This is a possible concise summary:
The video is about the sinking of the Russian nuclear submarine Kursk in 2000, which killed all 118 crew members on board. The video explains how the accident happened, how the rescue operation failed, and how the Russian authorities tried to cover up the tragedy. The video also promotes the game World of Warships, which allows players to command historical ships in sea battles.
Here are the key facts extracted from the text:
1. The nuclear submarine K-141 Kursk was one of the most powerful assets of the Russian navy and was designed to destroy NATO aircraft carrier battle groups.
2. In August 2000, Kursk joined the Summer X exercise in the Barents Sea, the first large-scale naval exercise in more than a decade.
3. On August 12, Kursk was tasked with attacking a cruiser with dummy torpedoes, but it never completed the mission and went missing.
4. The submarine sank after two explosions caused by a faulty torpedo that leaked hydrogen peroxide and ignited other torpedoes in the compartment.
5. The explosions killed most of the crew and trapped 23 survivors in the ninth compartment, who died of oxygen deprivation and fire.
6. The Russian navy failed to rescue the sailors and initially refused foreign offers for help, while trying to cover up the accident and blaming it on a NATO collision.
7. The Norwegian divers eventually located and entered the submarine, finding no survivors and a message from one of the sailors.
8. The official report released in 2002 blamed the tragedy on technical malfunction, negligence, incompetence and mismanagement, but no charges were filed.
9. The submarine was raised from the sea floor in 2001 and the bodies of the crew were recovered.