Soviet submarine K-19

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Soviet Union
Name: K-19
Laid down: 17 October 1958
Launched: 8 April 1959
Completed: 12 November 1960
Commissioned: 30 April 1961
Decommissioned: 19 April 1990
Nickname(s): Hiroshima
Fate: Recycled at Naval Yard 85 Nerpa.
General characteristics
Class & type: Hotel-class submarine
  • 4,030 long tons (4,095 t) (surfaced)
  • 5,000 long tons (5,080 t) (submerged)
Length: 114 m (374 ft 0 in)
Beam: 9.2 m (30 ft 2 in)
Draft: 7.1 m (23 ft 4 in)
Propulsion: 2 × 70 MW VM-A reactors, 2 geared turbines, 2 shafts, 39,200 shp (29 MW)
  • 15 knots (28 km/h; 17 mph) (surfaced)
  • 26 knots (48 km/h; 30 mph) (submerged)
  • 35,700 mi (57,500 km) at 26 knots (48 km/h; 30 mph)
  • 32,200 mi (51,800 km) at 24 knots (44 km/h; 28 mph) (80% power)
Endurance: 60 days (limited by food, and physical health)
Test depth:
  • 250 m (820 ft) (test)
  • 300 m (980 ft) (design)
Complement: 125 officers and men
  • 3 × R-13 nuclear SRBM (650 km range) as a Hotel I
  • 3 × R-21 nuclear MRBM (1300 km range) as a Hotel II
  • 4 × 21 in (533 mm) torpedo tubes forward
  • 2 × 16 in (406 mm) tubes forward
  • 2 × 16 in (406 mm) tubes aft

K-19 was one of the first two Soviet submarines of the 658 class (NATO reporting name Hotel-class submarine), the first generation nuclear submarine equipped with nuclear ballistic missiles, specifically the R-13 SLBM. The boat was hurriedly built by the Soviets, who were anxious to catch up with the United States' lead in nuclear submarines. Before it was launched, 10 civilian workers and a sailor died due to accidents and fires. After it was commissioned, it was plagued with breakdowns and accidents, several of which threatened to sink the sub.

On its initial voyage on 4 July 1961, it suffered a complete loss of coolant to its reactor. With no backup system, the captain ordered members of the engineering crew to find a solution to avoid a nuclear meltdown. Sacrificing their own lives, the engineering crew jerry-rigged a secondary coolant system and kept the reactor from a meltdown. Twenty-two crew members died from radiation sickness during the following two years. The sub experienced several other accidents, including two fires and a collision. The series of accidents inspired crew members to nickname the sub Hiroshima.

Over its service life, it transited 332,396 miles (534,940 km) during 20,223 operational hours.


In the late 1950s, the leaders of the Soviet Union were determined to catch up with the United States and began to build a nuclear sub fleet, pushing subs through production and testing so rapidly that many Russian naval officers felt that the ships were not fit for combat.[1] The crew aboard the first nuclear submarines of the Soviet fleet was provided with a very high quality standard of food including smoked fish, sausages, fine chocolates and cheeses, unlike the standard fare given the crews of other naval vessels.[2]

Construction deaths

The K19 was ordered by the Soviet Navy on 16 October 1957.[3] Her keel was laid on 17 October 1958 at the naval yard in Severodvinsk. Several workers died building the submarine: two workers were killed when a fire broke out, and later six women gluing rubber lining to a water cistern were killed by fumes.[2] While missiles were being loaded, an electrician was crushed to death by a missile-tube cover, and an engineer fell between two compartments and died.[1]

Gains unlucky reputation

The ship was launched and christened on April 8, 1959.[1] Breaking with tradition, a man—Captain 3rd Rank V. V. Panov of the 5th Urgent Unit—instead of a woman, was chosen to smash the ceremonial champagne bottle across the ship's stern. The bottle failed to break, instead sliding along the screws and bouncing off the rubber-coated hull. This is traditionally viewed among sea crews as a sign that the ship is unlucky.[4] Captain 2nd Rank Nikolai Vladimirovich Zateyev was the first commander of the submarine.[1]

Early problems

In January 1960, confusion among the crew during a watch change led to improper operation of the reactor and a reactor-control rod was bent. The damage required the reactor to be dismantled for repairs. The officers on duty were removed and Captain Panov was demoted.

