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.

Russian, Chinese and Iranian naval ships are drilling together in the Gulf of Oman as part of an annual exercise. Meanwhile the Russian Pacific Fleet’s flagship, cruiser RFS Varyag (011) and corvette RFS Sovershenny (333) departed Vladivostok on Tuesday for a deployment to the Asia Pacific.