HMS Vanguard and Le Triomphant submarine collision across the seabed". However, a government spokesman said that there "was no compromise to nuclear safety". Hervé Morin, France's Minister of Defence, said that they "face an extremely simple technological problem, which is that these submarines are not detectable". HMS Vanguard and Le Triomphant submarine collision The submarines HMS "Vanguard" and "Triomphant" collided in the Atlantic Ocean in the night between 3–4 February 2009. Both are nuclear-powered ballistic missile submarines. The Royal Navy's and the French Navy's both sustained damage, but no injuries or radioactivity releases were reported. At the time of the collision, both vessels were submerged and, according
French submarine Ondine (1931) French submarine Ondine (1931) The French submarine "Ondine" was a submarine built for the French Navy between 1928 and 1931. Ordered in December 1927, it was laid down in August 1929, launched in May 1931 and commissioned in July 1932. On 3 July 1940, it was seized by the British while in Portsmouth. "Ondine" was stricken in April 1943 and dismantled for spare parts. long, with a beam of and a draught of , "Orion"-class submarines could dive up to . The submarine had a surfaced displacement of and a submerged displacement of . Propulsion while surfaced was provided by