During the Korean War My grandfather was deployed to South Korea when North Korea attacked. He was, by all accounts, a terrible gunner. He struggled to hit enemy tanks and even if his shell did hit, as if some curse was upon him, the shell would either be a dud or fail to pierce through the enemy's armour. Despite this, his crew still managed to survive the initial onslaught. He was there when the army finally pushed the North Koreans back. However, they had to face a new enemy, the Chinese, who were threatened by American military presence on their border. For some inexplicable reason, when the Chinese tanks came, my grandfather suddenly became a sharpshooter. He hit almost every enemy tank his crew came upon and destroyed enemy tanks from record-breaking distances. His crewmates were a little shocked, and asked him what caused the sudden change. ""This time,"" my grandfather replied, ""there's a chink in their armour.""