Day of the signalman and specialist of the radio engineering service of the Russian Navy. What kind of holiday is the Day of the Signalman and Specialist of the RTS of the Russian Navy and when is it celebrated? Date and service history

Celebrate their professional holiday signalmen and specialists of the radio engineering service (RTS) of the Russian Navy.

The celebration of RTS Day began in 1996, when by order of the Commander-in-Chief of the Navy Russian Federation established a list of holidays and professional days for the Russian Navy. It is symbolic that the professional holiday in the Navy coincides with Radio Day, which is celebrated in our country by workers in all branches of communications.

The main tasks of the Radio Engineering Service of the Navy include: operation of the situation lighting system, installation, maintenance and operation of radio equipment and apparatus on ships, ships, bases and institutions of the Navy. The service itself is part of the High Command of the Navy.

Improvement and development of communication systems to ensure an effective management process at different levels: from the warhead of the ship and the subdivision on the coast to the control centers of all naval forces - the most important task radio service.

It is difficult to overestimate the role of communication in Armed Forces and, especially, in the navy, where on how quickly and accurately the exchange will be made necessary information depends largely on the success of the task. But the distances between ships can be thousands of miles. The coherence of the actions of any connection is ensured largely due to stable communication and the reliability of the operation of radio equipment.

The importance of the role of communications and radio equipment is also emphasized by the fact that one of the tasks of this and other services of the Navy is to protect their own channels and radio systems and at the same time efforts aimed at disrupting the operation of such systems in a potential enemy.

In order to improve the activities of this service, the Navy regularly conducts meetings and exercises of radio engineering units. Peterhof is home to the highest military educational institution, engaged in the training of specialists in radio electronics for the Navy - Higher Naval School of Radio Electronics. A.S. Popov. This university became the first independent higher military educational institution that trained specialists in communications and radio engineering for the fleet.

On May 7, signalmen and specialists of the radio engineering service (RTS) of the Russian Navy celebrate their professional holiday. First this holiday celebrated in Russia in 1996, after the Commander-in-Chief of the Navy of the Russian Federation established by his order a list of holidays and professional days for the Russian Navy. It is symbolic that the sailors-communicators and specialists of the RTS of the Navy celebrate their holiday on Radio Day, which is celebrated annually on May 7 by workers in all branches of communications.

The beginning of the training of radio specialists for the Russian fleet can be attributed to 1900, in many respects it was associated with the activities of the famous Russian scientist and inventor A. S. Popov. Already in those years, the task of not only mass equipping ships with communications equipment began to appear, but also a natural need arose for training personnel combat use new means of communication, their proper operation and repair. At the direction of the Main Naval Staff of Russia in Kronstadt, the first two-week courses on wireless telegraphy appeared at the Mine officer class. The training program for these courses, which included lectures and practical exercises, was personally compiled by A. S. Popov.


Popov was greatly assisted not only in the production of the first Russian models of radio equipment and equipping warships with them, but also in the training of specialists for the fleet, was provided by the chief commander of the Kronstadt port, Vice Admiral S. O. Makarov. The name of this person is also associated with the improvement of the tactics of using radio communications, as well as the emergence in our country of radio reconnaissance, radio direction finding and radio interception. The Russo-Japanese War of 1904-1905 fully confirmed the need for radio communications in the fleet, showing that one of the reasons for the defeats of the Russian fleet was the lack of a full-fledged organization combat control ships. It is no coincidence that already at the end of 1907 the Regulations on the radiotelegraph part were introduced in the Naval Department, and in 1909 the Communications Service was created in Russia, which was able to effectively ensure the management of the fleet. This was confirmed by the events of the First World War.

At that time telegraphers for Baltic Fleet, the Amur and Siberian fleets were prepared by the Kronstadt Mining School, and for the Black Sea Fleet - by the Sevastopol School. The first independent educational institution in the Russian Navy designed to train radio specialists - the Radio Engineering School was opened in the fall of 1916 on the White Sea. By the time the revolution began, the school had managed to train only 48 radio telegraph operators both for the ships of the Arctic Ocean and for coastal service. In the years civil war in Russia, the training of radio engineering specialists at all levels for the needs of the fleet was almost completely curtailed.