The submarine's ensign was hoisted for the first time on 12 July 1960. It underwent sea trials from 13 through 17 July 1960 and again from 12 August through 8 November 1960, transiting 17,347 kilometres (10,779 mi). The ship was considered completed on November 12, 1960.[1] After surfacing from a full-power run, the crew discovered that most of the hull's rubber coating had detached, and the entire surface of the boat had to be re-coated.

During a test dive to the maximum depth of 300 m (980 ft), flooding was reported in the reactor compartment, and Captain Zateyev ordered the sub to immediately surface, where it keeled over on its port side due to the water it had taken on. It was later determined that during construction the workers had failed to replace a gasket.[1] In October, 1960, the galley crew disposed of wood from equipment crates through the galley's waste system, clogging it. This led to flooding of the ninth compartment, which filled one third full of water. In December 1960, a loss of coolant caused failure of the main circuit pump. Specialists called from Severodvinsk managed to repair it at sea within a week.

The boat was commissioned on 30 April 1961. The sub had a total of 139 men aboard, including missile men, reactor officers, torpedo men, doctors, cooks, stewards, and several observing officers who were not part of the standard crew.

Nuclear accident

Nikolai Vladimirovich Zateyev, commander of the submarine at the time of the nuclear accident

On 4 July 1961, under the command of Captain First Rank Nikolai Vladimirovich Zateyev, K-19 was conducting exercises in the North Atlantic close to Southern Greenland when it developed a major leak in its reactor coolant system, causing the water pressure in the aft reactor to drop to zero and causing failure of the coolant pumps. A separate accident had disabled the long-range radio system, so they could not contact Moscow. Despite the control rods being inserted via a SCRAM mechanism, the reactor temperature rose uncontrollably due to decay heat from fission products created during normal operation, eventually reaching 800 °C (1,470 °F). The reactor continued to heat up as the required coolant was not available during shutdown because of design shortcomings which did not include a backup cooling system.

Making a drastic decision, Zateyev ordered the engineering section to fabricate a new coolant system by cutting off an air vent valve and welding a water-supplying pipe into it. This required the men to work in high radiation for extended periods. The accident released radioactive steam containing fission products which were drawn into the ship's ventilation system and spread to other compartments of the ship. The jury-rigged cooling water system successfully reduced the temperature in the reactor.

The incident irradiated the entire crew, most of the ship, and some of the ballistic missiles on board. All seven members of the engineering crew and their divisional officer died of radiation exposure within the next month. Fifteen more sailors died from the after-effects of radiation exposure within the next two years.[5]

Instead of continuing on the mission's planned route, the captain decided to head south to meet diesel submarines expected to be there. Worries about a potential crew mutiny prompted Zateyev to have all small arms thrown overboard except for five pistols distributed to his most trusted officers. A diesel submarine, S-270, picked up K-19's low-power distress transmissions and joined up with it.

American warships nearby had also heard the transmission and offered to help, but Zateyev, afraid of giving away Soviet military secrets to the West, refused and sailed to meet the S-270. He evacuated the crew and had the boat towed to its home base. After its return to port, the vessel contaminated a zone within 700 m (2,300 ft). Over the next two years, repair crews removed and replaced the damaged reactors. The repair process contaminated the nearby environment and the repair crew. The Soviet Navy dumped the original radioactive compartment into the Kara Sea.[6]

According to the government's official explanation of the disaster, the repair crews discovered that the catastrophe had been caused by a faulty welding incident during initial construction. They discovered that during installation of the primary cooling system piping, a welder had failed to cover exposed pipe surfaces with asbestos drop cloths (required to protect piping systems from accidental exposure to welding sparks), due to the cramped working space. A drop from a welding electrode fell on an unprotected surface, producing an invisible crack. This crack was subject to prolonged and intensive pressure (over 200 atmospheres), compromising the pipe's integrity and finally causing it to fail.[7]

Others disputed this conclusion. Retired Rear-Admiral Nikolai Mormul asserted that when the reactor was first started ashore, the construction crew had not attached a pressure gauge to the primary cooling circuit. Before anyone realized there was a problem, the cooling pipes were subjected to a pressure of 400 atmospheres, double the acceptable limit. K-19 returned to the fleet with the nickname "Hiroshima".[7]

On 1 February 2006, former President of the Soviet Union Mikhail Gorbachev proposed in a letter to the Norwegian Nobel Committee that the crew of K-19 be nominated for a Nobel Peace Prize for their actions on 4 July 1961.[8]

