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 Narval (1925) "Narval" returned to Bizerte. At the time of signing the French surrender, the ship was on patrol, and its commander ignored the order on 17 June stop visiting the British ports, and sailed to Malta. She entered the Free French Naval Forces. On 15 December 1940, "Narval" blew up on a mine in the same minefield off the Kerkennah Islands that sank her sister ship "Morse" six months earlier. French submarine Narval (1925) 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