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
Type 930 submarine rescue ship Type 930 submarine rescue ship The Type 930 submarine rescue ship (NATO reporting name Hudong (沪东) class) is a type of submarine rescue ship developed by China for the People's Liberation Army Navy (PLAN). Only a single ship was built and remains in active service with the PLAN. The Type 930 is one of the two direct results of a submarine accident that occurred in 1959 during a naval exercise in which a PLAN submarine collided with a frigate when surfacing, causing the submarine to sink. Because there was no available rescue ship, the sunken sub attempted to swim to