Uncrewed underwater kamikaze vehicle "Marichka"

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Uncrewed underwater kamikaze vehicle "Marichka"
Product "Marichka" on the slipway, view from the stern


In recent months, the Kiev regime has been actively trying to develop the direction of unmanned maritime attack vessels. Boats and underwater vehicles with warheads capable of attacking certain targets are being developed, demonstrated and even used. Not long ago they showed another example of this class - the Marichka underwater vehicle. At the moment, this is the largest Ukrainian unmanned submarine, and high hopes are pinned on it.



Latest development


The existence of the Marichka project became known several weeks ago. Its developer is the AMMO Ukraine organization, which positions itself as a charitable foundation. Previously, she was involved in collecting money and purchasing various equipment for armed groups, and now she is trying her hand at creating equipment. How exactly it was possible to change the field of activity in such a way is not specified.

At the end of August, the development organization published several promotional videos talking about Marichka. They demonstrated a three-dimensional model of this device, indicated its capabilities, etc. In addition, they showed footage of sea trials. The lens captured the launch of the device into the water using a crane, some movements through the water, etc. A few days later a new video from the tests appeared. Overall, it didn't show anything new.

It is curious that in computer animation the underwater vehicle is shown from different angles and in its entirety, while in live filming not all details are shown, and key units are even censored. In particular, the developers did not show the real propulsion system of the Marichka. In addition, unlike graphic materials, the actual internal architecture of the device is not demonstrated.

It is reported that a new type of unmanned vehicle is being tested in one of the remaining ports of Ukraine. How long they will last and when they should end is not specified. At the same time, AMMO Ukraine claims that in the near future “Marichka” will begin to be used for its intended purpose.


Night tests

With the help of this product they are going to attack Russian targets on the shores of the Black Sea. It is assumed that the ability to move underwater will help the device hide from surveillance systems, as well as bypass barriers and other means of protection. In general, as always, the Ukrainian side is showing great optimism - even excessive for this situation.

Submarine in miniature


The development organization showed the appearance of the product, revealed its possible architecture, and also named some technical features and characteristics. However, other data about the Marichka project is not yet available. The available information allows us to create an overall picture and find the strengths and weaknesses of the new Ukrainian project.

The “Marichka” product is actually a small-sized submarine. The length of the apparatus reaches or exceeds 6 m, the diameter is approx. 1 m. Displacement unknown. At the same time, the weight of the structure allows transportation on a semi-trailer with a towing vehicle.

A simple cylindrical body with a hemispherical head fairing and a conical stern on which the propulsion unit is placed is used. There are two pairs of horizontal rudders on the sides of the hull, and four stabilizer planes at the stern.

The promotional materials contain an interesting image that may show the structure of the device. In the figure, the submarine is shown without the plating of the upper half of the hull. The combat load is placed in the volumes between the frames. In this case, the lower half of the body obviously accommodates the equipment and components necessary for movement.


Demonstration of scale

Apparently, “Marichka” is completely electric. In this case, a significant part of the body is occupied by batteries of significant capacity. The propeller in the form of a propeller or water jet is driven by an electric motor. The speed characteristics of the product are not given, while the range is indicated at 1000 km. The duration of the voyage in this case can reach tens of hours. Working depths are unknown.

It is reported that the device is controlled only by autopilot. Navigation is carried out using GPS satellite signals. Accordingly, in its current form, the submarine can only execute the loaded program and attack only stationary targets at previously known coordinates. Means and capabilities for remote control, additional reconnaissance of targets, etc. none. Perhaps, in the course of further development, the submarine will receive a new set of equipment with expanded capabilities.

Almost half of the internal volume of the hull is allocated for placement of the warhead. It can accommodate hundreds of kilograms of explosives and a fuse. In this case, the submarine becomes disposable and dies when the charge explodes.

