Minerve was built at the Arsenal de Cherbourg, laid down on 17 August 1931, launched on 23 October 1934, and commissioned on 15 September 1936[1] into the 2e Escadrille des Sous-Marins ("2nd Submarine Squadron") for service in the Atlantic.[2]
In August 1939 she was based at Oran, and was detached in November 1939 to carry out surveillance around the Canary Islands.[2] Between February and May 1940 Minerve acted as an escort to seven convoys between Gibraltar and Liverpool.[3]
When the Germans invaded France on 10 May 1940 she was laid up undergoing maintenance,[2] so on 18 June 1940 Minerve, under the command of Lieutenant de Vaisseau Bazin[4] left Brest towed by the tugboat Zeelew. She was accompanied by her sister ship Junon towed by the Nessus, and escorted by the patrol vessels Pessac and Sauternes. Off Ushant, they were joined by the destroyer, and arrived at Plymouth on the 20th.[5]
On 3 July 1940 Minerve (along with all other French naval vessels in British ports) was boarded by Royal Navy troops as part of Operation Catapult, and the crew interned.[4]
Minerve was transferred to the control of the Free French Naval Forces in September 1940, and renumbered P26.[1] She was recommissioned in January 1941[2] under the command of Lieutenant de Vaisseau Pierre Sonneville[6] and while based at Dundee carried out patrols around the coast of Scotland, in the North Sea, and the Atlantic.[2]
On 19 April 1941 Minerve attacked the Norwegian oil tanker Tiger off Egersund, Norway. Both torpedoes missed, and the submarine sustained some damage from depth charges dropped by escorting German destroyers, but managed to escape.[1] In April 1942, she was part of the covering force escorting Convoy PQ 15 to Murmansk.[2]
From October 1942 Minerve was under the command of Capitaine de Corvette Henri Simon-Dubuisson.[7]
On 10 October 1943, while on a patrol of the Western Approaches from Plymouth,[4] Minerve surfaced to carry out repairs on a diesel engine while about 300 nautical miles west of Brest. She was attacked in error by a RAF Coastal Command B-24 Liberator with rockets.[1] Two crewmen were killed and two wounded, and the submarine's hull was badly damaged, but she managed to return to Britain[4] escorted by the destroyer .[1]
On 19 September 1945, Minerve was being towed to France, but broke free in heavy weather and was wrecked on Portland Bill.[1] [8]