Ukraine Project

The Ukrainian counteroffensive out of Kharkiv city may disrupt Russian forces northeast of Kharkiv and will likely force Russian forces to decide whether to reinforce positions near Kharkiv or risk losing most or all of their positions within artillery range of the city. Ukrainian Commander-in-Chief Valerii Zalyzhnyi stated on May 5 that Ukrainian forces are transitioning to counteroffensive operations around Kharkiv and Izyum, the first direct Ukrainian military statement of a shift to offensive operations. Ukrainian forces did not make any confirmed advances in the last 24 hours but repelled Russian attempts to regain lost positions. Russian forces made few advances in continued attacks in eastern Ukraine, and Ukrainian forces may be able to build their ongoing counterattacks and successful repulse of Russian attacks along the Izyum axis into a wider counteroffensive to retake Russian-occupied territory in Kharkiv Oblast.

The Kremlin is establishing economic, governmental, and informational control over occupied Ukrainian territory, indicating that Russia may be preparing to create a series of Russian proxy “people’s republics” and/or to directly annex some occupied Ukrainian territory. Russian forces are transitioning occupied territories to use the Russian ruble. Occupying military forces do not typically replace local currencies, but Russia’s proxies in occupied Ukrainian territory, the Donetsk and Luhansk People’s Republics (DNR and LNR), have used rubles in some capacity since 2015. Russian forces are also likely planning to falsify “independence referendums” to create new proxy republics or to annex occupied territories into the DNR, LNR, or Russia itself. To that end, Russian forces are supplanting local governance and beginning to establish greater control over Ukrainian communications and culture in occupied areas.

Ukrainian defenses have largely stalled Russian advances in Eastern Ukraine. Russian troops conducted a number of unsuccessful attacks in Eastern Ukraine on May 4 and were unable to make any confirmed advances. Russian forces attacking south of Izyum appear increasingly unlikely to successfully encircle Ukrainian forces in the Rubizhne area. Ukrainian forces have so far prevented Russian forces from merging their offensives to the southeast of Izyum and the west of Lyman, Slovyansk, and Kramatorsk, as Russian forces likely intended.

Ukrainian officials reported with increasing confidence that the Kremlin will announce mobilization on May 9. Ukraine’s Main Military Intelligence Directorate Chief Kyrylo Budanov said on May 2 that the Kremlin has begun to prepare mobilization processes and personnel ahead of the expected May 9 announcement and has already carried out covert mobilization. Ukraine’s National Security and Defense Council said that high-ranking Russian officials are trying to legitimize a prolonged war effort as the Third World War against the West, rather than the "special military operation” against Ukraine, as Russian President Vladimir Putin has hitherto framed Russia’s invasion. ISW has no independent confirmation of Russian preparations for mobilization.

Russian forces did not conduct any confirmed ground attacks in Ukraine on May 2. The April 30 Ukrainian artillery strike on the Russian command post in Izyum may be continuing to disrupt Russian efforts on the Izyum axis. Russian troops on the Donetsk-Luhansk frontline and Southern Axis continued to regroup, likely in preparation for renewed offensives or to resist or reverse Ukrainian counter-offensives.

Further Russian reinforcements to the Izyum axis are unlikely to enable stalled Russian forces to achieve substantial advances. Elements of unspecified Eastern Military District units and several air-defense assets are reportedly deploying from Belgorod to the Izyum front to support likely degraded Russian units attempting to advance south of the city. These forces are unlikely to enable Russian forces to break the current deadlock, as Russian attacks remain confined to two major highways (toward Slovyansk and Barvinkove) and cannot leverage greater numbers. Several successful Ukrainian counterattacks out of Kharkiv city in the last 72 hours have additionally recaptured a ring of suburbs north and east of the city and may additionally force Russian forces to redeploy units intended for the Izyum axis to hold these positions. Russian forces appear increasingly unlikely to achieve any major advances in eastern Ukraine, and Ukrainian forces may be able to conduct wider counterattacks in the coming days.

Russian forces made limited advances west of Severodonetsk on April 29 but remain stalled south of Izyum. Ukrainian forces in eastern Ukraine are likely successfully conducting a maneuver defense rather than holding static positions, redeploying mechanized reserves to resist attempted Russian advances. Concentrated Russian artillery is enabling minor Russian advances, but Ukrainian positions remain strong. Limited Ukrainian counterattacks around Kharkiv city may additionally force Russian forces to redeploy units intended for the Izyum axis to hold these positions.

Russian forces have adopted a sounder pattern of operational movement in eastern Ukraine, at least along the line from Izyum to Rubizhne. Russian troops are pushing down multiple roughly parallel roads within supporting distance of one another, allowing them to bring more combat power to bear than their previous practice had supported. Russian troops on this line are making better progress than any other Russian advances in this phase of the war. They are pushing from Izyum southwest toward Barvinkove and southeast toward Slovyansk. They are also pushing several columns west and south of Rubizhne, likely intending to encircle it and complete its capture. The Russian advances even in this area are proceeding methodically rather than rapidly, however, and it is not clear how far they will be able to drive or whether they will be able to encircle Ukrainian forces in large numbers.

Russian forces conducted precision missile strikes against five Ukrainian railway stations in central and western Ukraine on April 25 in a likely effort to disrupt Ukrainian reinforcements to eastern Ukraine and Western aid shipments. A series of likely coordinated Russian missile strikes conducted within an hour of one another early on April 25 hit critical transportation infrastructure in Vinnytsia, Poltava, Khmelnytskyi, Rivne, and Zhytomyr oblasts. Russian forces seek to disrupt Ukrainian reinforcements and logistics. The Kremlin may have additionally conducted this series of strikes—an abnormal number of precision missile strikes for one day—to demonstrate Russia’s ability to hit targets in Western Ukraine and to disrupt western aid shipments after US Secretary of Defense Lloyd Austin and US Secretary of State Antony Blinken’s surprise visit to Kyiv over the weekend. However, Russian precision strike capabilities will remain limited and unlikely to decisively affect the course of the war; open-source research organization Bellingcat reported on April 24 that Russia has likely used 70% of its total stockpile of precision missiles to date.

Russian offensive operations in eastern Ukraine made minor advances around Severodonetsk on April 24, seizing several small towns and establishing a pontoon bridge across the Krasna River west of Severodonetsk. Russia’s offensive in eastern Ukraine continues to follow the pattern of their operations throughout the war, using small units to conduct dispersed attacks along multiple axes rather than taking the pauses necessary to prepare for decisive operations. Russian forces continued to bombard the remaining Ukrainian defenders in Mariupol’s Azovstal Steel Plant and may be preparing for renewed assaults on the facility, which would likely lead to high Russian casualties. The military situation in southern Ukraine did not change in the last 24 hours.