спокойный сон

The commander of the B-29 plane that dropped the first atomic bomb, on Hiroshima in Japan, has died.
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In a 1975 interview he said: "I'm proud that I was able to start with nothing, plan it and have it work as perfectly as it did... I sleep clearly every night."
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Gen Tibbets had asked for no funeral nor headstone as he feared opponents of the bombing may use it as a place of protest, the friend, Gerry Newhouse, said.

BBC