British Submarine Deployed to Arabian Sea Amid Rising Tensions

The British Navy has deployed HMS Anson, a nuclear-powered submarine equipped with Tomahawk missiles, to the Arabian Sea amid escalating tensions in the Middle East. This strategic move comes as Iran continues its blockade of the Strait of Hormuz, a critical maritime route for global oil supplies. The submarine's capabilities allow it to strike targets from significant distances, raising concerns about potential military actions. The UK government has authorized the US to use its bases for strikes against Iranian threats, highlighting the seriousness of the situation. Read on to learn more about the implications of this deployment and the ongoing geopolitical dynamics in the region.

By Narendra Chaudhary Mar 22, 2026, 14:41 IST

Deployment of HMS Anson in the Arabian Sea

A British Navy submarine, HMS Anson, equipped with Tomahawk cruise missiles, has been sent to the Arabian Sea as tensions in the Middle East escalate into their third week. The nuclear-powered submarine set sail from Perth earlier this month, covering approximately 5,500 miles to reach its destination, as reported by military sources.

HMS Anson is armed with Tomahawk Block IV missiles and Spearfish heavyweight torpedoes, enabling it to engage targets located up to 1,000 miles (1,600 km) away. This submarine is the fifth in the Astute Class, joining its predecessors HMS Astute, Ambush, Artful, and Audacious. The Astute Class is recognized as the largest and most advanced attack submarine fleet operated by the UK Navy, known for its stealth, firepower, and endurance.

Positioned strategically near the conflict area, Anson may be poised to conduct strikes on Iran should the situation deteriorate further. The British Ministry of Defence has yet to provide an official statement regarding this deployment.

This action coincides with Iran's ongoing blockade of the Strait of Hormuz, a vital maritime route that significantly impacts global oil and energy supplies. A coalition of twenty-two nations, including the UK, has condemned Iran's aggressive actions against shipping in the Gulf and the closure of this crucial strait.

HMS Anson had previously arrived in Australia as part of the trilateral AUKUS security partnership involving Australia, the UK, and the US. The submarine periodically surfaces to maintain communication with the UK’s Permanent Joint Headquarters in Northwood, London, where any orders for missile launches would be authorized by Prime Minister Keir Starmer and communicated through the Chief of Joint Operations.

This deployment also follows the British government's approval for the US to utilize UK bases for potential strikes against Iranian targets that pose a threat to the Strait of Hormuz.