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HMS Duncan begins Portsmouth refit with new missile upgrades

9/7/2026

Summary

Story summary

HMS Duncan returned to Portsmouth to start a major refit.
The refit adds three Rolls-Royce MTU diesel generators under the Power Improvement Project.
Duncan will install 24 Sea Ceptor missiles in a forward silo, dedicating the magazine to Aster 30 missiles.
The upgrade includes Sea Viper Evolution, enhancing Sampson radar, command system and ballistic-missile defence.
Duncan was de-ammunitioned at DM Crombie, will complete de-storing, then be handed to BAE Systems.

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Story summary

HMS Duncan returned to Portsmouth to start a major refit.
The refit adds three Rolls-Royce MTU diesel generators under the Power Improvement Project.
Duncan will install 24 Sea Ceptor missiles in a forward silo, dedicating the magazine to Aster 30 missiles.
The upgrade includes Sea Viper Evolution, enhancing Sampson radar, command system and ballistic-missile defence.
Duncan was de-ammunitioned at DM Crombie, will complete de-storing, then be handed to BAE Systems.