Have you ever left your keys at home or taken someone else's keys with you? It can be an anxious experience, to be sure. When David Blair, a British Merchant Seaman and later a recipient of a silver medal for gallantry and an act of courage by the King of England, was asked to assume a new role aboard another ship, he took with him a very important key. A key that would create a sense of guilt within him and his family unlike any other.
