Liquidation of the consequences of the Chernobyl nuclear power plant accident

USSR. Ukrainian SSR. Kiev region. Vladimir Alekseevich Istomin, a driver of a radio-controlled tractor DET-250 from the Ladyzhyn State District Power Plant in Vinnytsia region, at a temporary testing ground for equipment designed to operate in the area of the damaged reactor at the V. I. Lenin Chernobyl Nuclear Power Plant. On April 26, 1986, an explosion occurred at the fourth power unit of the NPP during equipment testing during a reactor shutdown for routine preventive maintenance. Valery Zufarov/TASS