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Unit Observer Profile picture
@WarUnitObserver
Mar 12 • 9 tweets • 4 min read • Read on X
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THREAD
Russian Nuclear Forces are used as assault infantry in the Toretsk direction.
In November 2024, trucks belonging to the 🇷🇺 12th Main Directorate crossed the border into Ukraine near 47.845276, 39.762979.
At that time we didn't know what their purpose was.
Now we do.
Image
How did we identify the trucks? The double digit number on the right side of the license plates, "39", is exclusively used by the 12th Main Directorate (12 GU MO) and can be seen on every vehicle. Image
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In December, a video of another unit showed up for the first time, also in Toretsk. The "20th Regiment". Subordination was unclear, peripheral information, like Military Unit Number (MUN), subordination and origin completely missing.
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However, the MUN could recently be determined, and with that, a lot of the previous unknowns are now solved.
MUN: 43879
Attached to: 132nd Motor Rifle Brigade
Area of Operation: Southern Toretsk / Nelipivka / Shcherbynivka Image
This isn't the interesting part tho. Just another Motorized Rifle Regiment? No. Two other MUNs have been mentioned in connection with this unit, namely 25625 and 73752.
Former is "Khabarovsk-47" and the latter the previous 1508th Repair Base, both subordinated to 12 GU MO. Image
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The first mention of the Nuclear Forces Motor Rifle Regiment we found was in July 2024, so they likely started forming in mid 2024.
One soldier noted that they entered Horlivka on November 13th, which is roughly the date they entered combat. Image
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There are even additional soldiers from nuclear units going missing near Toretsk.
Irkutsk-45: MUN 39995 (likely the current MUN of 73752) Image
Great additional information (in German, use the translate feature)
Shows soldiers that highly likely belong to the 20th Regiment being decorated

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More from @WarUnitObserver

Unit Observer Profile picture
Oct 30
The Pokrovs’ke - Hulyaipole front has seen the deepest Russian advances in the past month.
This thread will examine the 🇺🇦Ukrainian forces in the area, highlighting the many attached battalions that likely lead to degraded coordination between the units.

Overall command of this sector belongs to the 🇺🇦20th Army Corps, with the attached 102nd Territorial Defense (TDF) Brigade holding its right flank near Hulyaipole.

The 🇺🇦110th Mechanized Brigade seems to have a nearly 20 kilometer-wide area of responsibility, while the sector north of it sees the presence of several assault battalions under an unclear command.Image
The 🇺🇦110th Mechanized Brigade is a clear example of a well-documented Ukrainian practice: battalions from other units are frequently attached to brigades struggling in defense. This often results in reduced coordination, cohesion and responsibility for the brigade commanders.

As mentioned in a post by the Brigade itself, the units attached to the 110th include:
- 3rd Battalion, 122nd TDF Brigade
- 4th Battalion, 105th TDF Brigade
- 3rd Mechanized Battalion, Presidential Brigade
- 1st Rifle Battalion, 125th Heavy Mechanized Brigade (possibly with elements of 2nd Mechanized Battalion)Image
Image
The 🇺🇦102nd TDF Brigade to the south has also received reinforcements, with 🇷🇺Russian forces attacking Poltavka since early October.

Specifically, a Battalion Tactical Group based on the 2nd Mechanized Battalion of the 🇺🇦142nd Mechanized Brigade was deployed here and experienced critical issues in its command, leading to the loss of the settlement.
Unconfirmed rumors mention the commander was often under the influence of alcohol.

The 🇺🇦74th Recon Battalion, which had previously operated in this area, was brought in to remedy the situation.Image
Image
Read 5 tweets
Unit Observer Profile picture
Oct 9
🇺🇦 Two Ukrainian brigades have been transferred from the northern border areas to the eastern front.

The 144th and 154th Mechanized brigades redeployed in September to the Kup'yansk and Pokrovs'ke directions, respectively.

Both these sectors have recently seen Russian gains and likely needed reinforcements.Image
The 🇺🇦144th Mechanized Brigade had been in Chernihiv region, on the northern border, since the spring.

By late September, it was transferred to the area near Kindrashivka.

