Former Sgt . Kyle White and comrades were ambushed in 2007 in Afghanistan . White 's only cover during ferocious assault was a single tree on a mountain . He survived the attack, but lost both legs below the knee. White was also injured twice during the battle , but refused help until others were attended to .
Former Sgt . Kyle White and comrades were ambushed in 2007 in Afghanistan . White 's only cover during ferocious assault was a single tree on a mountain . He braved enemy fire to try and save two men , and helped a third who was rescued . White was also injured twice during the battle , but refused help until others were attended to .