May 28 — Ukrainian mid-range and frontline drone attack campaigns are limiting Russia’s ability to transport personnel and supplies to its frontline positions, said the Institute for the Study of War (ISW).

Analysts said that Ukrainian forces began intensifying their intermediate-range strike campaign in spring 2026. During this period, they achieved operational effects, including degrading Russia’s ability to use the key ground lines of communication (GLOCs) connecting Russia to occupied Crimea (the M-14 Rostov-Crimea highway) and GLOCs connecting occupied southern Ukraine to Donetsk.

On May 27, Mykhailo Fedorov, the Ukrainian Defense Minister, said that Ukraine launched a “logistics lockdown” to scale its middle-range strike campaign against Russian logistics and supply lines. The Ukrainian Ministry of Defense will increase procurement funding for Ukraine’s drone units and launch competitive tenders for further funding.

ISW also noted Ukrainian tactical drone overmatch in some frontline sectors:

“Ukrainian drone reconnaissance and frontline strikes have undermined the success of the infiltration missions on which Russian forces have relied to advance for the past several months,” said analysts.

In summary, ISW said that Ukrainian forces have created a deep zone of drone activity from the intermediate range to the frontline, and it is unclear that additional reserve mobilization would materially improve Russian forces’ battlefield performance unless Russian forces can first counter Ukrainian drone operations.

Earlier, Ukraine presented a new Shahed-type kamikaze drone called Behemot with a flight range of more than 300 kilometers (186 miles) and two warheads.

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