At the moment, the cost of one “Marichka” product is approx. 430 thousand US dollars. How the price may change depending on certain circumstances is unknown. Thus, the launch of mass production can reduce it, but dependence on imported components or loss of production capacity will lead to the opposite effect. Moreover, under certain circumstances, the production of submarines may not be possible, regardless of investment in it.

Real potential


The developers of “Marichka” directly talk about their desire to use such products against Russian targets in the Black Sea. In this regard, it is necessary to evaluate the new Ukrainian unmanned vehicle and determine the degree of its danger.


As presented, this product has important features that, if used correctly, can become an advantage. First of all, these are high performance characteristics, namely the cruising range, which gives quite a wide range of possibilities. The design in the form of a submarine is of great importance: such a device, unlike unmanned boats, is capable of moving secretly. In addition, the cylindrical body, while performing all other functions, can accommodate a larger warhead.

An autonomous control system with satellite navigation, in theory, provides effective control of the vessel and can increase the accuracy of hitting the target. In this case, the control system apparently does not need to constantly maintain communication with the operator. As a result, it does not unmask itself with radiation.

At the same time, “Marichka” is not without its shortcomings, and it can be combated, and fundamentally new means are not required for this. Thus, when moving, the submarine, despite the use of electrical systems, creates a certain noise and other disturbances. They can be identified by staff naval detection systems with subsequent transfer of target designation to fire weapons.

Mesh barriers remain an effective defense against underwater threats. The Ukrainian apparatus will not have enough energy to break through them, and autonomous electronics will not be able to identify such an obstacle in advance and correctly respond to it. Failure to act outside of the intended program can lead to other problems. In particular, it is unclear how the device will behave when signals from navigation satellites are suppressed.


It is unlikely that “Marichka” is distinguished by high stability and survivability. Judging by the materials shown, even individual destructive elements or a shock wave can destroy the integrity of the housing with the subsequent entry of water and the destruction of electrical and electronic components. Detonation of the warhead is also possible. In all cases, the task execution stops immediately.

It should be recalled that the Russian army responded to attacks by unmanned boats by discovering and destroying their assembly sites, storage bases and launch positions. Obviously, this situation will repeat itself with the Marichka product, and a considerable proportion of the devices will be destroyed on the shore.

New threat


Thus, Ukraine is again trying to get some new weapon, which will help her fight the Russian army and navy. After numerous failures on the ground and in the air, the Kiev regime is mastering the naval theater. They even create new types of weapons and equipment for him. Another example of this kind was the unmanned kamikaze submarine “Marichka”.

This product is currently being tested, but its creators are already talking about high potential and future effective use. However, the Russian fleet already has all the means to protect against surface or underwater strike systems. In addition, the strengths and weaknesses of such a device are already clear, and the necessary measures are being taken.

It is quite possible that in the near future the Marichka project will leave the testing stage, and such products will try to attack our targets. By this time, the existing defenses will be supplemented and strengthened, which is why the enemy should not expect outstanding results. Like the vast majority of already existing strike systems in Ukraine, such devices will be methodically destroyed.
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39 comments
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  1. -4
    28 September 2023 03: 50
    Nothing new, an ordinary suicide mobile, only an underwater one - a terrorist’s weapon.
    1. +10
      28 September 2023 13: 21
      If this is a terrorist’s weapon, then a kamikaze drone like geranium is also a terrorist’s weapon?
  2. +4
    28 September 2023 04: 25
    How many batteries does it take for this suicide torpedo to travel 1000 km?
    1. +6
      28 September 2023 05: 32
      Quote: Bolt Cutter
      How many batteries does it take for this suicide torpedo to travel 1000 km?

