Liquidation of the consequences of the Chernobyl accident

USSR. Ukrainian SSR. Kiev region. Mi-8 helicopter crew commander, 1st class military pilot, captain G. Antimonov, 2nd pilot, 3rd class military pilot, senior lieutenant V. Surkov and flight engineer A. Dranoy (from right to left), who were decontaminating the area around the V. I. Lenin Chernobyl Nuclear Power Plant after the nuclear accident. On April 26, 1986, an explosion occurred at the fourth power unit of the NPP during equipment testing during the reactor shutdown for routine preventive maintenance. Valery Zufarov/TASS