In the history of the world submarine fleet there are names of boats that have become legends, overgrown with myths and terrible legends. Submarine K-19 It's not just a number on the Soviet Navy's registry, it's a symbol of courage, tragedy and technological breakthrough, made in the most brutal secrecy, often called "Hiroshima" or "Chernobyl afloat," but behind these dark epithets lies the complex engineering history of the creation of the first Soviet nuclear submarine with ballistic missiles.
The creation of this giant was a response to the American program. Polaris And it required Soviet designers to make revolutionary and sometimes risky decisions, and you should know that this was the project that was the test of technologies that would later become the standard for the entire nuclear fleet, but the cost of these experiments was incredibly high for people trapped in a steel hull deep inside.
In this article, we will discuss the technical features of the 658 project, the chronology of accidents and understand why. K-19 It's still a story that has been of interest to historians and military experts, and it's about how man and machine came face to face with the atomic elements.
Design and construction: an arms race
Development of a submarine K-19 The Soviet Union, which began at the height of the Cold War as it sought to close the strategic arms gap with the United States, was tasked with building a nuclear-armed carrier capable of clandestinely approaching the shores of a potential enemy. Technical specification The boat required the deployment of ballistic missiles, which radically changed the architecture of the boat.
The challenge was to combine a nuclear power plant with a large rocket, and to achieve the power and speed required, it was decided to use a two-reactor circuit, which was innovative but also dangerous, because it required a complex system of pipelines and fittings. It was in the cooling system of the reactors that the main problems that the crew would later have to face were hidden.
Construction was carried out at Severodvinsk plant No. 402 (now "Severmash"), launched in 1959, and in 1961. K-19 It was officially part of the Northern Fleet, the world's first strategic missile submarine (SSBN).
To understand the scale of the project, it is worth considering its main tactical and technical specifications:
| Parameter | Meaning | Note |
|---|---|---|
| Displacement | 4060/5,000 tons | Surface/Underwater |
| Length | 114 meters | Body dimensions |
| Width | 9.2 meters | Maximum width |
| Speed. | 15/26 knots | Surface/Underwater |
| Working depth | 300 meters | Limiting depth |
It is worth noting that the design priority was given to combat qualities, and the reliability and safety of the crew sometimes fell by the wayside. Two-reactor circuit It allowed for high speed, but it created excessive pressure in the cooling systems, which became fatal.
Technical features and weapons
Construction The K-19 was a two-hull scheme, surrounded by a lightweight, streamlined hull, with main ballast tanks in between, providing the necessary buoyancy and safety margin, but making external communications virtually impossible to maintain at sea.
The power plant included two VM-A water reactors, which ran on highly enriched uranium and provided the boat with virtually unlimited autonomy, but the pipeline system that brought water to the reactors was designed using alloys that could lose leakiness under certain conditions.
The main armament was three R-13 ballistic missiles, which were placed in the mines in a solid logging and were designed to destroy strategic targets of the enemy, and later, during the modernization, the boat received R-29 missiles, which significantly increased its combat potential.
It is important to understand the differences in management systems:
- 🚀 Missile complex: Required surfacing or being at periscope depth for launch, making the boat vulnerable.
- ⚓ Torpedo weapons: Six-torpedo nose apparatus caliber 533 mm served for self-defense.
- 📡 Hydroacoustics: Target detection systems were less sophisticated than those of American counterparts at the time.
Engineers had to make trade-offs, for example, to save weight and space, some systems were not fully duplicated. Emergency refrigeration system The reactors, as practice has shown, were one of the weak points, as they did not have a full-fledged reserve.
1961 Accident: Fire and Radiation Test
The most famous and terrible page in the biography The K-19 was an accident on July 4, 1961, near the southern tip of Greenland, where the submarine was performing a training and combat mission, simulating a missile attack on the United States, at which point the cooling system of the left reactor ruptured the pipeline.
The core temperature started to rise rapidly, the emergency protection systems failed to function properly because of the design features, and there was a real threat of nuclear fuel melting and an explosion that could be as powerful as a nuclear strike. Crew He was faced with a choice: to die on his own or to prevent a catastrophe of a planetary scale.
⚠️ Attention: The situation was complicated by the fact that the boat was in the area of patrol of American submarines. The powerful pumps for pumping water created a strong noise, unmasking the boat. The commander, Captain 1st rank Alexander Zateev, decided to take a risk and start the pumps, despite the risk of being detected.
To connect the emergency cooling system, a new pipeline was manually welded right in the raging radiation compartment, and a team led by mechanical engineer Boris Korchilov and senior mechanical engineer Yuri Povstny entered the reactor compartment, and they operated without personal protective equipment, because special suits were missing or unsuitable for such work in a confined space.
