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 Brumaire and six externally. "Brumaire" was named for a month of the French Revolutionary calendar. "Brumaire" was in service during the First World War and saw action throughout on patrol and close blockade duty. She remained on active duty at the end of hostilities, when many of her class were de-commissioned. "Brumaire" was stricken and disarmed in 1928, and scrapped in 1930. French submarine Brumaire French submarine "Brumaire" (Q60) was a Laubeuf type submarine built for the French Navy prior to World War I. She was the name ship of her class. "Brumaire" was ordered by the French Navy as part