Deceased crew members

Several crew members received fatal doses of radiation during repairs on the reserve coolant system of Reactor #8. All of them died between one and three weeks after the accident from severe radiation sickness. A person who receives a dose of 4 to 5 Sv (about 400-500 rem) has a 50% chance of dying.[A 1]

Name Rank Dose of radiation Date of death
Korchilov, BorisBoris Korchilov Lieutenant 54 Sv (Sievert)[A 2] = 5400 rem [A 3] 10 July 1961
Ryzhikov, BorisBoris Ryzhikov Chief Starshina 8.6 Sv = 720 röntgen 25 July 1961
Ordochkin, YuriyYuriy Ordochkin Starshina, 1st class 11 Sv = 990 röntgen 10 July 1961
Kashenkov, EvgenyEvgeny Kashenkov Starshina, 2nd class 10 Sv = 845 röntgen 10 July 1961
Penkov, SemyonSemyon Penkov Seaman 10 Sv = 890 röntgen 18 July 1961
Savkin, NicolaiNicolai Savkin Seaman 11 Sv = 930 röntgen 13 July 1961
Charitonov, ValeryValery Charitonov Seaman 11 Sv = 935 röntgen 15 July 1961
Povstyev, YuriyYuriy Povstyev Captain Lieutenant,
Commander of the division of movement
7.5 Sv = 629 röntgen 22 July 1961
  1. United States Nuclear Regulatory Commission "Lethal Dose" definition
  2. Convert from Roentgen (R) to rad or from Roentgen (R) to rem?
  3. СУБМАРИНА, СБЕРЕГШАЯ МИР TPYд. 21 November 2002. (Russian)

Many other crew members also received doses of radiation exceeding permissible levels. They underwent medical treatment during the following year. The treatment was devised by Professor Z. Volynskiy and included bone marrow transplantation and blood transfusion. It saved, among others, Chief Lieutenant Mikhail Krasichkov and Captain 3rd class Vladimir Yenin, who had received doses of radiation that were otherwise considered deadly. For reasons of secrecy the official diagnosis was not "radiation sickness" but "astheno-vegetative syndrome". This deliberate misdiagnosis meant that the surviving crew members had problems in obtaining future employment.[9]

Crew members decorated

On 6 August 1961, 26 members of the crew were decorated for courage and valor shown during the accident.

Link to Cuban Missile Crisis

During the nuclear accident, Soviet naval officer Vasiliy Arkhipov was the executive officer aboard K-19. On October 27, 1962, Arkhipov had been executive officer aboard the diesel-powered, nuclear-armed Soviet Foxtrot-class submarine B-59 during the Cuban Missile Crisis. The submarine was patrolling the blockade line when the US Navy dropped a series of "signaling depth charges" (practice depth charges the size of hand grenades[10]). Unknown to the United States, the sub was armed with nuclear-tipped torpedoes and was given standing orders that gave the sub's officers the authority to fire a torpedo at enemy ships if the submarine hull was "hulled" (a hole in the hull from depth charges or surface fire).[11] The sub was not in contact with Soviet headquarters and did not know if war had broken out. The decision to launch a nuclear torpedo required agreement from three individuals: the boat's captain, the executive officer, and the political officer. Arkhipov refused to consent to the launch of a nuclear torpedo, possibly averting a nuclear war.[10] Thomas Blanton, Director of the National Security Archive at the time, said in 2002 that "a guy called Vasili Arkhipov saved the world."[12]

Later operational history

On 14 December 1961, the boat was fully upgraded to the Hotel II (658м) variant, which included upgrading to R-21 missiles, which had twice the effective range of the earlier missiles.


At 07:13 on 15 November 1969, K-19 collided with the attack submarine USS Gato in the Barents Sea at a depth of 60 m (200 ft). It was able to surface using an emergency main ballast tank blow. The impact completely destroyed the bow sonar systems and mangled the covers of the forward torpedo tubes. K-19 was able to return to port where she was repaired and returned to the fleet. The USS Gato was relatively undamaged and continued her patrol.[13]


On 24 February 1972, a fire broke out while the submarine was at a depth of 120 m (390 ft), some 1,300 km (700 nmi; 810 mi) from Newfoundland, in Canada. The boat surfaced and the crew was evacuated to surface warships except for 12 men trapped in the aft torpedo room. Towing was delayed by a gale, and rescuers could not reach the aft torpedo room because of conditions in the engine room. The fire killed 28 sailors aboard the K-19 and two others who died after they were transferred to rescue ships. Investigators determined that the fire was caused by hydraulic fluid leak onto a hot filter.

