Against renewed #Russian 🇷🇺 attack efforts, #Ukraine 🇺🇦 has not been idle, and is currently building the New Donbas Line, which stretches from #Kharkiv city to #VilnePole (#Zaporizhzhia), and which is the fruit of years of drone war experience and, finally, error correction.
In some sections, it's already capable of withstanding full-force #Russian attacks.
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After 1.5 years of total offensive on much of Ukraine's territory, Russia is seemingly not intending to decrease the pace of their assaults, and on the contrary are renewing offensive actions on the South Donetsk, Novopavlivka, Kostyantynivka, Siversk, Lyman and Sumy.
In contrast, though, the Ukrainians have not been watching and sleeping all this time, and have brought big reinforcements in the critical Kostyantynivka direction, and, focus of this thread, have been digging a brand new Donbas Line.
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The first parts of this line were constructed back in early March, and the Ukrainians have been building and reinforcing non-stop since then.
We trench mappers call it the New Donbas Line because it covers a massive 350 km: from Kharkiv city itself to Pechenihy east, to Shevchenkove west of Kupyansk and all the way down to Izyum, then west of Kramatorsk, Slovyansk, at Zolotyi Kolodiaz, north of Dobropillia, Slovyanka, Mezhova, Havrylivka and, finally, Vilne Pole in Zaporizhzhia Oblast.
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Let's talk technical: what's it composed of?
Well, not so fast. It depends on the sections we're considering.
Some sections, like down at Vilne Pole and Havrylivka, only feature a singular anti-tank ditch or dragon's teeth line, while the Zolotyi Kolodiaz - Izyum - Pechenihy section is by far the strongest one: 3 anti-tank ditches, a dragon's teeth line behind, and a barbed wire line in front.
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The New Donbas Line, though, has a couple of characteristics common to every part of it:
1. The defensive line itself is built on positions that make sense to defend. That is, behind rivers, on dominant hills and on topographical chokepoints. Moreover, it's anchored by "urban pins". In the case of the photo, Izyum and Shevchenkove.
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2. The independence of the singular defensive positions.
In the New Donbas Line, there are no massive trench rings that, if captured, cause the collapse and outflanking of the whole defensive line. There are, instead, hundreds of 60 meter long T-shaped systems that are independent from each other and can still provide circular resistance if the neighbouring systems were to be captured.
To further help this mechanic, the Ukrainians adopted a defense-in-depth and attrition tactic, building rows of small trench systems extending not only to cover the length of the line, but also several kilometers behind. This way they hope to exhaust Russian tactical offensive potential and gain time.
Furthermore, the Russians will be forced to capture every single trench system before moving further, complicating even more their advancements.
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In general, the Ukrainians have learned from their past mistakes, and are applying, for one of the first times, their experience correctly when it comes to building fortifications.
We can note, too, how they're planning in advance for the worst-case scenario. That is, losing Pokrovsk, Dobropillia, Kramatorsk, Slovyansk, and Kostyantynivka.
In this position, this is the most correct and safest thing to do. If these bastions fall, the Russian advance into central Ukraine will be much, much faster, because of the lack of big urban centers and prevalence of rural areas, but with the New Donbas Line Ukraine accounted for this and started responsibly fixing this problem artificially.
If there was a thing I would really like to know they did in these trench systems, is that they dug a sufficient number of dugouts for every system and covered them completely.
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Unfortunately, Russia's upgrades to their FPV drone technology, especially in their ranges, has significantly complicated logistics and building, and pushed the "rear" much further back.
This means that if a month or two ago the Ukrainians could keep upgrading their fortifications almost to the last moment before the Russians closed in enough, now they have to account for this and need to start building further back than anticipated.
About exactly this FPV problem, Ukraine is in ABSOLUTE NEED of placing anti-drone nets on the roads leading to the defensive positions of the New Donbas line.
