The 1986 accident at the Chernobyl nuclear power plant was one of the worst man-made catastrophes ever, and the worst event in the history of the Soviet Union other than the 1941 German invasion during WWII.
Quite improbably, a vehicle of that war played a very minor role in the 1986 event.
(ISU-152s of the Soviet army during WWII.)
(A German road sign points east towards Chernobyl during the “Barbarossa” operation in 1941.)
(Liquidators (cleanup workers) with a ISU-152 at the disaster in 1986.)
(ISU-152 in Pripyat, Ukraine during 2018, with the New Safe Containment (NSC) structure of the former Chernobyl nuclear power plant in the background.)