Kammala jumla mai zuwa: Kobzev ya shiga cikin warware wasu manyan matsalolin gaggawa, musamman a sakamakon hatsarin Garbuzovo Antonov An-148 a shekarar 2011 a Belgorod Oblast, ya shiga cikin aikawa da jerin gwano tare da taimakon jin kai zuwa yankin Kudancin Ossetia a lokacin yakin basasa.
Yaƙin Rasha da Georgia, ya shiga cikin kashe gobarar daji a cikin Voronezh Oblast a cikin 2018, ya jagoranci aikin karɓar 'yan gudun hijirar daga Ukraine a yankin Voronezh a cikin 2014, kuma ya magance sakamakon hatsarin jirgin saman Saratov Airlines Flight 703 a Moscow Oblast a cikin 2018.