‘Private Pivovarov is on Assignment’: How Russia Hides its Military Casualties Accounting procedures in the Russian military make it easy to conceal losses. The Moscow Times April 6, 2022 Sergey Bobylev / TASS The parents of serviceman Stanislav “Stas” Pivovarov had been trying for almost two weeks to find their 21-year-old son, who was sent to Ukraine in February. In late March, the soldier's m..