The Son of John was a Tarask-class transport that was part of a merchant convoy moving into Port Maw in the early days of the Gothic War. When the convoy came under attack by a Chaos Slaughter-class Cruiser that had slipped past the Navis Imperialis' escort screen, the Son of John engaged the enemy ship from close quarters and succeeded in distracting it long enough for the other transports to escape into the Warp. Its puny guns firing to the last, the Imperial merchant vessel was destroyed, but the heroism and sacrifice of its crew shone like a beacon in the dark days that followed