      In the Black Sea, in my opinion, there are simply no such distances
    2. +5
      28 September 2023 06: 24
      Quote: Bolt Cutter
      How many batteries does it take for this suicide torpedo to travel 1000 km?

      in March 2012, the company's 533 mm SeaHake mod 4 ER (Extended Range) torpedo traveled more than 140 km, probably setting a record for torpedo range.
      Quote: Atlas Elektronik
      This was made possible by making full use of the unique power plant and battery."

      standard version 6,22 m/1533 kg and 90 km/h

      They should have brought it to 185 km.
      We correlate speed/useful volume, we can assume that the Ukrainian achievement (taking into account equality of technologies) is ~<300-400 km.
      The battery will not last for 1000 km.
      And you can brag about 5000 km.
      There, even at 400 km, the error on the trajectory, without correction there will be a gigantic
      Quote: author
      The length of the apparatus reaches or exceeds 6 m, the diameter is approx. 1 m. Displacement unknown.

      Yes.. it's so "complicated"
      1000kg**6m*Pi*D^2/4 +(0-1)%= equal to underwater
      Quote: Dutchman Michel
      In the Black Sea, in my opinion, there are simply no such distances

      From Odessa to the Kerch Bridge, around Crimea, about 600-700 km, to Sochi and the whole 1000 km will be
      1. +7
        28 September 2023 06: 45
        At 25 knots, the Dutch torpedo would have traveled roughly 300 miles, and at 17 knots, 600 miles (1111 km). This is at the original 140 km.
        I wouldn’t be surprised that with a mass of about 4,5 tons, this Pepelats will cover the specified 1000 km. And its shape does not correspond to high-speed ones.
        But it makes sense to use it as a self-propelled mine, with a given positioning, and not necessarily in the Black Sea. The Turks will concoct a carrier for them, and even take a share.
        1. 0
          28 September 2023 07: 29
          Quote: Victor Leningradets
          a Dutch torpedo would have passed

          Which Dutch one?

          Quote: Victor Leningradets
          This is at the original 140 km.
          I wouldn’t be surprised that with a mass of about 4,5 tons, this pepelats will cover the specified 1000 km

          Midsection 1m, length 6m

          Here's the formula for you

          You can easily find coefficients for such elongation.
          Li-Ion
          Specific energy intensity, Wh/kg: 100-250
          Specific energy density, W*h/liter: 250-360
          Even if we take the upper values ​​and a 10-node stroke (it’s not worth less: problems with controllability and flow will begin), then you won’t reach 1000 km (take into account the warhead and brains and actuators and the outlet rod of the correction receiver should also be taken into account)
          I would still like to pay attention to the trolley of the German torpedo, its design and design, and how it was tamed on wheels (and their number)

          However, I won’t take away laurels from Klimov’s comrades and (I forgot as the second of a sweet couple): they will chew everything
          1. +4
            28 September 2023 08: 01
            Well, substitute:
            0,7854*1м^2*6м=4,7124 м3
            Let's grind the blank - here you have 4,5 m3 = 4,6 tons in sea water.
            And with the cruising range, everything is according to the cubic formula (although already at a speed <0,5 of the nominal value it varies). Recalculation starts from 140 km and 50 knots, half a stroke - power 1/8 - power reserve 4 nominal; a third of the stroke - power 1/27 - power reserve 9 ratings (this does not take into account the increase in the propulsive coefficient). Respectively 560 km and 1260 km.
            So, at low noise speeds (5 - 6 knots), this rubbish (Marichka) can even make an inter-base transition from Ochakov to Baltiysk.
            So either the Germans are lying (I got confused with the Dutch here), or everything is as it was written.
            That's it, I'm handing over the phone.
            1. 0
              28 September 2023 11: 00
              Quote: Victor Leningradets
              Well, substitute:
              0,7854*1м^2*6м=4,7124 м3
              Let's grind the blank - here you have 4,5 m3 = 4,6 t in...
              That's it, I'm handing over the phone.

