Bad design can kill: Missile defense and user fatigue

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Last week Ukraine sank the Russian cruiser Moskva. It was a remarkable attack. It will go down in naval history, and in a hundred years it will still be remembered. And I am saying this because I think many people still don't realize how big this was. It was huge. But in this video I want to use the incident to illustrate something that I think is a significant weakness in many of Russia's weapons systems, and that may have been the reason why Moskva failed to defend itself against the incoming missiles. And I am talking here about the user interface of the operator consoles. So it's a slightly naval-geeky topic, but one that I truly believe could have sunk the flagship of the Black Sea Fleet. So I think it's worth the time to go into it in some detail. I recently made a video where I said that Ukraine's strategy for winning the war with Russia is to make it so costly to keep fighting that eventually Russia decides that it's not worth it. And the sinking of Moskva was just excellent in that context. I literally can't think of anything that Ukraine could hit that would have been a more costly target than the cruiser Moskva. This ship was a valuable platform for air surveillance and air defense, and it was a command platform for the Russian Black Sea Fleet. But the really important thing is that it is an almost priceless loss for Russia. There were about 500 sailors on the ship, and we don't know how many were rescued, but it is possible that many of them perished. This was also a ship that all Russians know, and it was the flagship of the Black Sea Fleet, so the symbolic value is huge. And it is an irreplaceable ship for Russia. They are not able to build these ships anymore for a range of reasons. If you are interested in hearing about the problems that the Russian navy has with shipbuilding, you can watch my interview with Jonas Kjellén. But it was also surprising that this attack led to such a dramatic outcome. Ukraine apparently fired two Neptune missiles at Moskva. This is a newly developed Ukrainian anti-ship missile, but it is also a missile that is fairly comparable to other missiles on the market. It is pretty much the same type of missile as the Harpoon missile which is used in many Western navies. I would have expected Moskva to be able to handle two hits with these missiles and still stay afloat. There has been a lot of speculation afterwards that maybe these Slava-class cruisers have some design flaws that make them vulnerable. But the most interesting thing to me is how these missiles got through the ship's defensive systems. The Slava-class cruisers have several defensive weapons, but the ones that are really interesting in this regard are the short-range air defense missiles 9K33 Osa and the AK-630 close-in weapons system, which is a kind of Gatling gun. They also have the S-300 long-range air defense system, but because the earth is round and the incoming Neptune missile will fly below the radar horizon, they wouldn't notice the Neptune missile until they are too close to use the S-300. But on paper the defense systems were pretty solid, and you would have to do something extraordinary to get a hit on Moskva. When you are preparing such an attack, there are at a basic level two ways that you can beat a missile defense system. Either you can have a super fancy missile like the new hypersonic Russian Tsirkon missile. That is really hard to defend against. Or if you have older missiles, you will have to launch a bunch of missiles that arrive at the target at the same time from different angles. This way you can overwhelm the defense system so at least some of the missiles get through. And the Neptune missile is of this type where you need a lot of missiles to be successful. So you would assume that it would take a lot more than two missiles to sink a large cruiser like Moskva. So how did Ukraine do it? I don't know, but I do have an idea. There has been a lot of speculation online that Ukraine used their Bayraktar TB2 drone to provide target data, and that they also used this drone to distract the crew on Moskva so they didn't notice the incoming missiles. I don't think this is the right explanation. Moskva was specialized in air defense, and it was capable of tracking way more than one target at a time. There have also been some rumors that its radar only has 180 degree coverage angle but that is a misunderstanding of how the different radar systems work together. So I think a more plausible explanation is the exact opposite. That the crew was not tracking a drone and being distracted, but rather that they weren't paying attention to anything at all. And to explain this point I think I'll start with some reflections on how the routines work on Russian warships. It is my impression that they have a kind of old-fashioned way of doing certain things, and that they also have a very rigid understanding of procedures. For example, I used to have a job on some of the smaller Danish patrol boats, and one of our tasks was to escort Russian warships through the Danish straits. And their way of conducting these passages and their approach to navigation is… let's say mechanical. They seem to stick very closely to the preplanned schedule, which means that they do stuff that sometimes seems weird when you are in the real situation. Because the real world is never exactly the way that you planned. So for example, I've noticed that some of them really don't like to change their course when there is traffic coming across, where the easy thing to do would be to just turn a little and go behind the traffic. But it seems like they really don't want to leave the line that is drawn on the map. And also the Russian warships tend to make weird adjustments to their speed. They don't keep the speed at a constant level, but they increase and decrease the speed all the time, and it can be quite confusing to watch. But I think what's happening is that they have schedule with timestamps for specific waypoints, and then they are adjusting the speed so that they can keep the plan. And most other ships would just adjust the speed to match the arrival time at the destination, but the Russians seem to adjust so they can make every turn along the way at the exact time that it says in the plan. So it's a bit anecdotal, but it's just a personal reflection to illustrate that the Russian navy can be pretty rigid in the way it does things. And to take another example of how a Russian warship works, I found this video on YouTube. It is from an exercise in the Baltic Fleet, so it is not Moskva but another ship, but it illustrates my point. I have cut away some things in this video, because the interesting part is the images from inside the ship. And the first thing that I notice is that nobody is wearing any kind of protective clothing. So this is not what you actually look like when you are doing a naval exercise or operation. If we stop the video for a minute, here is an image of what you really look like when you are at battle stations on a ship. You can probably imagine that it's pretty uncomfortable, and it's hot, and after an hour you really want to take it off. But this is what you are wearing when you are ready for battle. This is the bridge on one of the Danish frigates, by the way. Notice what the instruments look like. It