With the end of the civil war and the revival of the navy, now the USSR, the training of ordinary radio communications specialists began again in the country. In 1921-1922 they were trained in the Mine Training Detachment of the Baltic Fleet in Kronstadt, which since 1922 was renamed the Electromine School, as well as in the Second Joint School of the Training Detachment of the Black Sea Fleet, located in Sevastopol. Per progress made and merits in the training of radio specialists for the needs Soviet fleet In 1925, the Kronstadt Electromine School was named after the famous Russian physicist, electrical engineer, inventor Alexander Stepanovich Popov. In 1937, this school ceased to train mine specialists, switching to training exclusively radio specialists of various profiles for all flotillas and fleets. Soviet Union.

Many graduates of this school courageously passed all the trials of the Great Patriotic War, fighting with the enemy in the Baltic and Black Sea fleets, keeping watch on ships that met Allied caravans in the Barents Sea. During the war years, the training center for junior specialists in the radio engineering service became Far East, which was removed from the theater of operations. The School of Communication was established here Pacific Fleet, which was engaged in the training of signalmen for the needs of all operating fleets and flotillas of the Soviet Union.


The main tasks of the radio engineering service of the Navy are the organization and management of the situational illumination system in the fleet and the implementation of measures for its development, the preparation of proposals for the improvement information support processes for managing the forces of the fleet, creating and ensuring the uninterrupted functioning of a unified state system illumination of surface and underwater conditions (EGSONPO). The radio engineering service of the Russian Navy also performs other tasks that are provided for by the regulatory acts of the Russian Federation, decrees and orders of the President of the Russian Federation, directives and orders of the Supreme Commander of the RF Armed Forces, directives and orders of the Minister of Defense of the Russian Federation, directives of the General Staff of the Armed Forces of the Russian Federation, as well as orders and directive instructions of the Chief command of the navy.

The role of communications can hardly be overestimated in modern armed forces, especially in the navy, where the success of the assigned combat mission may very often depend on how accurately and quickly the exchange of necessary information is carried out. At the same time, the distances between ships in the open ocean can be thousands of miles. The coherence of the actions of any formation of warships is largely ensured precisely due to the presence of stable communications and the reliability of the operation of the complex radio equipment installed on modern warships. The special importance of the role of communications and radio equipment in modern world It is also emphasized by the fact that one of the tasks of this and other services of the navy today is to protect their own radio systems and channels from outside influence, as well as simultaneous efforts aimed at disrupting the smooth operation of similar systems from a potential enemy. In order to improve the activities of the radio engineering service of the Russian Navy, it regularly conducts meetings and exercises of existing radio engineering units.

Until 2010, in Peterhof (Leningrad region) there was a higher military educational institution that trained specialists in radio electronics for the needs of the Russian Navy - the Higher Naval School of Radio Electronics named after A. S. Popov. This institution of higher education has become the first independent military university in our country, which trains highly qualified specialists in communications and radio engineering for the Russian fleet. On July 1, 2012, after the merger of the Naval Engineering Institute with the Naval Institute of Radio Electronics named after A. S. Popov, the Naval Polytechnic Institute was formed, the buildings of which are located in Peterhof and Pushkin.

On this day " Military review” congratulates all signalmen and specialists of radio engineering services (RTS) of the Navy of the USSR and Russia. All those who were once associated with these specialties and those who still serve in the Russian Navy today.

Every year on May 7, thousands of Russians celebrate their professional holiday. They are celebrating the Day of the Signalman and Specialist of the Radio Engineering Service of the Russian Navy. On the same day, the country celebrates the Day of the Creation of the Armed Forces of the Russian Federation and the Day of Radio, without which there would be no Signalman's Day.

On May 7 (April 25, Old Style), 1895, Russian physicist Alexander Popov, at a meeting of the Physico-Chemical Society, demonstrated wireless remote registration to the audience electromagnetic oscillations from a lightning discharge on an elementary receiver assembled by him. Over time, this date grew into the USSR, and later in Russia on Radio Day - a professional holiday for workers in all branches of communications and radio engineers. In the USSR, this date was first solemnly celebrated back in 1925, and since 1945, the holiday has been celebrated annually in our country.


