A Blog by Jonathan Low


Aug 31, 2023

Why Ukraine's Counteroffensive Gains Are Now Accelerating

Adaptive Ukrainian tactics, cluster munitions effective against entrenched Russian infantry and reinforcements, counterbattery fire that has depleted Russian artillery, long range munitions which further degraded Russian logistics, and life-saving western infantry fighting vehicles have all contributed to the growing momentum of the Ukrainian counteroffensive. 

What will now be crucial is creating opportunities for a breakthrough by Ukrainian forces seizing more ground so their artillery can target Russia's occupied Ukrainian ports and using Leopard and Challenger tanks as well as additional armor. JL 

James Marson reports in the Wall Street Journal:

Ukrainians are fighting through Russian positions (at) Verbove (and) have reached the main defensive line south of Robotyne, raising hopes of a breakthrough. Ukrainian forces are now working to expand cracks in the line to create a hole large enough for armored vehicles to push through. Progress has accelerated in August as accurate counter-battery fire helped suppress Russian artillery, infantry advances seized trenches and Ukraine deployed fresh troops, including powerful units like the 82nd Air Assault Brigade, equipped with Stryker armored fighting vehicles. Cluster bombs are also having a significant impact. A breach at Verbove opens a path to Berdyansk and Mariupol, while progress south of Robotyne threatens Tokmak.

Ukrainian forces have penetrated the main Russian defensive line in their country’s southeast, raising hopes of a breakthrough that would reinvigorate the slow-moving counteroffensive.

Ukrainian paratroopers are fighting through entrenched Russian positions on the edge of the village of Verbove, a Ukrainian officer in the area said. Ukrainian forces have also reached the main defensive line to the south of nearby Robotyne village, he said. Ukraine’s military confirmed advances toward Verbove and south of Robotyne, without giving details.

Ukraine’s push southward

Russian-controlled area*

Russian fortifications


Area of detail







10 miles

10 km

Sea of Azov

*Russian-controlled area as of Aug. 30
Sources: Brady Africk, American Enterprise Institute (Russian fortifications); Institute for the Study of War and AEI’s Critical Threats Project (Russian-controlled area)

Describing the advance, the Ukrainian officer held up three fingers representing lines of attack through entrenched Russian positions on the western flank of Verbove, an agricultural village of some 1,000 residents before the war. The significance of the advance is that it marks the first time Ukraine has penetrated the main Russian defensive line, an extensive system of minefields, trenches and antitank obstacles covered by artillery.

Ukrainian forces are now working to expand the cracks in the line to create a hole large enough for Western-provided armored vehicles to push through with sufficient logistical support.

“It’s like inflating a ball,” the officer said.

Ukrainian advances in recent days have led to cautious optimism among Western intelligence services that Ukraine can retake the occupied city of Tokmak, a logistical hub for Russia, according to senior Western intelligence officials.

To be sure, there are still serious obstacles to turning the current penetration into a full-fledged breach. Russia is targeting Ukrainian troops there with heavy artillery fire directed by aerial drones, and there is no sign of a collapse in Russian lines. Russia appears to be sending reinforcements, including paratroopers, to help hold their positions.

Any breakthrough would be a major boost for Ukraine’s three-month-old counteroffensive, which has turned into a grinding, field-by-field advance rather than the lightning operation that Kyiv and its allies had envisaged.

The counteroffensive is aimed at slicing down to the Sea of Azov in Ukraine’s southeast, cutting Russian occupation forces in two and seizing back some of the nearly 20% of Ukrainian territory that Moscow holds. The West supplied Ukraine with hundreds of armored vehicles, including tanks, and trained thousands of troops for the operation.

During the early summer, Ukraine seized a handful of villages in the eastern Donetsk region and forced Russian troops back around the city of Bakhmut, but made little progress with its main push south toward the Sea of Azov from the city of Orikhiv.

Powerful Russian defenses thwarted initial assaults, so Ukraine switched to methodical advances by small teams on foot. The slow progress sparked intense behind-the-scenes debates between Washington and Kyiv over strategy and tactics.

But progress accelerated in August. Accurate counter-battery fire helped suppress Russian artillery. Infantry advances seized trenches and lines of trees along the edges of farm fields. Ukrainian troops took the village of Robotyne and pushed south toward Tokmak.

Ukraine deployed fresh troops, including powerful airborne units like the 82nd Air Assault Brigade, equipped with Western-made Stryker armored fighting vehicles. In recent days, Ukrainian forces fought their way into the outskirts of Verbove, posing what now appears to be the biggest threat to Russian lines.

The advance is facing fierce resistance. The Ukrainian officer said the Russians were so well dug in that his men found carpets and pictures hung on the walls of dugouts that they captured. They are facing elite Russian forces, including the 7th Guards Air Assault Division.

Russia is targeting Ukrainian troops and vehicles using heavy artillery fire guided by aerial drones and explosive drones directed from the ground by pilots wearing video goggles. In some places, there are so many drones flying that the Ukrainians call the phenomenon “Boryspil,” after the country’s main international airport in Kyiv.

U.S.-supplied cluster bombs are having a significant impact, soldiers said. Ukrainians on the offensive are using the munitions—which release dozens of smaller bomblets and can cause devastation over a broader area than ordinary artillery shells—to target Russian troops running across open ground, either to flee or to provide reinforcements.

Ukraine’s aim is to create a corridor through the Russian lines, pushing enemy artillery back far enough to allow Western-provided armored vehicles to move through the gap and receive supplies.

The bulge in the front line south of Orikhiv could allow Ukraine to move forward artillery and target Russian positions that were previously out of range.

A breach at Verbove could open a path to the Russian-occupied port cities of Berdyansk and Mariupol, while progress south of Robotyne could threaten Tokmak. Still, Russia has significant fortifications in the southeast, including a second thick defensive line.

For now, the Ukrainians must resupply front-line troops on foot or, at best, using motorcycles, all-terrain buggies or pickup trucks, rather than Western-supplied armored vehicles, which attract massive fire as soon as they appear on the battlefield.

“Western armored vehicles are not a panacea,” the officer said.

Ukrainian troops that manage to overtake Russian trenches but can’t occupy them instead set them afire because they can’t carry away abandoned weapons and ammunition, and don’t want Russians potentially retaking any equipment later.

Even small vehicles, used to avoid attracting attention, are vulnerable. The Ukrainian officer traveled by buggy in the direction of Verbove on Monday to retrieve the bodies of men who had been killed. As he sheltered in a trench to check his route, a Russian antitank missile hit his vehicle, leaving it a smoking wreck. His men carried the bodies out on foot, he said.


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