Israel’s reported strike January 18 on a joint Iranian-Hezbollah convoy driving on the Syrian Golan Heights was one of the most strategically significant events to have occurred in Israel’s neighborhood in recent months. Its significance lies both in what it accomplished operationally and what it exposed. From what been published to date about the identities of those killed in the strike, it is clear that in one fell swoop the air force decapitated the Iranian and Hezbollah operational command in Syria. The head of Hezbollah’s operations in Syria, the head of its liaison with Iran, and Jihad Mughniyeh, the son...