The UK joined forces with the United States, Japan and other allies to form the huge naval fleet in the Indo-Pacific region

11:53, Mon, Aug 11, 2025 Updated: 12:01, Mon, Aug 11, 2025

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The HMS Prince of Wales has led one of the world's strongest naval fleets. (Image: Getty)

A UK aircraft carrier joined vessels from Japan and the United States to form one of the world's strongest fleets following huge naval drills carried out by Russia.

This show of military might took place in the Northern Philippine Sea as part of Operation Highmast, led by the UK Carrier Strike Group (CSG).

The eight-month global deployment aims to allow the Royal Navy to integrate with allied systems and carry out drills across the Indo-Pacific and Mediterranean regions.

Operation Highmast's latest excursion follows Russia's July Storm exercises, which involved more than 150 ships and 15,000 personnel across multiple fleets around the world's seas and oceans.

Russian President Vladimir Putin authorised July Storm, overseen by Admiral Alexander Moiseyev, to test the readiness of the nation's navy, practising deployment to potential combat zones, anti-submarine warfare, protecting bases and shipping routes, and stopping attacks from enemy drones and aircraft.

Queen Elizabeth-class carrier HMS Prince of Wales was joined by two US carriers, including the US Nimitz-class supercarrier and Japan's JS Kaga carrier, to form potentially the world's strongest current operational naval force.

Each carrier vessel featured fighter jets, helicopters and supporting craft as dozens of combat aircraft flew overhead the group, which also included a US Wasp/America-class amphibious assault ship.

The CSG will carry out joint training with the US Navy, Japan's Maritime Self-Defense Force and the Australian Defence Force throughout Operation Highmast.

Various port visits and drills have been drawn up to test the partnership's readiness for multiple battle scenarios as well as integrated air operations featuring 617 Squadron's F-35B Lightning II jets and anti-submarine warfare.

"The significance of this mission and its implications for global security are paramount," the Royal Air Force stated, describing the operation in June.

"This operation is critical for ensuring a secure future for all NATO members and like-minded global allies. Through collaboration and innovation, the UK and its partners are poised to address future challenges with confidence and resilience."

Last week, the HMS Prince of Wales took on supplies, receiving food, engineering parts and ammunition for the first time since departing the UK in April.

Known as Replenishment at Sea (RAS) in the military, the flagship carrier was "resupplied with fuel by Royal Fleet Auxiliary tanker RFA Tidespring on her portside and with munitions and provisions by the US Navy’s USNS Wally Schirra on the starboard," according to the Royal Navy.

The CSG will traverse some of the most strategically contested waters in the world in a high-profile demonstration of freedom of navigation as it continues towards Japan.

Images released by the allied nation's Maritime Self-Defense Force show the three nations’ carriers and guards in formation as allied aircraft and helicopters filled their decks.

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