China, Iran and Russia have conducted joint naval drills in the Middle East. Called the Maritime Security Belt 2025, the exercises took place in the Gulf of Oman near the strategic Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all crude oil traded worldwide passes.

China, Iran and Russia conducted joint naval drills Tuesday in the Middle East, offering a show of force in a region still uneasy over Tehran's rapidly expanding nuclear program and as Yemen's Houthi rebels threaten new attacks on ships.

What were the objectives of the maneuvers? On Wednesday, the navies of Iran, Russia, and China completed the fifth edition of joint maneuvers in the Gulf of Oman waters.