Chance was able to reverse the vehicle 1.5 mi ( 2.4 km ) to the regimental aid post despite his injuries .
Its driver , Trooper Sean Chance , lost part of his foot in the blast ; two more of the crew were slightly injured .
Chance was able to reverse the vehicle 1.5 mi ( 2.4 km ) to the regimental aid post despite driver 's injuries .
Its driver , Trooper Sean Chance , lost part of his foot in the blast ; two more of the crew were slightly injured .