              Wait... where to put the volume, why sharpen the blank, no need to hand over the phone. We must wait for Klimov (or that second one)!
              Where is this sea weakness? sad
              1. +1
                28 September 2023 19: 43
                Back in touch again.
                Considering that the length of both torpedoes is the same, and the cross-section of the marichka is approximately twice as large, therefore the resistance of this projectile is approximately 4 times higher at equal speeds. The bodies are cylinders with a rounded head and a conical tail, so that to a first approximation at low strokes they are similar, and the shape resistance has a ratio of 4:1. The friction resistance of the Marichka's cylinder is only twice as great. The mass of the battery can also be safely increased by 4 times due to the larger displacement and lower mass of the warhead. But the engine power to ensure a cruising speed of 10 knots will be (50/10)^3:4 = 31 times less, and accordingly its mass will be much less.
                Assuming a cruising speed of 6 knots (the normal underwater speed of submarines before WWI), we obtain an increase in range by (50/6)^2 = 39 times, which will be 140 * 39 = 5460 km, and at a speed of 10 knots - 3500 km. These values ​​allow the Ukrainian Navy to carry out mining of all European ports of Russia, not only sea, but also river, and also using special warheads - hydraulic structures.
                1. 0
                  28 September 2023 23: 13
                  Quote: Victor Leningradets
                  Back in touch again.

                  Me not.
                  A dog is a man's friend. 12 years old. Today I rested in God's grace. I carry my ladies’ tears out in buckets... I’ll soon start crying myself. Trouble has already begun, “maybe she’s still alive”
                  Especially if you have a phone periodically, well, I understand why...
                  Better in PM, later.
                  I didn’t even read it, the idea doesn’t work. Sorry
                  1. +1
                    29 September 2023 07: 16
                    Deepest sympathies, may God grant her shady forests, sunny meadows and clean lakes where my three are now.
                    1. 0
                      2 October 2023 10: 44
                      Quote: Victor Leningradets
                      Deepest sympathies, may God grant her shady forests, sunny meadows and clean lakes where my three are now.

                      drinks
                      Immediately visible person.
                      There are 2 of mine, this is 3. But the wife suffers more
      2. 0
        28 September 2023 16: 44
        This unit can have a combined drive; in the popular situation, it can run on gasoline. And that there is a surface passage is unambiguous; GPS signals are not picked up under water.
        1. 0
          28 September 2023 23: 15
          Quote: Igor K_2
          This unit can have a combined drive,

          You’d better re-read the article not diagonally, but from top/bottom.
          And under a snorkel such a range is achievable, but it is unlikely with such dimensions. I love it so much
  3. +7
    28 September 2023 04: 26
    Nevertheless, The Russian fleet already has all the means to protect against surface or underwater strike systems.

    I am not as optimistic as Kirill.
    I remember and before my eyes the death of the RK “Moskva”, the submarine and the large landing craft, the explosion of the Crimean bridge and some other episodes of the air defense. I am more concerned about the current situation, when the enemy has devalued Russia’s use of weapons to achieve victory (including nuclear weapons) and today is being driven away, increasing by all available means the amount of weapons capable of causing some harm to our country. What worries me is that, given the current situation, it can continue indefinitely (at least until the complete destruction of the last Ukrainian... then Pole... then someone else). What can Russia oppose in this case? Can it withstand the potential of all of Europe + the US + allies?
    It probably can. Only the desire of the Supreme High Command is not visible from the word AT ALL...
    Here, in the debate, it was heard from the TV screen that the temporary detention center before the war provided information that he WANTED TO SEE. And, presumably, Stalin wanted to see that Hitler would not start a war. And then the remark was heard: “What is different about today’s situation?”
    And today's situation differs from the situation in 1941 in that the enemies openly declare that they intend to destroy Russia... That the destruction of Russia is their main goal. Another question is how and by whose hands.
    * * *
    And we still talk about good but deceived Ukrainians, about Western rulers who sold out to the Americans, and some people (peoples) who love Russia... Denmark recently announced that it would not provide information about the investigation into the explosions at the "SP" . Is there no Baltic Fleet in Russia? He cannot go to the scene of the accident and (even with representatives from international organizations) conduct his own investigation? Tell me, a retired amateur, who can stop a nuclear power from conducting an investigation at a facility it owns? What might happen if a NATO country or the entire country attempts to use force? What does Russia expect from the so-called international investigation and by when?
    * * *
    It's time to wake up and use all means so that TOMORROW comes both for Russia and for its people...
    1. +1
      28 September 2023 09: 18
      Quote: ROSS 42
      Tell me, a retired amateur, who can stop a nuclear power from conducting an investigation at a facility it owns?