Signalmen and specialists of the radio engineering service (RTS) of the Russian Navy also celebrate their professional holiday on May 7. The day of the signalman and specialist of the radio engineering service of the Russian Navy is a fairly young professional holiday, it has been celebrated in our country since 1997. This event appeared in the calendar professional holidays after the Commander-in-Chief of the Navy of the Russian Federation, by his order No. 253 of July 15, 1996, established a list of holidays and professional days for the Russian Navy. It is symbolic that seamen-communicators and specialists of the RTS fleet celebrate their holiday on Radio Day, which equally affects workers in all branches of communications in our country.

Invented by the Russian physicist Popov, the radio was immediately noticed by the Russian fleet. Radio had a revolutionary influence on the development of operational-tactical art, combat control systems and the improvement of communications on ships and in naval units. Popov's invention also formed the basis of a number of important directions modern science and equipment that turned out to be in demand by the fleet and found in the Navy wide application. For example, radio navigation, radar, radio reconnaissance and radio countermeasures against the enemy owe their appearance to radio.

In our country, radio quickly gained authority among the naval command, which took vigorous measures to equip coastal points and ships of the fleet with radio equipment, and trained radio communications specialists. Already in 1900, in Russia, Vice-Admiral P.P. Tyrtov, the head of the naval ministry, issued a special order in which a decision was made to introduce wireless telegraph on combat ships as the main means of communication.

It is curious that initially this type of communication, unconventional for that time, based on electrical phenomena, in the Navy was ranked among the mine business, which was closest to the issues of electrical engineering. That is why initially the selection of specialists for radio communications was carried out exclusively from among the lower ranks and officers of the mine service. Their professional training was first organized in 1900 in the Kronstadt mine classes. In those years, mine officers were most often in charge of radio communications on ships, flagship mine officers in formations, and chief miners of ports on the shore.


In the same 1900, a radio workshop was organized in Kronstadt for the production, repair and improvement, as well as the installation of stations on warships of the Baltic and Black Sea fleets. At that time, these were spark transmitters and receivers, an essential part of which was a single-contact coherer. Further improvement of radio equipment went in the direction of increasing the possibilities of receiving by ear. It should be noted that the day of August 6, 1900, when Vice-Admiral S. O. Makarov, who was the commander of the Kronstadt fortress, approved the staff of the radio workshop and the composition of its equipment, can be safely considered the birthday of the entire domestic radio industry.

Over time, the role of radio and radio engineering services in the navy continuously increased, and naval signalmen and engineers became participants in all wars in which our fleet took part in the 20th century. Today, the main tasks of the Radio Engineering Service of the Russian Navy include: the operation of the situation lighting system, the installation, maintenance and operation of a variety of radio equipment and equipment on warships, ships, bases and institutions of the fleet. At the same time, the radio engineering service itself is today part of the High Command of the Russian Navy.

The development and improvement of communication systems to ensure an effective control process at various levels: from the warhead of a ship or coastal unit to the control centers of the entire Russian Navy - this is a very significant task for the radio technical service of the fleet. Today it is difficult to overestimate the role of communications in the Russian Armed Forces and, especially, in the navy, where the fact that the exchange of the necessary information will be carried out accurately and promptly largely determines the success of the tasks. At the same time, the distance between ships in the ocean can reach thousands of miles. The coherence of the actions of the fleet units is largely ensured by the reliability of the operation of radio equipment and the presence of a stable connection between ships and coastal facilities.

The importance of the role of a variety of radio equipment available today to Russian sailors and communications is emphasized by the fact that one of the tasks of this and other services of the Russian fleet is the protection of their own radio systems and communication channels with simultaneous efforts aimed at disrupting the operation of such communication systems in a potential enemy. In order to improve the activities of the RTS of the Russian fleet in units and subunits of the Navy, exercises and training sessions of radio engineering units are regularly held on the ships of the fleet.

For a long time, specialists in the radio engineering service for the Russian Navy have been trained on the territory Leningrad region. Until 2010, there was a higher military educational institution in Peterhof, which trained specialists in radio engineering for the needs of the Russian fleet - the A. S. Popov Higher Naval School of Radio Electronics. This university has become the first independent institution of higher education in Russia, which trains highly qualified specialists in communications and radio engineering for the country's Navy. On July 1, 2012, after the merger of the Naval Engineering Institute with the Naval Institute of Radio Electronics named after A. S. Popov, the Naval Polytechnic Institute was established, the educational buildings of which are located in Pushkin and Peterhof. Today, it still trains high-class signalmen and RTS specialists for the Russian Navy.

