How the Oct. 7 attacks led to a multiyear destruction of Iran’s proxy militias

As Israel unleashed a sweeping military response to the brutal Oct. 7, 2023, assault by Hamas, it aimed punch after punch at the power of Iran, the militant group’s longtime sponsor, and its other proxies and allies in the region.

The result has been a rapid and systematic degradation of Iran’s clout across the Middle East over the past 2½ years, a seismic change that led directly to this weekend’s devastating attacks on Iran by the United States and Israel.

“Certainly the Oct.