She was initially treated at a field hospital , where she underwent surgery to stabilize her condition .
McCormick was traveling in a vehicle with members of the United States Army when their vehicle was hit by an improvised explosive device ( IED ) .
McCormick was initially treated at a field hospital , where McCormick underwent surgery to stabilize McCormick 's condition .
McCormick was traveling in a vehicle with members of the United States Army when their vehicle was hit by an improvised explosive device ( IED ) .