A Blog by Jonathan Low

 

Sep 21, 2026

To Accelerate Russian Lyman Retreat Ukraine Air Drops Ground Drones Behind Lines

As more information is becoming available about Ukraine's 3rd Corps counteroffensive, called Operation Vivaldi, in the Lyman area, one of the latest revelations is that the 3rd Corps used large aerial drones to drop ground drones behind Russian lines.

This tactic not only caused confusion and panic, but served to divert Russian fire away from advancing Ukrainian infantry and armor. The counteroffensive has now retaken 125 square kms and has forced the Russians to redeploy troops from its primary focus on the Fortress Belt. JL

Olena Mukhina reports in the Euromaidan Press:
Ukraine's 3rd Corps dropped ground robots behind Russian lines from the air, its heavy drones delivered kamikaze unmanned ground vehicles more than 10 kilometers into the Russian rear during the "second season" of Operation Vivaldi, in the Lyman sector, letting Ukrainian troops flank them and clear another 40 square kilometers. In assault operations, drones and ground robots go ahead of the infantry. As the assault groups advanced amid the operation, Ukrainian air defense and electronic warfare threw a protective dome over the battle area, blinding Russian drones so they could not read the operation's design.  Meanwhile, artillery and strike drones hit command posts, communications nodes, logistics, crossings, and reserves, letting Ukrainian units dig in on the ground they had taken. The 3rd Corps and attached units have retaken more than 125 square kilometers, half of it de-occupied outright, and inflicted more than 3,000 casualties on Russian forces. 

For the first time, Ukraine has dropped ground robots behind Russian lines from the air. The 3rd Army Corps, behind the mission, says its heavy drones delivered kamikaze unmanned ground vehicles more than 10 kilometers into the Russian rear during the "second season" of Operation Vivaldi, letting Ukrainian troops flank them and clear another 40 square kilometers.

Vivaldi is the counteroffensive the corps is running near Lyman in northern Donetsk. Over its first two "seasons," the 3rd Army Corps and attached units have retaken more than 125 square kilometers, half of it de-occupied outright, and inflicted more than 3,000 casualties on Russian forces.

The operation, run under an information blackout for months, has also disrupted Russia's push and, the Institute for the Study of War found, its plan to encircle the fortified belt of Donetsk cities.

Brigadier General Andrii Biletskyi, corps commander, has said the operation, which he named after Vivaldi's Four Seasons, will run through four phases, and only two have been completed. The air-dropped robot is the newest report on how the corps fights. 

Machines go first, infantry follows 

The corps casts the tactic as a means of expending robots rather than people.

"In assault operations, drones and ground robots always go ahead of the infantry," Biletskyi says.

The 3rd Army Corps was the first in the world to begin air-dropping ground robotic systems. Our heavy bombers deliver kamikaze robots more than 10 kilometers into the Russian rear.

Wars are won by infantry, one of the corps' soldiers added, "but we protect ours, so the robots go to the enemy first."

A dome hides the assault

As the assault groups advanced amid the operation, Ukrainian air defense and electronic warfare threw a protective dome over the battle area, blinding Russian drones so they could not read the operation's design.

Meanwhile, artillery and strike drones hit command posts, communications nodes, logistics, crossings, and reserves, letting Ukrainian units dig in on the ground they had taken.

On the Lyman axis, the corps says it freed the villages of Shandryholove and Derylove and took control of Drobysheve, and that Vivaldi has kept Russia from shifting significant forces to the Kupiansk front.

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