The Ukrainian army conducted the world's first underground counter-offensive codenamed Veles, which used hidden tunnels to defend against Russian forces and managed to capture 30 soldiers and inflict over a hundred casualties on Russian troops. #OperaceVeles #UkrajinskáArmáda #PodzemníBoj (translated)
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Převezli jsme je. Ukrajina podnikla první podzemní protiofenzivu na světě