It was specifically mentioned in President Zelenskiy's October 8th evening address, along with the 15th National Guard Brigade which the 144th is likely supporting.Image
The 🇺🇦154th Mechanized Brigade had mostly been on the border between the Kharkiv and Belgorod oblasts in early 2025, although some elements had been seen north of Kup'yansk.

By late August it began deploying near Novomykolaivka (Dnipro oblast), where Russian forces have, however, continued advancing.Image
Read 5 tweets
Unit Observer Profile picture
Sep 25
🇷🇺 The Russian Naval Infantry grouping is now engaged in the Dobropillya area.
The 177th, 40th, and 155th Brigades are conducting attacks near Poltavka, while the 336th Brigade is operating near Nove Shakove.
For now, the 61st Naval Infantry Brigade appears to remain in reserve. Image
Overall the marines are mixed in between 51st and 8th Army units.
Due to Ukrainian redeployments, the naval grouping now faces well-regarded units such as Rubizh NGU, Skala, 225th Regiment, 82nd and 95th Air Assault Brigades, 93rd Mech Brigade and more. Image
Sources, 155th Marines:
Several very recent MIA, mentioning Poltavka
vk.com/wall-82407960_…
t.me/obrmp155chat/5…
t.me/obrmp155chat/5… Image
Image
Image
Read 6 tweets
Unit Observer Profile picture
Sep 10
🇷🇺 Russian Regrouping
Due to water shortages in Donetsk, many Russian units turn to volunteers for essential supplies.
Through this we have been able to confirm that the 61st and 336th Naval Infantry Brigades are in Donetsk, joining the Russian Naval Infantry Grouping Image
Russian Marines from the 61st Brigade, recently redeployed from Kherson, thank volunteers for donating water tanks in this video filmed at the 'Hypermarket' parking lot in Donetsk.
Image
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The 336th Naval Infantry Brigade has redeployed toward Pokrovsk as well, joining the 177th Regiment and the 61st, 155th and 40th Brigades already in the area — all likely operating under the Russian Naval Infantry grouping. Image
Read 4 tweets
Unit Observer Profile picture
Sep 6
🇺🇦Ukrainian units are beginning to transfer out of Sumy, following Russia's regrouping that we reported on last week.

In this thread we will review the current Ukrainian disposition in Sumy, including recent changes and which units might move out soon.

Image
During August, the 156th Mechanized Brigade transferred to the Pokrovsk direction (possibly around Shakhove and Sofiivka).

It was previously deployed in Yunakivka, where it was replaced by the veteran 47th Mechanized Brigade.

The 47th moved here from the border further west. Image
Units in the rest of the salient do not seem to be in the process of moving at the moment.

It is worth highlighting that the 225th Assault Regiment may have reduced its presence around Andriivka to a single battalion (Shkval Battalion) following counterattacks in early summer. Image
Read 5 tweets
Unit Observer Profile picture
Sep 5
(1)
 Robert Magyar, the commander of the Ukrainian unmanned systems forces, has recently released the August ranking for the top 25 Ukrainian drone units. We want to share a few details about the top ten units. Depending on the reception we might do the remaining units tomorrow.
1. 414th Separate Brigade "Magyar's Birds", Drone line
2. CSO Alpha, SBU,
3. 412th Regiment "Nemesis", Drone line
4. 3rd Separate Assault Brigade,
5. Lasar’s group, NGU,
6. 429th Regiment "Achilles", Drone line
7. GV Phoenix, DPSU, Drone line
8. 53rd Separate Mechanized Brigade
9. 427th Regiment "Rarog", Drone line
10. DNP 1020th Anti-Aircraft Missile Regiment
t.me/robert_magyar/…
Credit for many of the redrawn insignias: @MilitarylandnetImage
(2)
 414th UAS Brigade "Magyar's Birds":
The biggest drone unit in the Ukrainian army, which recently announced the plan to double its size.
Mostly focused on strikes against soldiers and light vehicles, it benefits from changes in the point system (more points for killed soldiers).Image
(3)
 SBU Alpha:
Umbrella unit for a large number of drone teams, operating all over Ukraine, actions are ranging from deep strikes to anti-infantry.
Some notable subunits are: Ivan Franko Group, Punisher Sword, Red Line Team, Project M2Image
Read 11 tweets

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