Wounded soldiers train in Iceland for South Pole race
Three teams of injured servicemen and women from around the world are training for an international race across Antarctica.
Many are missing limbs, and one, US Army Capt Ivan Castro, is totally blind after losing his sight to a mortar bomb in Iraq.
They have been battling the bitter cold of Iceland in a taster of what to expect in the race and they are raising money for the charity, Walking With The Wounded.
Frank Gardner reports.