Maginot line with no supply is as good as a field dugout. How can the Ukrainian command hope to defend positions without being able to bring fresh reinforcements, ammo and food to them? You think leaving it empty will scare the Russians?
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In conclusion, I think Ukraine has taken the right road, but still needs to solve some extremely pressing issues. If I had to list them in order of importance:
#1: Anti-drone netting and supply protection
#2: Command reforms at all levels of the chain
#3: Manpower and fortifications
My opinion is that it is possible to defend with little fortifications (I like to use the example of Stepove, north of Avdiivka, in Winter 2023-2024), but it's not possible to defend lacking supplies and organization.
I still call on the Ukrainian command to immediately address these issues, because many great opportunities to efficiently restrain Russia have been lost exactly because of these.
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And that's about it for this (short) thread. Thanks for your attention!
These types of analyses take us trench mappers a ton of time and energy, so if you liked this thread and you learned something new today, I would really appreciate a repost and a follow!
And as always, have a great rest of the day 👋
Oh, and join my Telegram channel! t.me/PlayfraOSINT
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After weeks of tedious mapping of every single trench, foxhole, emplacement, ditch, blockpost, dragon's teeth, and barbed wire line, I've finally finished the Berdyansk sector, one of the most heavily fortified pieces of territory in the whole of Ukraine.
The total count is as follows:
- 40,000 trenches, foxholes, emplacements, firing positions
- 450 separate anti-tank ditches
- 600 separate dragon's teeth lines
- 220 separate barbed wire lines
Let's look at the most interesting things I found along the way.
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The area of the Ukrainian 2023 Velyka Novosilka counteroffensive.
De-facto, Russia's line "0.5". It was designed to absorb the first blow of Ukraine's counteroffensive and soften the Ukrainians for the first line of defense.
1/🧵 The situation in and around fortress Kostyantynivka: is it in danger, what are the main problems, and what's next.
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Kostyantynivka is a quite sizeable city in northern Donetsk Oblast, with a population of 67,000 as of 2022, and is part of Ukraine's formidable Kostyantynivka - Druzhkivka - Kramatorsk - Slovyansk defensive node, where Kostyantynivka is the southernmost city of the four.
These four cities are factually the last of their size still in Ukrainian-controlled Donbas.
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Ever since 2023, up to this day, Kostyantynivka has served, and continues to serve, critically important purposes for Ukrainian forces in some of the hottest areas of eastern Ukraine, like the Bakhmut, Toretsk, Chasiv Yar, and Rusyn Yar sectors, being used, for example, as an accumulation hub, logistical base, and (probably) command point.
Pokrovsk - Dobropillia general update (26/12 - 01/01)
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Pokrovsk industrial area. Russian soldiers move in waves of groups of 1-3 soldiers along the highway.
In the orange square, very frequent and large traffic of infantry is recorded.
From there, they cross the railway into the industrial zone along the indicated routes. Russian forces seem to still be unable to consolidate their positions there.
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Just east of this area, Russian forces tend to move as shown in the picture, mostly following the urbanized area but also attempting infiltrations in the treelines just north of Pokrovsk.
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About the recent severe worsening of the situation in #Siversk: events that led to this and information from the field.
Unfortunately, in the last 2 weeks, after more than 3 years of effective defense of the sector by Ukrainian units, Russian forces made significant progress in the Siversk direction and in the city itself.
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The main unit commanding the city's defense is the very experienced 54th Mechanized Brigade (with battalion "K-2" drones "Sky Fury").
Because of the gradual prioritization of other directions and the de-prioritization of more dormant and/or stable ones like Siversk, the Ukrainian command has not allocated any big amount of resources to the Brigade in the last months, or even years, choosing to distribute them in more critical sectors instead. As such, because of slow attrition, manpower and other needs of the brigade were not replenished at a sufficient rate, making it slowly become severely understaffed in manpower up to today.
