In April 2006 a small British peace-keeping force was sent to Helmand province in southern Afghanistan. Within weeks they were cut off and besieged by some of the world's toughest fighters: the infamous Taliban, who were determined to send the foreigners home again. Defence Secretary John Reid had hoped that Operation Herrick 4 could be accomplished without a shot being fired; instead, the Army was drawn into the fiercest fighting it had seen for...