From what I’ve read he believed the U.S. should nuke them before they developed a nuclear bomb. He was extremely worried about nuclear catastrophe once multiple powers had nukes. He also advocated for bombing Kyoto instead of Hiroshima and Nagasaki reasoning that the disastrous result would prevent countries from using nuclear weapons or even developing them.
From what I’ve read he believed the U.S. should nuke them before they developed a nuclear bomb. He was extremely worried about nuclear catastrophe once multiple powers had nukes. He also advocated for bombing Kyoto instead of Hiroshima and Nagasaki reasoning that the disastrous result would prevent countries from using nuclear weapons or even developing them.
The latter two of those things don’t necessarily imply the first thing, though.