Naval forces in the Middle East warned that ships, especially U.S.-linked ones, could be at heightened risk after the U.S. strikes on Iran.

When looking at a map, the Strait of Hormuz might not seem all that impressive. It’s just a slim waterway squeezed between Iran and Oman. But don't let the size fool you. This narrow passage is one of the most important shipping routes on the planet.

Iran controls the Northern side of the Strait of Hormuz, a passage which sees significant global trade pass through daily. If it so wished, Iran could block vessels from journeying through, or disrupt trade by seizing and attacking shipping containers and oil or gas tankers in the area.