The only female servicewoman trekking to the South Pole with Prince Harry told Daybreak how she was "so excited to get going".
Kate Philp, part of Team UK, said her main concerns were the weather because "if a big storm comes in we are tent bound for a few days, eating a lot of food but not making any kilometres".
Ms Philp served in two tours of Iraq but lost her leg in Afghanistan when the armoured vehicle she was commanding hit an IED in November 2008.
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The Cameroonian international collapsed just seven minutes after coming onto the field, according to reports.