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 Espadon (S637) French submarine Espadon (S637) Espadon was a "Narval"-class submarine of the French Navy. Along with sister boat "Marsouin", the boat was the first French submarine to steam under sea ice. The boat is currently a museum ship. "Espadon" was commissioned in 1960. In 1961, as she served as a target for mock torpedo exercises, "Espadon" was hit by two inert torpedoes, damaging her propeller. She nevertheless managed to surface, but had to be towed to Toulon. In September of the same year, while cruising underwater, "Espadon" collided with the submarine "Laubie", sustaining extensive damage to her bow and to the