US Fifth Fleet

The US Fifth Fleet is the US Navy formation permanently assigned to the Middle East, headquartered at Naval Support Activity Bahrain and reporting up through CENTCOM. It holds operational command over the Persian Gulf, Red Sea, Gulf of Oman, and Arabian Sea, placing Bahrain at the centre of American power projection in the region. Since the war opened on 28 February 2026 the fleet has been the execution Arm of the Hormuz blockade: the USS Spruance, an Arleigh Burke-class guided missile destroyer operating under Fifth Fleet / CENTCOM, intercepted the Iranian-flagged cargo ship Touska in the Gulf on 19 April 2026.

The fleet coordinated the opening CENTCOM strikes on Iran's Hormuz coastal defences, including GBU-72 Advanced 5K Penetrator munitions deployed from 19 March. It has sustained Iranian missile and drone campaigns against Bahrain: 86 missiles and 148 drones intercepted in the first nine days, climbing to 234 projectiles by early March, including a direct Iranian strike on the Fifth Fleet headquarters in Manama on 5 March. British forces were stationed within a few yards of impact sites, per UK Defence Secretary John Healey. On 20 April 2026 a Macron-Starmer joint statement reclassified the 51-nation Hormuz Coalition (the "Northwood Coalition") from planning to established, giving the Fifth Fleet a formal multilateral umbrella.

The fleet is the blockade-execution Arm whose public claims are under scrutiny. CENTCOM commander Admiral Brad Cooper asserted US forces had "completely halted" Iranian oil exports on 15 April, a claim Windward and Kpler maritime data contradicted within 48 hours. Bahrain's hosting of the fleet is both strategic asset and standing target: striking civilian towers in Manama rather than the base signals Iran's calculation that a direct hit would trigger an overwhelming US response, while Gulf hosts watch American convoy capacity fall short of what industry asked for.