In 1945 Japan, it was a useful weapon. Way more would have been lost on both sides in an invasion of the Japanese mainland.

Can't think of a single time since then when nukes would have had a net upside. Whataya know: all world leaders have de-facto concurred with that.

This talk of nuking the bastids is cheap.

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1986 300SDL, 362K
1984 300D, 138K