      Denmark.

      Quote: ROSS 42
      It's time to wake up and use all means so that TOMORROW comes both for Russia and for its people...

      I agree with you. I apologize for the stupid question. Is it really possible to wake up Peskov with his eternally relaxed, sleepy voice?
    2. 0
      28 September 2023 13: 25
      And today's situation differs from the situation in 1941 in that the enemies openly declare that they intend to destroy Russia... That the destruction of Russia is their main goal.

      But in 41, did Hitler really say anything else? I didn't understand this idea at all.
      1. 0
        4 December 2023 17: 54
        Quote: WindSurfer
        But in 41, did Hitler really say anything else? I didn't understand this idea at all.

        In 1941, Hitler managed to organize a disinformation maneuver and made people believe that he would not attack the USSR.
        Another thing is whether the leadership of the USSR together with its people's commissars wanted to believe in this, or did they blindly obey the temporary detention center?
    3. 0
      4 December 2023 17: 18
      And today's situation differs from the situation in 1941 in that the enemies openly declare that they intend to destroy Russia... That the destruction of Russia is their main goal.

      If only this...
  4. -1
    28 September 2023 04: 57
    Quote: ROSS 42
    Nevertheless, The Russian fleet already has all the means to protect against surface or underwater strike systems.

    I am not as optimistic as Kirill.
    I remember and before my eyes the death of the RK “Moskva”, the submarine and the large landing craft, the explosion of the Crimean bridge and some other episodes of the air defense. I am more concerned about the current situation, when the enemy has devalued Russia’s use of weapons to achieve victory (including nuclear weapons) and today is being driven away, increasing by all available means the amount of weapons capable of causing some harm to our country. What worries me is that, given the current situation, it can continue indefinitely (at least until the complete destruction of the last Ukrainian... then Pole... then someone else). What can Russia oppose in this case? Can it withstand the potential of all of Europe + the US + allies?
    It probably can. Only the desire of the Supreme High Command is not visible from the word AT ALL...
    Here, in the debate, it was heard from the TV screen that the temporary detention center before the war provided information that he WANTED TO SEE. And, presumably, Stalin wanted to see that Hitler would not start a war. And then the remark was heard: “What is different about today’s situation?”
    And today's situation differs from the situation in 1941 in that the enemies openly declare that they intend to destroy Russia... That the destruction of Russia is their main goal. Another question is how and by whose hands.
    * * *
    And we still talk about good but deceived Ukrainians, about Western rulers who sold out to the Americans, and some people (peoples) who love Russia... Denmark recently announced that it would not provide information about the investigation into the explosions at the "SP" . Is there no Baltic Fleet in Russia? He cannot go to the scene of the accident and (even with representatives from international organizations) conduct his own investigation? Tell me, a retired amateur, who can stop a nuclear power from conducting an investigation at a facility it owns? What might happen if a NATO country or the entire country attempts to use force? What does Russia expect from the so-called international investigation and by when?
    * * *
    It's time to wake up and use all means so that TOMORROW comes both for Russia and for its people...

