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 Junon (1935) Jean Dischamps to serve at the sonar training school at Brest, and in ASW exercises from Toulon. "Junon" was eventually decommissioned on 6 December 1954, and scrapped in 1960. French submarine Junon (1935) "Junon" (Q186) was a of the French Navy. During World War II she served in the Free French Naval Forces. The submarine was laid down at the "Chantiers et Ateliers Augustin Normand" yard at Le Havre on 9 June 1932. She was launched on 15 September 1935, and commissioned on 20 September 1937. Under the command of "Lieutenant de vaisseau" Jaume from August 1939, "Junon" operated from