Entire UK attack submarine fleet unfit for service – media All five of the Royal Navy’s operational Astute-class attack submarines are currently unavailable due to maintenance and repairs, leaving the fleet without a deployable hunter-killer boat. This situation has led British commanders to fear the navy appears ‘toothless’ against a supposed Russian threat. Concerns about the state of the submarine fleet and other naval assets have been raised by former officials and are occurring amid heightened tensions and warnings about a potential confrontation with Russia.

• All five of the UK’s operational Astute-class attack submarines are in port awaiting maintenance and repairs.
• The Royal Navy is currently without a deployable hunter-killer submarine.
• Former naval commanders express concern that this leaves Britain ‘toothless’ against potential Russian aggression.
• This follows previous reports in 2023 about similar issues with the submarine fleet, citing maintenance delays and personnel shortages.
• The reports emerge as British officials warn of a significant threat from Russia, described as the most dangerous period since the Cold War.