recaptured by German forces. It was sold for scrap in Genes, Italy in 1944.
The French submarine Souffleur was a Requin-class submarine built for the French Navy in the mid-1920s. Laid down in October 1922, it was launched two years later and commissioned in August 1926. Souffleur was torpedoed and sunk on 25 June 1941 off Beyrut, Lebanon in position 33°49′N35°26′E by the British submarine HMS Parthian.
The French submarine Diamant was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in July 1930, it was launched in May 1933 and commissioned in June 1934. Diamant was scuttled at Toulon on 27 November 1942 to prevent her capture by German forces, then refloated by Italian forces on 29 March 1943. On 22 June 1944, Diamant was bombed and sunk at Toulon by Allied aircraft.
The French submarine Nautilus was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in August 1927, it was launched in March 1930 and commissioned in July 1931. Nautilus was disarmed at Bizerte, Tunisia and captured there on 8 December 1942 by Italian forces. On 31 January 1943, it was sunk at Bizerte during an Allied air raid. Nautilus was raised but not repaired and finally stricken on 12 August 1947.
The French submarine Saphir was the lead ship of the Saphir-class submarines built for the French Navy in the mid-1930s. Laid down in May 1926, it was launched in December 1928 and commissioned in September 1930. Saphir was disarmed at Bizerte, Tunisia and renamed FR 112 after being captured there by Italian forces on 8 December 1942. Saphir was seized and scuttled by German forces at Naples, Italy on 15 September 1943.
The French submarine Turquoise was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in October 1926, it was launched in May 1929 and commissioned in September 1930. Turquoise was disarmed at Bizerte, Tunisia and renamed FR 116 after being captured there by Italian forces on 8 December 1942. Turquoise was recaptured and scuttled by German forces at Naples, Italy on 8 May 1943.
Henri Poincaré was a French Navy Redoutable-class submarine of the M6 series commissioned in 1931. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until she was scuttled at Toulon in November 1942. The Italians seized her, refloated her, and renamed her FR 118, then scuttled her in September 1943. The Germans later scrapped her wreck.
Pascal was a French Navy Redoutable-class submarine of the M6 series commissioned in 1931. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until she was scuttled at Toulon in November 1942. She was never again seaworthy, but the Italians seized her and refloated her, and the Germans later took control of her. She was sunk in March 1944.
Fresnel was a French Navy Redoutable-class submarine of the M6 series commissioned in 1932. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until she was scuttled at Toulon in November 1942. She was never again seaworthy, but the Italians seized her and refloated her, and the Germans later took control of her. She was sunk in March 1944.
Achéron was a French Navy Redoutable-class submarine of the M6 series commissioned in 1932. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France. She was scuttled in November 1942.
Le Conquérant was a French Navy Redoutable-class submarine of the M6 series commissioned in 1936. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France. She was sunk in November 1942.