Taking advantage of this, recently the Russian command finally reinforced the sector with new brigades, adding them to the ones made up of terrible-quality DPR and LPR forces, which severely impeded any progress on their part in the last years, among other reasons.
1/🧵Uspenivka sector, Pokrovske front, according to information from the field. Short update thread.
In the last few days, the situation, finally, significantly improved for Ukrainian forces after the transfer of the reinforcements I talked about here ().
After a period of generally large successes in this sector, in the last days Russian forces have been suffering a lot in wounded and dead servicemen, and, while further north near Vyshneve fast advancements are still recorded, they factually didn't advance by a meter near Uspenivka in recent days (the orange polygon you see is a correction, and DeepState updates are being published with a delay and generally diminish Russian gains here).
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Until now, the Russians advanced well to Uspenivka, effectively exploiting the very well-built Ukrainian trenches (that were simply abandoned by Ukraine) to accumulate their own manpower and transfer it without Ukrainian FPV threat. Once they reached the Yanchur river, it was imperative for them to force it immediately to exploit an almost complete lack of any Ukrainian organized defense effort, but to do this it was essential to secure the farm at 47.770945, 36.454224 (east of Novomykolaivka), and the small part of Novomykolaivka located east of the Yanchur river (1 single line of houses) at 47.771161, 36.447422.
🇺🇦⚔️🇷🇺 Day 1300, comprehensive frontline and rear situation report: territorial changes, trends, strategies and objectives of both sides, fortifications.
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Zaporizhzhia Oblast', Stepnohirsk sector.
Russian forces continue offensive operations in the sector, despite generally low media coverage.
The Russians gather up in Plavni's center to move through the gray zone to northern Plavni, and accumulate there. After this, they try to move into southern Prymorske, but are eliminated in the accumulation phase or cleared out by frequent Ukrainian infantry raids.
The Russians also often try to move through the kill zone in the fields north of Kamyanske, but the area is open enough for Ukrainian drone operators to control well and eliminate any movement, causing high casualties to the Russians.
Further northeast, the Russians constantly attempt to move into the 3rd microdistrict. This is because the district is composed of still mostly intact high rise buildings, that can be used for a safer accumulation for further assault operations.
From the 3rd microdistrict, the Russians seem to prefer attacking Ahrarna St. in southern Stepnohirsk.
Because of this predictability, the Ukrainians are zeroed in and constantly counterattack with all fire methods available.
Because of little successes evidenced after trying to take Stepnohirsk head-on, the Russians are slowly shifting their attention eastwards. An accumulation is recorded northeast of Kamyanske in the indicated area.
In general, the Ukrainians seem to be effectively holding the borders, combining fire damage with active defense, and achieving a favorable ratio of casualties with the Russian side. Russian successes here, at the moment, are not significant in any way.
White = trenches
Yellow = ditches
Blue = dragon's teeth
Gray = barbed wire
In the Uspenivka sector, Russian forces are advancing through vast rural areas. The Ukrainians can do little to nothing to counter this because of the almost total lack of manpower in this particular direction, that has not seen activity since 2022, and from which many units were transferred to other areas deemed more critical.
The trenches you see in this direction are either empty, because of the critical lack of men to man them, or unused, because they are outdated relative to drone warfare, as they are situated in the middle of fields and uncovered.
At the moment, fighting is ongoing for Olhivske, and Russian forces came close to Novoivanivka, for which fighting will likely soon start.
A bit north, after the capture of Zaporizke without much resistance, the village of Novomykolaivka was captured soon after. Russian forces are expected to continue along this small valley to Kalynivske, which suffered heavy FAB bombardments last week.
Near fortified Berezove, Russian forces decided to bypass both this village and Ternove, seemingly after encountering resistance, and advanced significantly between the 2 villages in the treelines.
This forced the Ukrainians to retreat from Ternove, for which fighting is ongoing, in favor of some outdated fortifications just north of it, which, as said multiple times, provide only an extremely small advantage.