Question: Do Astrid Thors and Sergei Preminin share the same nationality?
Sentence (from "Sergei Preminin"): Sergei Anatolievich Preminin( Russian: Сергей Анатольевич Преминин, 18 October 1965 – 3 October 1986) was a Soviet Russian sailor who, after an explosion aboard nuclear submarine" K- 219", prevented an impending nuclear meltdown by manually forcing damaged control rods into place.
Relevant evidence: Yes