The JCPOA’s Sunset Has Arrived — and Iran Just Proved It

Deputy Secretary General of the European External Action Service (EEAS) Enrique Mora and Iran’s chief nuclear negotiator Ali Bagheri Kani and delegations wait for the start of a meeting of the JCPOA Joint Commission in Vienna, Austria December 17, 2021. EU Delegation in Vienna/EEAS. Photo: Handout via REUTERS

On the night of March 20-21, 2026, Iran launched two ballistic missiles at the joint US-UK base on Diego Garcia, an atoll in the Indian Ocean nearly 4,000 kilometers from Iranian territory.