A team made up of Royal Navy and Royal Marine participants is about to embark on an Antarctic endurance expedition.
 
The six week challenge is inspired by a 3,000-mile naval journey that took place a century ago.
 
They will be replicating the exploration of the Antarctic undertaken by former Royal Navy man, Ernest Shackleton, a century ago.
 
Kate Wathall went to Portsmouth to meet two of the team members.
 

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