Cumbria

Thousand-tonne nuclear sub part driven through Barrow

Submarine part Image copyright PA/BAE Systems
Image caption The huge submarine part was driven for 20 minutes through the town of Barrow

An enormous, 1,000-tonne nuclear submarine part brought traffic to a standstill while it was slowly driven through a Cumbrian town.

The cylindrical unit is the heaviest ever moved by technology and defence giant BAE Systems.

Road blocks were in place while the unit was taken on its 20-minute journey from a new assembly shop in Bridge Road in Barrow to Devonshire Dock Hall.

The unit will form part of an Astute class nuclear-powered submarine.

The first three submarines of the seven-sub programme - HMS Astute, HMS Ambush and HMS Artful - are already in service.

Four more are in various stages of construction at Barrow - the Audacious, Anson, Agamemnon and Ajax.

Last month, it was announced BAE systems had been awarded a contract for a fifth submarine, taking the total value for work on the vessel to £1.3 billion.

The contract covers the design and remaining build, test and commissioning activities.

Manufacturing of the vessel began in 2010. HMS Anson is on schedule to begin sea trials in 2020.

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