They are confirming that the 1st Guard Tank was destroyed in the Kharkov offensive.
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It appears to be the return of the Chechens on the front lines. I see that regular Russian troops at the front appear to be in rather reduced numbers than in previous months. LDNR troops are fully mobilised, somewhere around 40,000-50,000, PMC Wagner and Chechens somewhere around 20,000-30,000, Russian regular soldiers seem to be on the order of 60,000-70,000, about half of the troops at the start of the war. That's the impression I have. Russian regular soldiers appear to offer support in artillery, air defence, logistics, communications, EW+ reconnaissance and special forces (including some VDV units), whereas mechanized and armored formations appear to be outnumbered.
Airborne early warning (A-50) and modern fighters (Su-30/35) did not prevent the AFU from taking airmobile assaults and anti-radar attacks. Reconnaissance aircraft, drones and high-resolution satellite imagery do not appear to have anticipated the Ukrainian advance on Kharkiv. Vast air power with precision missiles and anti-radiation did not serve to wipe the Ukrainian anti-air defense and artillery of western origin from the map. The air support of fixed wings (Su-25 and Su-34) and rotary (Mi-24/28/35, Ka-50/52) was also not enough to guarantee a very large imbalance in favor of Russian troops, even in offensive and defensive moves. On the contrary, it stopped advancing on the Donbas and retreated into Kharkiv.
In short, it was expected that all these means, force multipliers that Russia has at its disposal, would give it an astonishing qualitative advantage over the Ukrainians. Nothing resembling even the remotest terms of an operation like Desert Storm. I don't know about you, but the Russian advantage, at least in theory, would be such that it would allow for a glimpse of something of this proportion.