On May 7, Voennoye Obozreniye congratulates all signalmen and specialists of the radio engineering services (RTS) of the Russian Navy, all those who today continue to serve on ships and coastal facilities of the Russian fleet, as well as all those who were once associated with these specialties , especially veterans of the Great Patriotic War, with their professional holiday.

Holidays are constant companions folk life. Holidays for us are an opportunity to bring joy to loved ones! And of course, a holiday is not a calendar concept, it takes place where it is felt, where it is expected. Per last years Much has changed in our lives, but people's craving for holidays remains an important phenomenon for any person.

There are a lot of army celebrations in the domestic calendar. This is explained by the undeniable importance of military affairs for the state, since the army is the defense of the state and the people living in it. One of these holidays falls at the beginning of May, namely the 7th. It is called the Day of the Signalman and Specialist of the Radio Engineering Service of the Navy.


Date and service history

The Day of the Signalman and Specialist of the Radio Engineering Service of the Russian Navy has been around for more than 20 years. It appeared a little over 20 years ago, the impetus for which was the order of the Commander-in-Chief of the Russian Navy. This document established a list of state specialized and simply important military dates for the Russian Navy, and declared May 7 as the Day of the Signalman and RTS Specialist. Interestingly, the honoring of specialists in the military radio engineering direction coincides day by day with that of all those who work in the field of communications, regardless of its specific industry - I mean Radio Day. This is no coincidence, because, in fact, all of them, one way or another, work in the same direction, only they pursue goals and perform different service tasks.


The holiday of May 7, the Day of the Signalman and Specialist of the Radio Engineering Service of the Russian Navy, is a great occasion to look into history.


To train people as radio specialists for the Navy in our country began by and large in 1900. The main contribution to the development of communications as such and a specific industry in particular was made by the famous scientist A.S. Popov. At that time, the army had an urgent need both for means of communication with which it was necessary to equip military ships, and for people capable of skillfully using this technique for military purposes. In this regard, the first training courses started in Kronstadt. They were held at the Mine officer class, the duration of the program was only 14 days. The subject of study was the discipline called wireless telegraphy. The training program consisted of lectures (to give theory) and practical (to consolidate the past) classes. The author of the courses, of course, was the inventor A.S. Popov himself.


However, the scientist did not remain without help from the Navy, and he would hardly have coped. It was provided to the inventor S.O. Makarov, who at that time held the position of chief commander of the Kronstadt port. This man made a contribution to the production of Russian models of radio devices, as well as the installation of this equipment on warships. His merit is also in the training of specialists who were to work with military communications. In addition, it was S.O. Makarov did a lot to hone the skills and tactics of using radio communications to solve military problems. To him Russian army is due to the emergence of such branches of radio communications as radio intelligence, radio interception and radio direction finding.

In the period from 1904 to 1905. our country took part in the famous Russo-Japanese War. The domestic fleet was defeated, and one of the most important reasons Historians call this defeat nothing more than the lack of quality leadership of warships. This event forced specialists to zealously tackle the problem, and at the end of 1907, the Maritime Department acquired new documents - the Regulations on the radiotelegraph part. Two years later, the Communications Service began to function in our state, the main responsibility of which was to ensure full-fledged, organized control over the combat units of the Navy. This unit showed successful results of its work already during the First World War.

Training of RTS specialists

During the described period, the training of telegraph operators for the Navy in almost all regions where the corresponding army bases were located was carried out by the Mining School in Kronstadt. Only signalmen for the Black Sea Fleet were trained by a similar Sevastopol military educational institution. The Radio Engineering School itself opened its doors to future army signalmen in 1916 in the area White Sea. When a revolution broke out in Russia a year later, this institution produced only 48 radiotelegraphers. At the time of the civil war, the training of radio communications specialists ceased almost completely.


She resumed at Soviet power by the 1920s. Then the revival of the Navy began. Specialists were trained again in Kronstadt, only now at the Electromine School, and in Sevastopol. Three years later, the authorities gave the first educational institution the name of the physicist A.S. Popov. After 12 years, the Electromine School completely changed the profile of its activities: only radio specialists began to be trained within its walls.