    One must assume that it is more convenient to use force near one’s own shores, and how can the use of force end... Google where the children of the elites study and live, will the Sarmatians fly to these cities?
    Even if nothing good comes of the shooting, a new round of sanctions + an increase in the supply of weapons to the Armed Forces of Ukraine and then it is possible that Beavers’ attacks will seem like a children’s fairy tale
  5. +3
    28 September 2023 05: 06
    Few, bad, useless, will become legitimate targets and will soon be destroyed.
    Ryabov GPT at work. Judging by the amount of copy-paste text, this AI is successfully learning
    1. +3
      28 September 2023 13: 33
      Everything that the enemy has is bad, unusable, slanted, crooked and will generally be destroyed at its base, that’s the logic. How the RK Moscow fits into this logic, 2 large landing ships, 1 submarine, several other damaged ships, explosions at air bases, and so on and so forth, is a big question.
  6. +3
    28 September 2023 06: 13
    Its developer is the organization "AMMO Ukraine"
    Do we know where this organization is located and where the engineers work? This is not an idle question.
    such products will try to attack our targets
    There is no doubt about this, which is why I asked the question at the beginning of the comment.
    1. +3
      28 September 2023 07: 38
      Quote: rotmistr60
      Do we know where this organization is located and where the engineers work?

      It is known.
      They volunteer for the Ukrainian Armed Forces.
      There are hardly any engineers there: it doesn’t happen... torpedoes are not created in a month.
      And Ukrainians test all BECs in one place, on that same lake/estuary. There's also a testing station there.
      Let me remind you
      May 2021 of the year Commander of the Ukrainian Navy, Rear Admiral Alexey Neizhpapa, it was planned to equip the fleet with unmanned marine vehicles

      However, I will support
      Quote from Tim666
      Few, bad, useless, will become legitimate targets and will soon be destroyed.
      Ryabov GPT at work
  7. 0
    28 September 2023 06: 50
    It makes sense to develop something similar, but with a passive radio exchange function and GLONAS correction. You can also adjust according to the beacons on the bottom. And provide a special warhead.
    1. +1
      29 September 2023 15: 24
      You are thinking in absolutely the right direction, but you should not stop and continue to move your thoughts several steps forward.
      It is typical for our country, but not everywhere, to have relatively shallow coastal marine territories (Caspian, Baltic, northern seas), as well as difficult neighbors (almost everywhere). If something similar to a satellite constellation is deployed, only with the peculiarities of sea placement (you cannot deploy a solar panel underwater wink ). Let there be a grouping of those same bottom beacons for passive scanning of the surrounding water space, but with the ability to switch to active mode, and a small swarm of underwater drones on combat duty with periodic return to the base for recharging and maintenance. For drones, provide the possibility of secure radio exchange with bottom beacons (safely receive data for analyzing what is happening) and interaction with the base (here via satellites).
      But I wouldn’t be surprised if a strategic enemy has implemented or is implementing something similar.
  8. 0
    28 September 2023 07: 55
    Navigation is carried out using GPS satellite signals.
    And how do these signals travel underwater? Urgently document your scientific discovery. And one more thing: the quality of the welding of the tail section suggests that it was welded in a village garage.
  9. +1
    28 September 2023 14: 16
    Answer!
    Nord Stream drones
    More than 2 thousand pipes remaining after the construction of Nord Stream 3 are stored on the island of Rügen.
    The length is 12 meters.
    The weight of each pipe is 10-12 tons, depending on the wall thickness.
    Wall thickness 41, 30,9 or 34,6 mm.
    Diameter 1153 mm (pipe internal diameter).
    1. +1
      29 September 2023 15: 27
      The thing is good, the idea is correct, the implementation will not be so difficult - almost everything is ready. Just what is it supposed to be used against? Port facilities are treated with Geraniums the old fashioned way.
      1. 0
        29 September 2023 21: 09
        This is a propaganda weapon. We make two pieces, with microcircuits from the best washing machines and mother-of-pearl buttons, let them go over the remains of the bridge in Zatoka, and widely demonstrate this quantitative photo.
        Wait a minute, this is a washing machine for port facilities.
        Grain Pier came out to rest on the shore.
        Alternatively, it pops up and plays patriotic tunes.
        Video: March of the Pipeline Troops
  10. Eug
    0
    28 September 2023 20: 44
    "..... Its developer is the organization "AMMO Ukraine", which positions itself as a charitable foundation. Previously, it was involved in collecting money and purchasing various property for armed groups, and now it is trying its hand at creating equipment. How exactly did it manage to change its field of activity? not specified....."
    What's surprising? The organization is clearly engaged in money laundering, and “hiding” money in the development of new technology is very effective - proven by ANTK Antonov.
  11. +2
    28 September 2023 22: 14
    Let's see. Usually, it was the Ukrainian side that managed surprises throughout the war.
  12. -1
    28 September 2023 23: 21
    Poseidon for the poor?
    And how long will he be released? 2 pieces?
  13. 0
    29 September 2023 18: 37
    Quote from barbos
    You are thinking in absolutely the right direction, but you should not stop and continue to move your thoughts several steps forward.
    It is typical for our country, but not everywhere, to have relatively shallow coastal marine territories (Caspian, Baltic, northern seas), as well as difficult neighbors (almost everywhere). If something similar to a satellite constellation is deployed, only with the peculiarities of sea placement (you cannot deploy a solar panel underwater wink ). Let there be a grouping of those same bottom beacons for passive scanning of the surrounding water space, but with the ability to switch to active mode, and a small swarm of underwater drones on combat duty with periodic return to the base for recharging and maintenance. For drones, provide the possibility of secure radio exchange with bottom beacons (safely receive data for analyzing what is happening) and interaction with the base (here via satellites).
    But I wouldn’t be surprised if a strategic enemy has implemented or is implementing something similar.

