What will defence review mean for Portsmouth?

The BBC's Jonathan Beale reports from HMS Dauntless on how the strategic defence and security review will affect Portsmouth.

The strategic defence and security review - or SDSR - will decide the future shape and size of Britain's armed forces.

It is meant to be driven by the government's strategic vision of Britain's place in the world, addressing the threats and risks the country is likely to face in the future.

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