Dispatch of volunteers and mobilized personnel from Orenburg for training in Rostov Oblast. Russia. Orenburg. A Cossack volunteer during his dispatch for training to Rostov Oblast and subsequently as part of the combined Cossack detachment "Yermak" to the zone of the special military operation. Russian President Vladimir Putin signed a decree on September 21 on conducting partial mobilization in the country; mobilization activities are expected to conclude by early November.