Key facts
- All five of the UK's Astute class attack submarines are currently out of service.
- The submarines are undergoing maintenance and repair work.
- This situation occurs amid warnings of rising tensions with Russia.
The entire fleet of the United Kingdom's Astute class attack submarines is currently unavailable for deployment. All five vessels are in dock, awaiting various maintenance and repair works. This development represents a significant blow to Britain's naval capabilities, particularly in light of recent warnings from the Chief of Staff regarding escalating geopolitical tensions and the potential for increased aggression from Russia.