What could the United States' blockade in the Strait of Hormuz look like and what impact might it have? Here's what to know.

Former Ambassador-at-Large Nathan Sales and former naval aviator Gregory Glaros discuss CENTCOM’s announcement that the U.S. blockade in the Strait of Hormuz is being ‘fully enforced’ on ‘The Sunday Briefing.

Iran's near-complete closure of the vital trade artery ‌since the joint Israeli-U.S. airstrikes on the country on February 28 has sent shockwaves through global energy markets

U.S. President Donald Trump on Sunday called Iran's response to the latest American proposal to aimed at ending war "totally unacceptable."

Iranian foreign ministry spokesman Esmaeil Baghaei said Iran is still looking over a proposal from the U.S. regarding an end to the war, adding that Tehran will not respond to “deadlines or ultimatums" and that those "mean nothing.

Donald Trump's team believes it is 'closest' it has ever been to a peace deal with Iran, which would reportedly see both sides lifting restrictions on transit through the Strait of Hormuz

The U.S. conducted strikes against at least two locations in Iran on Thursday, a U.S. official said. The strikes in Bandar Abbas and Qeshm Island were defensive, the official said, and do not constitute a resumption of major combat operations against Iran.

US naval forces and Iranian forces exchanged fire in the Strait of Hormuz. President Donald Trump confirmed three American destroyers passed through the waterway under attack. Iran's IRGC claimed to have targeted US vessels after the US Navy fired on an Iranian oil tanker.