Prince Harry is to take part in a Cold Chamber training exercise with the British Walking With The Wounded South Pole Allied Challenge team today.
The operation aims to simulate the extreme conditions Harry and the team will face when the trek to the South Pole in November 2013.
In the specially-designed chamber, participants will use cross-trainers to ape the cross-country skiing necessary to reach the team's goal later this year.
More top news
YouTube superstar Alfie Deyes got a sense of how far he has come when thousands of fans descended on his latest book signing in London.
The last blog from woman about her final days after she was diagnosed with cancer - and the things she valued in life - has gone viral.
Ed Miliband would rather discuss working families and the NHS, but the question of English 'home rule' looms large over Labour's conference.