TOKYO (Reuters) - On the night of July 17, 1944, an explosion with nearly the force of an atomic bomb ripped through the Port Chicago Naval Magazine north of San Francisco, killing 320 people - most of whom were African-American sailors loading weapons on ships. Though the men had loaded ordnance essential to victory in the Battle of Saipan, which had just ended, the Navy blamed them for the explosion. When they refused to load the ships again, the Navy launched the largest mutiny trial in its history. ...