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Ukraine War
Riding the Westerlies: Ukraine’s Strategic Use of Balloons Against Russia
How inexpensive helium aerostats have become a persistent asymmetric tool for saturating defences, extending drone reach, and probing Russian rear areas.
Ukraine’s use of balloons — both simple weather-type helium aerostats and more sophisticated systems — illustrates a characteristic feature of the current war: the rapid adaptation of inexpensive, low-technology platforms to exploit geographic and operational asymmetries.
Since at least 2024, and with marked intensity from 2025 into 2026, Ukrainian forces have launched well over a thousand such balloons into Russian airspace. They function variously as radar decoys, carriers for attack drones, communications relays, and, in emerging programmes, launch platforms for specialised munitions.
Prevailing westerly winds provide a natural one-way vector that Russia cannot readily reverse, while the balloons’ modest cost and low radar signature complicate the economics of interception. Although not a decisive capability on their own, they form part of a broader effort to impose cumulative friction on Russian air defences, logistics and infrastructure.