Graduates of a military educational institution had a hard time during the Great Patriotic War. However, they courageously fulfilled their duty, carrying out not only their direct duties, but also fearlessly fighting the enemy, if necessary, to be involved in fighting. During this harsh time, army signalmen were trained in the Far East region, at the School of Communications of the Pacific Fleet.

RTS today

The fundamental tasks of the RTS of the Russian Navy include:

  • ensuring an organized and fully functioning system of lighting the situation in the fleet;
  • development and implementation of measures to improve the quality of control over the activities and "communication" of naval combat ships;
  • creation and control of the situation at sea and under water;
  • protection of communication channels from information interception by the enemy and malicious external interference.

A complete list of tasks and goals facing signalmen and employees in the radio engineering unit of our army is indicated in the relevant regulations, orders and directives.


Communication is simply of great importance for the military to fulfill their direct duties, but most importantly, to ensure the country's defense against a possible attack by enemy forces. The faster and more efficiently the military will exchange information in the event of a real threat, the faster measures will be taken to eliminate the imbalance. Considering that the warships of our fleet sometimes share serious distances, lasting several thousand miles, it becomes clear: the role of radio communications should not be underestimated. And, of course, with their work, the radio specialists of the Navy deserved their own holiday, the Day of the Signalman and Specialist of the Radio Engineering Service of the Russian Navy.


It is worth mentioning the first military university in Russia, which trains communications specialists for the needs of the domestic fleet. They became the Higher Naval School of Radio Electronics named after A.S. Popov. Until 2010, this educational institution was based in the buildings of the Leningrad Peterhof. Later it was renamed the Naval Institute. From mid-summer 2012, this institution was merged with the Naval Engineering Institute, and the resulting university - the Polytechnic - was transferred to Pushkin's Peterhof, where it is still located.

On May 7, give your loved one, spouse, friend, father or other relative who worked or served once for the good of the motherland in the radio engineering troops as a signalman, a memorable present. The latter can be a miniature model of a warship or a book with works of art about the life and exploits of brave warriors. He will be very pleased!

We sincerely congratulate all radio specialists on the holiday of May 7, on the Day of the Signalman and Specialist of the RTS of the Russian Navy!

The Russian Navy has 203 surface ships and 71 submarines, including 23 nuclear submarines equipped with ballistic and cruise missiles. The defense capability of Russia at sea is provided by modern and powerful ships.

"Peter the Great"

The heavy nuclear-powered missile cruiser Peter the Great is the world's largest non-aircraft-carrying strike ship. Capable of destroying groups of enemy aircraft carriers. The only afloat cruiser of the famous Soviet project 1144 Orlan. Built at the Baltic Shipyard and launched in 1989. Commissioned after 9 years.

For 16 years, the cruiser has traveled 140,000 miles. Flagship Northern Fleet Russian Navy, port of registry - Severomorsk.
With a width of 28.5 meters, it has a length of 251 meters. Full displacement 25860 tons.
Two nuclear reactor with a capacity of 300 megawatts, two boilers, turbines and gas turbine generators are capable of providing energy to a city with a population of 200,000. Can reach speeds up to 32 knots, cruising range is not limited. The crew of 727 people can be in autonomous navigation for 60 days.
Armament: 20 SM-233 launchers with P-700 Granit cruise missiles, firing range - 700 km. Anti-aircraft complex "Rif" S-300F (96 vertical launch missiles). Air defense system"Dagger" with a stock of 128 missiles. Gun mount AK-130. Two anti-submarine missile and torpedo systems "Waterfall", anti-torpedo complex "Udav-1M". rocket launchers bombing RBU-12000 and RBU-1000 "Smerch-3". Three Ka-27 anti-submarine helicopters can be based on board.

"Admiral of the Fleet of the Soviet Union Kuznetsov"

Heavy aircraft carrier cruiser"Admiral of the Fleet of the Soviet Union Kuznetsov" (project 11435). Built at the Black Sea Shipyard, launched in 1985. He bore the names "Riga", "Leonid Brezhnev", "Tbilisi". Since 1991, he became part of the Northern Fleet. Nes military service in the Mediterranean, participated in the rescue operation during the death of the Kursk. Three years later, according to the plan, it will go for modernization.
The length of the cruiser is 302.3 meters, the total displacement is 55,000 tons. Max Speed- 29 knots. A crew of 1960 can stay at sea for a month and a half.
Armament: 12 Granit anti-ship missiles, 60 Udav-1 missiles, 24 Blade (192 missiles) and Kashtan (256 missiles) air defense systems. It can carry 24 Ka-27 helicopters, 16 Yak-41M supersonic VTOL aircraft and up to 12 Su-27K fighter jets.