The boat was finally towed to Severomorsk on 4 April, and the men were rescued after surviving 24 days in the lightless, heatless torpedo room.[citation needed] The rescue operation lasted more than 40 days and involved over 30 ships. From 15 June through 5 November 1972, K-19 was repaired and put back into service.

On 15 November 1972, another fire broke out in compartment 6, but it was put out by the chemical fire-extinguisher system and there were no casualties.

Later history

On 25 July 1977, the K19 was reclassified as a Large Submarine, and on 26 July 1979, she was reclassified as a communications submarine and given the symbol KS-19 (КС-19). On 15 August 1982, an electrical short circuit resulted in severe burns to two sailors, and sailor V. A. Kravchuk died five days later.

On 28 November 1985, the ship was upgraded to the 658s (658с) variant.


On 19 April 1990 the submarine was decommissioned, and was transferred in 1994 to the naval repair yard at Polyarny. In March 2002, it was towed to the Nerpa Shipyard, Snezhnogorsk, Murmansk, to be scrapped.

In August 2003, the crew visited the boat in the Polyarny shipyard for the last time. It was announced in October 2003 that scrapping would start soon. Only the sail was saved to be used as a burial site for fallen crew members.[citation needed] Due to the large number of accidents during its construction and service life, it gained the unofficial nickname "Hiroshima" among naval sailors and officers.[14]

In 2006, a section of K-19 was purchased by Vladimir Romanov, who once served on the sub as a conscript, with the intention of "Turning it into a Moscow-based meeting place to build links between submarine veterans from Russia and other countries." So far, the plans remain on hold, and many of K-19's survivors have objected to them.[15]

Popular culture

The movie K-19: The Widowmaker (2002), starring Harrison Ford and Liam Neeson, is based on the story of the K-19's first disaster.[16] The production company attempted in March 2002 to secure access to the boat as a set for its production, but the Russian Navy declined. The nickname "The Widowmaker" referred to by the movie was fiction. The submarine did not gain a nickname until the nuclear accident on 4 July 1961, when she was called "Hiroshima".[2]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 "1958-60: The Construction of K-19". K-19: The History. National Geographic. Retrieved 28 May 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. 2.0 2.1 2.2 Bivens, Matt (January 3, 1994). "Horror of Soviet Nuclear Sub 61' Tragedy Retold". The Los Angeles Times. Retrieved 22 September 2012.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Historical overview (Russian)
  4. McNamara, Robert. "Ships, Champagne, and Superstition". Retrieved 26 May 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. "Epilogue: Tragedy Upon Tragedy". K-19: The History. National Geographic. Retrieved May 5, 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. Polmar, Norman (2003). Cold War Submarines. The Design and Construction of U.S. and Soviet Submarines. Potomac Books, Inc. p. 112. ISBN 1-57488-530-8.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. 7.0 7.1 "K19 Widowmaker - A Nuclear Accident". Retrieved 24 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. " Оружие: К-19 – достойная награда спустя 45 лет (Weapon: K-19 – distinguished award after 45 years)" (in русский). 2003-09-13. Retrieved 2011-05-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. Bos, Carole. "K19 Widowmaker - SECRET HEROES". Retrieved 24 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  10. 10.0 10.1 "The Submarines of October". George Washington University, National Security Archive. Retrieved May 1, 2010.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  11. "The Cuban Missile Crisis, 1962: Press Release, 11 October 2002, 5:00 pm". George Washington University, National Security Archive. October 11, 2002. Retrieved October 26, 2008.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  12. Lloyd, Marion (13 October 2002). "Soviets Close to Using A-Bomb in 1962 Crisis, Forum is Told". Boston Globe. pp. A20. Retrieved 7 August 2012.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  13. Miller, David (2006). Submarine disasters. Guilford, Conn.: Lyons Press. p. 65. ISBN 978-1592288151. Retrieved 17 July 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  14. «Own truth» (September 2003) (Russian)
  15. Haggerty, Anthony (20 July 2006). "Jambos chief Vlad splashes out on sub". The Daily Record. Archived from the original on 23 May 2007.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  16. Soviet submarine K-19 on IMDb

External links