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Ukraine’s northern Kharkiv counteroffensive has not yet culminated after one month of successful operations and is now advancing into western Luhansk Oblast. Ukrainian forces captured Hrekivka and Makiivka in western Luhansk Oblast (approximately 20 km southwest of Svatove) on October 5.[1] Luhansk Oblast Head Serhiy Haidai reported that Ukrainian forces have begun liberating unspecified villages in Luhansk Oblast on October 5.[2] Ukrainian forces began the maneuver phase of their counteroffensive in Kharkiv Oblast— which has now reached Luhansk Oblast—on September 6.[3] Russian forces have failed to hold the banks of the Oskil and Siverskyi Donets rivers and leverage them as natural boundaries to prevent Ukrainian forces from projecting into vulnerable sections of Russian-occupied northeast Ukraine. The terrain in western Luhansk is suitable for the kind of rapid maneuver warfare that Ukrainian forces used effectively in eastern Kharkiv Oblast in early September, and there are no indications from open sources that the Russian military has substantially reinforced western Luhansk Oblast. Ukraine’s ongoing northern and southern counteroffensives are likely forcing the Kremlin to prioritize the defense of one area of operations at the expense of another, potentially increasing the likelihood of Ukrainian success in both.

Ukrainian forces continued to make significant gains in Kherson Oblast while simultaneously continuing advances in Kharkiv and Luhansk oblasts on October 4. Ukrainian forces liberated several settlements on the eastern bank of the Inhulets River along the T2207 highway, forcing Russian forces to retreat to the south toward Kherson City. Ukrainian forces also continued to push south along the Dnipro River and the T0403 highway, severing two Russian ground lines of communication (GLOCs) in northern Kherson Oblast and forcing Russians south of the Kherson-Dnipropetrovsk Oblast border toward the Beryslav area. Ukrainian military officials noted that the Ukrainian interdiction campaign is crippling Russian attempts to transfer additional ammunition, reserves, mobilized men, and means of defense to frontline positions. Ukrainian forces also continued to advance east of the Oskil River in Kharkiv Oblast, and Russian sources claimed that battles are ongoing near the R66 Svatove-Kreminna highway.

Ukrainian forces continued to make substantial gains around Lyman and in Kherson Oblast in the last 48 hours. Ukrainian and Russian sources reported that Ukrainian troops made significant breakthroughs in northern Kherson Oblast between October 2 and 3. Geolocated footage corroborates Russian claims that Ukrainian troops are continuing to push east of Lyman and may have broken through the Luhansk Oblast border in the direction of Kreminna. As ISW has previously reported, the Russian groupings in northern Kherson Oblast and on the Lyman front were largely comprised of units that had been regarded as among Russia’s premier conventional fighting forces before the war. Elements of the 144th Motorized Rifle Division of the 20th Combined Arms Army reportedly withdrew from Lyman to rear positions near Kreminna before October 2. Russian sources previously reported that elements of the Russian Airborne Forces (VDV), especially the 76th Guards Air Assault Division, are active in Kherson Oblast. Both the 144th Motorized Rifle Division and the 76th Guards Air Assault Division were previously lauded as some of Russia’s most elite forces, and their apparent failures to hold territory against major Ukrainian counter-offensive actions is consistent with ISW’s previous assessment that even the most elite Russian military forces are becoming increasingly degraded as the war continues. This phenomenon was also visible in the collapse of the 4th Tank Division of the 1st Guards Tank Army earlier in the Kharkiv counter-offensive.

This campaign assessment special edition focuses on dramatic changes in the Russian information space following the Russian defeat around Lyman and in Kharkiv Oblast and amid the failures of Russia’s partial mobilization. Ukrainian forces made continued gains around Lyman, Donetsk Oblast, and have broken through Russian defensive positions in northeastern Kherson Oblast. Those developments are summarized briefly and will be covered in more detail tomorrow when more confirmation is available.