'It's not so much about the mission anymore'

The order came over the radio: "Charlie Mike," US army jargon for "continue mission."

Cliff Hicks' team of soldiers patrolling a typically friendly neighbourhood had mistaken celebratory gunfire at a wedding for a hostile attack and had shot up a house, wounding two people and killing a little girl.

The troops didn't want to linger in the house, and their command centre ordered them out.