    If I’m not mistaken, the SOSUS system is exactly an analogue of what you are describing, except for drones.
  14. 0
    30 September 2023 20: 04
    Navigation is carried out using GPS satellite signals

    There is no need to read anything further. This is where the legs come from and whose equipment is on this complex.
  15. 0
    30 September 2023 22: 41
    I am 100% sure that the Anglo-Saxons had a hand in the creation of this device.
  16. 0
    30 September 2023 23: 40
    Judging by Mr. Ryabov K.’s note, this “wunder-waffen”, if created, with the addition of the word “actually”, could become a fairly serious “challenge” to the Crimean Bridge and other static hydraulic structures in the waters of the Azov and Black Seas. Judging by the description of the guidance system of this device, the first and, it seems, the main line of defense against defeat by it is the complete suppression of the GPS signal or its serious distortion in the areas where the GT structure is located, with the possibility of jamming any signals correcting the location of the drone, using air, sea , ground-based correction means, in the version - 24/7... Let me suggest that the device will be slightly deepened when moving towards the target, in order to mask the noise of the operation of its electric propulsion and other systems under the bio-noise of the near-surface layer of the sea, which will seriously complicate its detection acoustic stations of duty equipment... Proposed options for organizational and technical "vaccinations" from the next NATO "ARVI" 1. Suppression (distortion) of the GPS signal. 2. Maximum difficulty in flights of NATO specialized aircraft (UAVs) over the Black Sea. 3. Creating “problems” in the functioning of the NATO space group. 4. Identification of areas of production, storage (location), preparation for use, with subsequent “disposal” of the identified objects. 5. Creation of a network of stationary sonar buoys - “curtains” in drone-dangerous directions. 6. Mining of sea areas expected to be used by the enemy when drones “exit” on missions....
  17. ASM
    0
    1 October 2023 18: 42
    What kind of satellite navigation can we talk about when moving underwater? Here you either regularly float up and extend the antenna, or drag behind you a paravan with an antenna for long-wave communications. In addition, the cruising range is questionable - this can only be accomplished at low speed and huge, in relation to the total displacement, mass of batteries. Those. in principle it can be done, only it will be a “turtle” for attacks on stationary objects, for example, the Crimean bridge.

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