looks pretty modern and computer-based. I'll have some comments about the Russian instruments in a moment. But, ok, the point here was about the clothing. Let's get back to the video. I understand that it's an exercise, and that there is also a film crew walking around so it's a bit artificial. But really, you train as you fight, and this just looks unprofessional. Ok, enough about the clothes. What I really wanted to show here is how old-fashioned all the instruments are. This looks like something from the 1980s. And that also means that everything depends very much on manual interpretation of sensor data and manual transfer of data between the different systems. Let me just pause the video here for a moment. This is the navigation radar. Look at that. Let me just put a picture of the navigation radar on one of the Danish frigates next to it. I mean, even if you don't know anything about navigation, you can still see that there are multiple generations of technology between these two radars. About a year and a half ago there was a collision in Danish waters where a Russian warship hit a merchant ship in heavy fog. When you see this picture of what the Russian radar looks like, you begin to understand how something like that can happen. My point here is not that old stuff doesn't work. It really does, and the performance of old stuff can be very good. So the Russian warships can also perform very well. But the problem is that it is labor intensive. You need a high-quality crew, and you need them to perform at their best for all these manual systems to work together. And that brings me to the important question of operator fatigue. It's actually fairly easy to get good performance from a crew in exercises. Easy is perhaps a wrong word, but it's a question of practice. Because when you have an exercise, then there also is a specified amount of time, and everyone knows that something is going to happen, so it is fairly easy to stay focused for the duration of the exercise. But when you are on a real mission, then the assumption becomes that nothing is going to happen. And this radar picture is basically what a sailor in the combat information center is expected to look at for hours without end. Most people would probably find it hard to maintain focus for just 30 minutes. And when you have been staring at this picture for eight hours a day for seven weeks, and nothing has happened, then it becomes really hard to stay alert. This is the effect of operator fatigue. Even if the crew performed perfectly great during exercises, they can still make the most embarrassing mistakes because of operator fatigue. So a ship crew has to be alert to defend against a missile attack. Even with the slow subsonic missiles like the Neptune, you only have about two minutes from the first dot on the radar screen until the missile hits. So the reaction has to be quick. The crew has to notice the missile right away, and then there has to be an immediate reaction to engage the missile. You don't have the time to call to battle stations or to contact the commanding officer to hear what he would like to do. So it has to be an immediate and pre-planned response. And that's why I don't think Ukraine used a drone to distract the crew on Moskva. If there had been a TB2 drone flying around, then it would have been easier for the operators to maintain their focus, because there would have been something to do. But if things were extremely boring, it is easy to imagine that the radar operator would be half asleep or talking to the guy next to him or smoking a cigarette or something like that, and then it could easily take a minute before the radar operator even discovered that there was a missile on the screen. Maybe they didn't even notice the missile until it opened its search radar, which would have triggered an alarm. Then there would be confusion, and everyone had to figure out what was going on, and it could be too late to engage the missile. So I think that this perspective of operator fatigue gives a plausible explanation about why Moskva didn't manage to defend itself against the Ukrainian missiles. It's really hard for human beings to stay alert for long periods of time, and our eyes are not made to focus on a screen where nothing is happening. So if you have a system that is based on manual processes, then you have this vulnerability. And I've been kind of harsh on the Russian systems in this video, but to be honest, it's a problem that many navies have, also in the West. Most western warships have more modern consoles where the producers have put some thought into the design so it isn't so stressful for the eyes to look at. And they also have some degree of automatic processes. But generally there are still many manual processes in warships. So the way to solve the problem of operator fatigue is to use so-called TEWA-systems, which stands for Threat Evaluation and Weapons Allocation. This is basically a decision support system that takes care of many of the processes, so the system automatically detects a threat, and the operator just has to press a button, and then the computer automatically launches the self-defense weapons. But today, most warships are very far from that, and the sinking of Moskva is a wake-up call for all navies. It is a reminder that warships are vulnerable, and that everyone can be caught off guard. And then it is a reminder that TEWA-systems are really important, because on the modern battlefield with hypersonic missiles and what have you, it is just not good enough to rely on a high number of manual processes in the operations room. Because manual processes can work pretty well in exercises when everybody is ready and on their post, but if you want something that will also work on day 41 in a war, then it has to be computer-based. Ok, I started by saying that I wanted to use this incident as a way to talk about how the user interface could be a weakness in several of Russia's weapons systems. And I do think that this can be one of the reasons why we have seen some of their best weapons systems fail in battle. For example the Pantsir air defense system disappointed in Syria, and that could perhaps also be because of a user interface that makes it impossible for the operator to maintain focus over long periods of time. Definitely, the console on S-400 looks like something that would make it vulnerable to user fatigue. So the user interface matters, and it is something we need to keep in mind when we design weapons. And of course, I don't actually know that Moskva sank because of operator fatigue and because of a bad user interface on the instruments. It's also one of those things where it's really hard to prove causality, and in reality there have probably been several causes that have worked together to create this outcome. But I think it is a plausible explanation that it played a significant role, because I am pretty certain that operator fatigue was a problem on Moskva before the accident happened. Ok, I should end it here, I think. This video is probably way too long already. Thank you so much for watching, and I'll see you again next time.
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Channel: Anders Puck Nielsen
Views: 669,833
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Length: 17min 5sec (1025 seconds)
Published: Fri Apr 22 2022
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