Within hours, they had done the work with lethal doses of radiation, the temperature in the reactor was lowered, the nuclear explosion was prevented, but the health consequences of the liquidators were horrific, and many of those in the compartment died within weeks of acute radiation sickness.
How many people died in the accident?
In the first weeks after the accident, 8 crew members died, receiving critical doses of radiation, and in the years that followed, the list of victims of the accident was replenished with several more names.
1967 fire and other incidents
History K-19 The boat, which became notorious, continued to serve despite warnings. On November 15, 1967, during the transition from Severomorsk to the Pacific Fleet, a fire broke out in the battery compartment.
The fire was caused by a switching spark that ignited hydrogen vapor from the batteries, and the fire engulfed several compartments, making the boat in a stormy sea and making it difficult to surface to vent.
Fire control was conducted in smoke and heat, mechanisms failed, communication was interrupted. Command. So they decided to flood the bays to bring down the flames, but it led to the boat's roll, and miraculously managed to level the boat and put out the fire, but 30 sailors died from carbon monoxide and burns.
After this incident, the boat underwent extensive repairs and upgrades, replaced reactors, improved fire extinguishing systems, but the curse continued to haunt the boat, and in 1969, a collision with an American submarine occurred. USS GatoIn 1972, another fire killed two sailors.
Statistics of accidents K-19 looks depressing:
- 🔥 1961: Reactor accident, 8 people killed (in the first weeks)
- 🔥 1967: Fire in the battery compartment, 30 people died.
- 🔥 1972: Fire in the turbine bay, 2 people killed.
- 🔥 1969: U. S. Navy strike, no casualties.
Each of these cases was a lesson for designers and the Navy. K-19It improved the safety of subsequent nuclear submarine projects, but the cost of those lessons was borne out by the lives of Soviet sailors.
Upgrading and decommissioning
Despite a string of accidents, K-19 It was transferred to the Pacific Fleet in 1972 and then returned to the North after another modernization, a modernization project that included replacing the missile system with a more modern one. P-29This required significant changes in the design of the cabin.
The boat was in service until the mid-1980s, when the hull and machinery were almost exhausted, frequent repairs and accidents made further operation economically inefficient and dangerous. The K-19 was withdrawn from the fleet.
The issue of disposal has long been a concern, and the radioactive waste accumulated over the years of service has required a special approach, and it was only in 2002 that, with the participation of international organizations and funds allocated by the United States (which is symbolic, given the history of the confrontation), that disposal began.
The recycling process took several years, the hull was cut, the radioactive elements were preserved, and today, the legendary boat is left with only museum exhibits and memories.
Interesting fact: Part of the K-19 felling was preserved and installed as a monument in the village of Snezhnogorsk, Murmansk region.
Heritage and cultural footprint
Submarine The K-19 left a deep mark not only in military history but also in culture, and the feat of the crew in 1961 was long suppressed, but during the years of perestroika the truth came out, and the names of Captain Zateev and his men became known around the world.
In 2002, the feature film K-19: Widows Island starring Harrison Ford was released, and although the film was criticized for some historical inaccuracies and Hollywood pathos, it drew global attention to the tragedy of Soviet submariners.
Veterans-submarines are often called K-19 is a symbol of resilience: "We are not heroes, we were just doing our duty," the survivors said, so modestly, of their actions in the reactor bay, their courage prevented an environmental disaster that could have rendered the northern seas uninhabitable for years to come.
Today. K-19 It's a model of extreme environments that is studied in naval academies, and it reminds us that technology is not forgiving of mistakes, and that human error is critical even in the age of high technology.
The K-19 was a symbol of the courage of the crew who managed to prevent a nuclear catastrophe at the cost of their own health and lives.
Frequently Asked Questions (FAQ)
Is it true that K-19 was called Hiroshima?
Yes, it is true, because the boat was nicknamed because of its high accident rate and the risk of a nuclear explosion that could lead to a catastrophe comparable in consequences to an atomic bomb.
How many people died on board the K-19?
During all the years of service on the submarine, 39 people died, most of the victims were in the accident in 1961 (radiation sickness) and the fire in 1967 (carbon monoxide and burns).
Where is the K-19 submarine now?
The boat was disposed of between 2002 and 2006 at the Sevmash plant in Severodvinsk, and only some elements that have become museum exhibits have survived.
Who was the commander at the time of the 1961 crash?
The boat's commander at that time was Captain 1st Rank Nikolai Vladimirovich Zateev, and it was his decisive actions that prevented the explosion of the reactor.
Have there been similar accidents on other submarines?
Yes, the history of the nuclear fleet knows other incidents (for example, K-27, K-129, K-219), but the accident on the K-19 was the world’s first accident on a nuclear submarine of this scale.