Emil Kastehelmi Profile picture
Sep 24, 2023 12 tweets 4 min read Read on X
Ukraine has expanded its control of the areas west of Verbove, and armoured vehicles are operating beyond the first Surovikin line. At the same time, the villages of Andriivka and Klishchiivka were liberated south of Bakhmut.

Are we seeing a breakthrough? Time for a thread. 1/ Image
In September, Ukraine advanced a couple of kilometres in the fields west of Verbove, beyond the main defensive line. They also captured fortified positions south of Robotyne and continued further south. Russian counterattacks have not been able to recapture lost positions. 2/ Image
Ukraine is also now able to operate various armoured vehicles on the other side of the Surovikin line. Even though immediate Russian anti-tank capabilities are likely somewhat suppressed, larger Ukrainian troop concentrations and movements can still be seen from the air. 3/
Even though Ukraine is slowly making progress every month, we haven’t seen an actual breakthrough.

In a breakthrough, an attack not only penetrates the enemy lines, but contributes to a more significant collapse of enemy defences in a certain area. 4/
In a breakthrough, there should be exploitable and reinforceable success, which brings the defender into a reactive state, unable to carry out the original defensive plans. In this situation, the defender should be disorganized, either forced to retreat or risk heavy losses. 5/
Manoeuvres with mechanised units should also be possible, as speed is a central element for keeping the momentum up. If the enemy can decisively limit or even totally prevent all such operations, a breakthrough isn’t really happening. 6/
Even though Ukraine has not achieved a breakthrough during this counteroffensive in any direction, we have seen a breach. Ukrainians have captured multiple forward fighting positions and control a section of the first main defence line, also known as the first Surovikin line. 7/
The Russians are still able to conduct an organized defence. Their lines are bending, but not breaking. The salient at the Robotyne-Verbove area is of course a problem for them, but they seem to have enough resources to prevent the situation from spiraling out of control. 8/
Can we still see a breakthrough during this year?

I find it unlikely, if the Russians keep using their troops in a sensible manner and focus on repelling the Ukrainian attacks. However, incompetence is a big factor which can have significant effects, at least locally. 9/
One important variable is Russia's losses. It is not clearly known how challenging the situation actually is for them.

At some point, Putin likely has to mobilize again. Delaying this decision can have serious consequences for the Russians, positive for the Ukrainians. 10/
Breakthroughs have been generally rare in this war after the first weeks. Ukrainians managed to do one in Kharkiv last autumn with significant consequences. A smaller one was achieved by the Russians, when they captured Lysychansk in summer 2022. 11/
Our team at the @Black_BirdGroup continues to monitor the situation. Our interactive map is updated (almost) daily. Remember to click the “Russian Defence Lines” layer on from the side panel, it helps you understand the situation better. 12/12

scribblemaps.com/maps/view/The-…

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More from @emilkastehelmi

Jun 5
On June 1, Ukraine conducted a successful operation targeting Russian strategic bombers and other aircraft.

Our battle damage assessment can confirm the following losses: 12 destroyed and 3 damaged aircraft, of which 14 are strategic bombers and 1 is a transport aircraft. 1/ Image
From videos and satellite images, 23 distinct aircraft were identified in total as potentially targeted. The condition of 4 aircraft seen in videos remains unclear. Available evidence doesn’t allow for assessing potential damage or whether nearby drones even detonated. 2/ Image
The highest possible number for total losses is 19, if all aircraft in unknown condition are actually damaged. However, this can’t be confirmed at the moment.

In 4 cases, it appears the drones likely missed, did not explode or cause visible damage for other reasons. 3/
Read 17 tweets
Jun 1
Ukraine has struck multiple strategic bombers in Olenya, Murmansk oblast, 1800 km from Ukraine. This is one of the most successful drone strikes against against Russian air bases in the entire war. The extent of the damage is yet unclear, but I can already say it's significant. 1/
Russia had transferred the valuable planes to Olenya to avoid the exact scenario we're seeing on the videos and photos coming from the area. Bombers operating from the field have repeatedly struck Ukraine with cruise missiles. 2/ Image
These are major and expensive losses for Russia that can't be replaced quickly.

Additionally, the air base in Belaya, roughly 4300 km from Ukraine, has been hit. Also Dyagilevo and Ivanovo air bases are burning. This is a very, very successful day for Ukraine. 3/
Read 5 tweets
May 28
During April and May, the Russians formed a dangerous salient against the Ukrainian defenses between Kostiantynivka and Pokrovsk.

The so-called spring offensive has progressed relatively quickly, and serious issues may lie ahead in the near future. 1/ Image
Defending forces in the area initially consisted of newer, less capable brigades, such as the 142nd, 155th & 157th. Elements from other units were also present. Reserves have been brought in – first the 36th marine brigade, and now the 82nd air assault brigade, among others. 2/
Russia's probable operational objectives for the coming months in the area include:

Formation of an encirclement threat around Kostiantynivka

Formation of an encirclement threat around Pokrovsk

Disruption of Ukrainian supply & command elements in the cities in the AO 3/ Image
Read 13 tweets
May 7
Russia has five active air bases near northern Finland and Norway. In this thread, I will go through the bases and their recent changes in activity and infrastructure, and how the war in Ukraine has affected them.

There have been some surprising developments. 1/ Image
The five air bases are located in Murmansk oblast: Severomorsk-1, -2 and -3, Monchegorsk and Olenya. There are more air bases near Finland further south in Karelia and St. Petersburg, but currently most of the largest and militarily active ones are in the north. 2/ Image
In June 2022 Russia announced plans to repair several of the northern air bases. The work has begun. In Severomorsk-1, fighter shelters on the eastern side of the field were repaired somewhere between 2023-24. However, in Severomorsk-2, there are more surprising changes. 3/ Image
Read 13 tweets
May 2
Russia is developing its military infrastructure and conducting organizational reforms near Nato’s northern flank, especially near Finland. News agencies from different countries have asked me about the topic, and in this thread I will share some recent observations. 1/ Image
Firstly, a brief overview of the organisational level. In 2024, Russia reestablished the Leningrad Military District (LMD) as a part of a larger reform of the military districts. The LMD covers the north-western Russia, including Baltic and arctic directions. 2/ Image
At the same time, Russia is expanding its existing brigades into divisions and bringing entirely new troops into Finland's neighboring regions. For example, the 138th Guards Motor Rifle Brigade from Kamenka was recently transformed into the 69th Motor Rifle Division. 3/ Image
Read 12 tweets
Apr 19
Putin declared a temporary ceasefire. What can be expected?

Firstly, Russia only makes such an announcement if it benefits Russia's diplomatic or military goals. Russia isn't suddenly seeking a quick peace, this is most likely a measure related to ongoing negotiations. 1/ Image
Putin says that Russian forces must be ready to repel potential ceasefire violations and provocations.

It's possible Russia will try to accuse Ukraine of breaking the ceasefire, which could then be used as evidence of Ukraine's unwillingness to reach a peace settlement. 2/
Russia may be trying to show the Trump administration that it has some desire for peace. A minimal gesture of goodwill may buy political points from the United States, although its actual impact on the war is likely to be small. 3/
Read 10 tweets

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