PISKY, Ukraine - Sergei I. Reuta was in many ways typical of the15,000 to 18,000 volunteers who, loosely organized in about 30 battalions, have emerged as the backbone of the Ukrainian military in the war in southeastern Ukraine.
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Ukrainian servicemen on Dec. 8 fire a mortar from their position near in Pisky village near the Donetsk airport, the scene of fierce fighting with Russian-backed separatists.