Kursk (2018) Timeline Explained – Every Event in Order

Captain Gennady Shirokov dismissed weapons officer Pavel Sonin's urgent warning about the hydrogen peroxide torpedo leak because he underestimated the severity of the situation. The captain's decision was likely influenced by confidence in the submarine's systems and a desire to proceed with the exercise without interruption. This critical failure to act on the warning directly led to the catastrophic torpedo explosion that killed the weapons room crew and triggered the sinking.

Foreshadowing: Earlier in the exercise, the crew was conducting drills under high pressure to perform well, which may have contributed to the captain's reluctance to pause the mission.

• sonin
• torpedo warning
• captain shirokov
• hydrogen peroxide
• kursk explosion

The disaster was caused by a hydrogen peroxide (HTP) torpedo leak in the torpedo room. Weapons officer Pavel Sonin detected that the interior temperature of the torpedo was rising rapidly, indicating a dangerous leak. When the torpedo detonated prematurely, it killed the weapons room crew instantly. A second explosion then ruptured the submarine's forward hull, creating a massive breach that allowed seawater to flood the vessel, causing it to sink to the Barents Sea floor.

Foreshadowing: The rapid temperature increase in the torpedo was the first warning sign of the catastrophic failure to come.

• kursk explosion
• torpedo
• hydrogen peroxide
• hull breach
• sinking

The Russian rescue attempts failed primarily due to technical problems with their outdated rescue submersible. The craft's seal was unreliable and could not properly attach to Kursk's hull. After a grueling struggle, the Russian rescue craft was forced to surface, needing a 12-hour battery recharge before another attempt could be made. This delay proved fatal as time ran out for the trapped crew.

Foreshadowing: Admiral Grudzinsky initially believed there were no survivors, which may have contributed to delays in mounting an effective rescue operation.

• rescue attempt
• submersible
• hull seal
• russian navy
• failure

Russia initially refused offers of foreign assistance from Britain and Norway because they feared exposing naval secrets. The Russian authorities were concerned that allowing foreign divers and submersibles near the Kursk would reveal classified technology and operational details of their submarine fleet. Pride and secrecy overridden practical concerns, causing critical delays in the rescue operation.

Foreshadowing: The Russian Navy's insistence on using their own outdated equipment despite clear signs of failure reflected their resistance to external involvement.

• foreign assistance
• russia
• navy secrets
• britain
• norway
• rescue

As the crew's oxygen supply dwindled, two sailors swam into a flooded compartment to retrieve oxygen cartridges. During the operation, one crew member accidentally knocked an oxygen cartridge into the water, triggering a flash fire that rapidly consumed the remaining breathable air. This catastrophic accident eliminated the last reserves of air aboard the submarine, effectively sealing the crew's fate.

Foreshadowing: The desperate attempt to obtain oxygen reflected the crew's increasingly dire circumstances as air became the most precious resource.

• oxygen cartridge
• flash fire
• air supply
• kursk crew
• accident

By the time British Commodore David Russell's divers finally reached the Kursk, the hull was completely flooded and all compartments were submerged. The crew had already perished from the flash fire that consumed their remaining oxygen. The combination of failed Russian rescue attempts, the 12-hour battery recharge delay, and bureaucratic resistance to foreign help meant the rescue came too late.

Foreshadowing: The repeated rescue failures and the clock ticking down reflected the broader institutional failures that plagued the entire operation.

• russell divers
• kursk rescue
• too late
• crew death

In their final moments, the crew attempted to boost morale by creating a makeshift "breakfast buffet" aboard the submarine, showcasing their camaraderie despite extreme danger. When the flash fire consumed their remaining oxygen, the crew sang together a haunting rendition of a sailor hymn, marking their last moments with collective strength and dignity.

Foreshadowing: The breakfast scene demonstrated the crew's resilience and unity even as they faced impossible odds.

• final moments
• breakfast buffet
• sailor hymn
• singing
• crew

At the funeral, Misha Averin, the young son of one of the sailors, refused to shake Admiral Vladimir Petrenko's hand. This act symbolized the deep resentment felt by the families toward the Russian naval authorities who had failed to rescue their loved ones and had obstructed foreign assistance. The gesture represented the personal cost of institutional incompetence and the anger of those left behind.

Foreshadowing: Throughout the crisis, the families had fought desperately for information and action from the authorities, building resentment that culminated in this defiant moment.

• misha
• admiral petrenko
• funeral
• refusal
• handshake
• families

A land-based crew member gave Misha his father's maritime watch, a cherished family heirloom. The watch had been sold earlier to fund a celebration for Pavel Sonin's wedding, revealing the personal sacrifices and human stories behind the crew. The watch became a poignant link between generations, symbolizing the father's memory and the continuing impact of the tragedy on the family left behind.

Foreshadowing: The wedding celebration for Sonin, who survived the initial explosion but was among those trapped, adds a layer of bittersweet irony to the watch's history.

• watch
• misha
• maritime watch
• father
• sold
• wedding
• sonin

The initial torpedo explosion killed the entire weapons room crew outright. However, several dozen sailors survived in the aft compartments of the submarine. These survivors gathered in the aft-most section, bracing against flooding water and dwindling oxygen while awaiting rescue that ultimately never arrived in time.

Foreshadowing: The survivors' hope of rescue sustained them through hours of increasingly desperate conditions aboard the sinking vessel.

• survivors
• crew deaths
• torpedo room
• aft compartments
• kursk