HMS Vanguard and Le Triomphant submarine collision 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 to the UK Ministry of Defence, moving "at very low speed"; both are equipped with active and passive sonar, although only the latter is used on an operational patrol. HMS "Vanguard" was on a routine patrol in the Eastern
French submarine Minerve (S647) the missing submarine mobilizing numerous ships, including the aircraft carrier and the submersible "SP-350 Denise" under the supervision of Jacques Cousteau, but found nothing and the operation was called off on 2 February. However, the search for "Minerve", under the name "Operation Reminer" continued into 1969 and utilized the submersible "Archimède" with the U.S. survey ship . To this day no trace of the vessel has been found. French submarine Minerve (S647) Minerve was a diesel–electric submarine in the French Navy. The vessel was one of nine of the . In January 1968, "Minerve" was lost with all hands while