Multiple outlets report that the Royal Navy’s Astute-class attack submarine fleet is currently not operational because the boats are laid up in dock for maintenance and repair work. The reports describe a situation affecting all five submarines of the class, which are awaiting upkeep and other technical work rather than patrolling or conducting missions. The coverage also references concerns raised by senior defence leadership about the broader security environment, including remarks that Russia’s leadership is “raising the stakes,” suggesting a heightened focus on readiness. However, the specific articles provided primarily discuss the current maintenance status of the submarines rather than detailing any damage, delays, or confirmed implications for near-term operational capability beyond the fact that the fleet is undergoing dockside work. Overall, the accounts emphasize that the submarines are undergoing scheduled or required repairs and maintenance, and that this period reduces the number available for deployment.