"Moscow"

"Moskva", guards missile cruiser. Multipurpose ship. Built at the shipyards of the plant named after 61 Communards in Nikolaev. It was originally called "Glory". Commissioned in 1983. Flagship of the Russian Black Sea Fleet.
Participated in the military conflict with Georgia, in 2014 carried out the blockade of the Ukrainian Navy.
With a width of 20.8 meters, it has a length of 186.4 meters and a displacement of 11,490 tons. Maximum speed 32 knots. Cruising range up to 6000 nautical miles. The crew of 510 people can be in the "autonomy" for a month.
Armament: 16 P-500 Bazalt mounts, two AK-130 gun mounts, six AK-630 6-barrel gun mounts, B-204 S-300F Rif air defense systems (64 missiles), launchers Osa-MA air defense system (48 missiles), torpedo tubes, RBU-6000 jet bombers, Ka-27 helicopter.
A copy of the "Moscow" - the cruiser "Varyag" is the flagship of the Pacific Fleet.

"Dagestan"

Patrol ship "Dagestan" was commissioned in 2012. Built at the Zelenodolsk shipyard. In 2014, it was transferred to the Caspian Flotilla. This is the second ship of project 11661K, the first - "Tatarstan" is the flagship of the Caspian Fleet.
"Dagestan" has a more powerful and modern weapons: universal RK "Caliber-NK", which can use several types of high-precision missiles (firing range is more than 300 km), ZRAK "Palma", AU AK-176M. Equipped with stealth technology.
With a width of 13.1 meters, "Dagestan" has a length of 102.2 meters, a displacement of 1900 tons. Can reach speeds up to 28 knots. The crew of 120 people can be in autonomous navigation for 15 days.
Four more such ships have been laid down at the shipyards.

"Persistent"

The flagship of the Baltic Fleet, the destroyer Nastoychivy, was built at the Zhdanov Leningrad Shipyard and launched in 1991. Designed to destroy ground targets, anti-aircraft and anti-ship defense formations.
With a width of 17.2 meters, it has a length of 156.5 meters and a displacement of 7940 tons. The crew of 296 people can stay at sea without calling at the port for up to 30 days.
The destroyer carries a KA-27 helicopter. It is equipped with twin AK-130/54 gun mounts, AK-630 six-barrel gun mounts, P-270 Moskit mounts, six-barrel rocket launchers, two Shtil air defense systems and torpedo tubes.

"Yury Dolgoruky"

The nuclear submarine "Yuri Dolgoruky" (the first submarine of project 955 "Borey") was laid down in 1996 in Severodvinsk. Commissioned in 2013. Port of registry - Gadzhiyevo. Part of the Northern Fleet.
The length of the boat is 170 meters, the underwater displacement is 24,000 tons. Maximum surface speed - 15 knots, underwater - 29 knots. Crew 107 people. It can carry out combat duty for three months without entering the port.
"Yuri Dolgoruky" carries 16 ballistic missiles"Bulava", equipped with PHR 9R38 "Igla", 533-mm torpedo tubes, six installations of acoustic countermeasures REPS-324 "Barrier". In the coming years, six more submarines of the same class will be built at Russian shipyards.

"Severodvinsk"

Multi-purpose nuclear submarine "Severodvinsk" became the first submarine of the new Russian project 855 Ash. The most "quiet" submarine in the world. Built in Severodvinsk. In 2014, it became part of the Northern Fleet of the Russian Navy. Port of registry - Zapadnaya Litsa.
With a width of 13.5 meters, it has a length of 119 meters, an underwater displacement of 13,800 tons,
Surface speed "Severodvinsk" is 16 knots, underwater - 31 knots. Endurance of navigation - 100 days, crew - 90 people.
Has a modern silent atomic reactor new generation. The submarine is equipped with ten torpedo tubes, P-100 Oniks, Kh-35, ZM-54E, ZM-54E1, ZM-14E cruise missiles. Bears strategic cruise missiles X-101 and can hit targets within a radius of up to 3000 kilometers. Until 2020, Russia plans to build six more Yasen-class submarines.