Arab intermediaries, at the request of the US, have communicated Israel’s position to Tehran. But Iran, undeterred, appears focused on retaliation for the American strikes rather than de-escalation.

Relying on plutonium produced at Dimona, Israel has had the ability to fire nuclear warheads since the early 1970s, according to that article, co-authored by Hans M. Kristensen, director of the Nuclear Information Project with the Federation of American Scientists, and Matt Korda, a researcher at the same organization.

Israelis awoke on Sunday to a new reality after the United States military joined Israel’s war against Iran with a huge pre-dawn attack on three of its key nuclear sites. They were just confused about what that reality might be.