When Israel launched its series of strikes against Iran last week, it also issued a number of dire warnings about the country’s nuclear program, suggesting Iran was fast approaching a point of no return in its quest to obtain nuclear weapons and that the strikes were necessary to preempt that outcome.

The Israeli military reports that it damaged an underground area of Iran's uranium enrichment facility at Natanz that contained a "multi-story enrichment hall with centrifuges, electrical rooms and a...