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Jan 11 14 tweets 3 min read Read on X
Russian pro-Kremlin blogger Alexei Chadayev concedes that Ukrainian tactics are starting to prevail over Russian infantry assaults.

“The enemy is increasingly mastering the ‘playing second fiddle’ strategy - a situation where Russian forces are constantly advancing …
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“…almost everywhere, and their task is to make our offensive as difficult, bloody, and resource-intensive as possible. And this is not just about the ‘drone line’ anymore.
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“For example, we are now seeing tactical techniques like this: their artillery is positioned deep in their battle lines, beyond the reach of our main drones, and they keep their own forward positions and key objects on it well-fortified with well-positioned fire.
3/
“Accordingly, as soon as our forces start moving, they knock out an enemy stronghold with drones and go to capture it. The enemy then waits for our forces to enter and eliminates them along with the incoming troops.
4/
“Their drone operators, in turn, not only habitually scavenge on supply and reinforcement routes, but also catch our forces engaged in any activity near ‘formerly ours’ objects.
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“Add to this constant mining, including remote detonation, and the active use of ‘ambushers’ on the few (and well-monitored) logistical lines.
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“If our forces try to quickly deploy a second echelon - for example, drone operators - the enemy immediately launches a local tactical ‘offensive’ and, even at the cost of losing equipment and personnel, achieves its goal: …
7/
“…preserving the ‘kill zone’ between our forward positions and the nearest rear areas. In Kupiansk, for example, they successfully applied this tactic several times - which led to the current situation there.
8/
“Since this situation repeats itself not once or twice, our forces, at all levels, are increasingly less willing to advance at all, and they can be easily understood - it's an inevitable trade-off of kilometers covered for lives, and very valuable lives of soldiers: …
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“…those who actually know and are able to act in this very kill zone (the untrained ones will simply die without any result). Therefore, the problem of ‘map coloring’ is not just about headquarters' lies.
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“It's also about the difficult moral choice that commanders make: if I really go all out in an unprepared offensive now, I'll lose many people, but if I just send a few teams forward to plant flags and report on the drone footage about the physical presence at the necessary…
11/
“…positions - I'll save lives and equipment.

However, as a result, this leads to situations where it's impossible to request strikes on already ‘colored’ (i.e., ‘our own’ on the headquarters' maps) positions - …
12/
“…neither by artillery, nor by the Aerospace Forces, nor even by drones. Everything there is already ours! And as a result, we still have to pay with lives.”
13/13

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More from @GrandpaRoy2

Jan 13
Russian blogger Alexei Chadeyev continues his criticism of the Russian military by examining the drone forces.

“As for the unmanned systems troops - the doubts and concerns expressed by some combat-hardened officers when the troops were still…
1/ Image
“…just a ‘project’ are being confirmed. In fact, we see that experienced operators are being pulled out of existing "combat units" and placed under their own separate command.
2/
“As a result, if earlier a battalion or brigade commander could give targets to the drones during the battle and coordinate their work with ground operations, now, even when they are physically present in his sector, he has to go through…
3/
Read 10 tweets
Jan 8
A Russian blogger explains that thermal cameras are now the primary sensor on the Ukrainian battlefield.

“Modern warfare has completely shifted from the visual plane to the thermal one.
1/
“The experience of the Special Military Operation (SMO) has shown in practice that the battlefield today is controlled not by a soldier's eyes, but by the matrix of a thermal imager installed on a drone, which can hover over an area for days…
2/
“…and transmit images directly to the targeting system. Any position where there are people, equipment, batteries, generators, or simply life emits heat, and sooner or later it will be detected.
3/
Read 18 tweets
Jan 8
The RAND corporation has published a study of whether directed energy weapons (DEW) can be useful in Ukraine.
The study concluded that neither high-energy lasers (HEL) nor high-powered microwave systems (HPM) in their current state of development are suitable for Ukraine.
1/ Image
The technological readiness level (TRL) for HEL or HPM systems varies, but none are ready for mass production.
DEW weapons require enormous amounts of power, and lasers generate huge amounts of heat.
Atmospheric conditions can also significantly limit HEL effectiveness.
2/ Image
In summary, DEW should not be a priority for Ukraine.
The technology’s limitations (cost, energy consumption, dependence on conditions) make it unsuitable for current defense needs.
Investing in DEW is a diversion of resources from simpler and cheaper air defense systems.
3/ Image
Read 4 tweets
Jan 5
Ukrainian analyst Vasyl Pekhno summarizes an important article explaining Zelensky's rationale for the major government and military reshuffling.

“In ‘Ukrainska Pravda’, a major article was published about the fact that Zelensky has actually begun a complete reboot…
1/ Image
“…of the government - and this is not about one or two resignations, but about changing the entire configuration of the country's governance.
2/
“The article explains that after the departure of Andriy Yermak, the old system, in which all power was concentrated in one center of influence, ceased to function.
3/ Image
Read 14 tweets
Jan 4
This Russian “Geran-2” (Shahed) has a new antenna, apparently for navigation using radio beacons.
Ground-based VHF omnidirectional azimuth radio beacons (VOF) broadcast a reference signal in the 108–118 MHz range, while encoding azimuth bearing in a rotating variable signal.
1/ Image
The azimuth (radial angle) from the UAV to the station is determined by the phase difference between the reference signal and the narrowly directed variable signal.
This may be paired with DME (Distance Measuring Equipment) for a full position fix, independent of GPS.
2/ Image
Distance Measuring Equipment (DME) calculates the slant range distance between an aircraft and a ground station by timing the round trip of radio signals.
Radio line-of-sight is required for both systems, with ranges up to 200 km depending on the aircraft altitude.
3/ Image
Read 4 tweets
Dec 18, 2025
Logistics to the Ukrainian frontlines is increasingly being supplied by UGVs and heavy multirotor drones.
In one assault brigade, up to 40 tons per week are sent this way, representing 80% of total logistics delivered.
1/
UGVs in particular are replacing traditional logistics involving infantry and vehicular transport, which can no longer survive in the 20 km grey zone of constant aerial surveillance and FPV strikes.
Drones are attritable and save Ukrainian lives by replacing men with machines.
2/ Image
The Russians, however, have not developed significant numbers of heavy multicopters, and their UGVs are seen as demonstration rather than frontline vehicles.
Russian cargo soldiers know as “camels” die in great numbers while carrying supplies for the frontlines on their backs.
3/
Read 4 tweets

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