"The Doomsday Device" is the eighteenth chapter of the first volume of Star Trek: Federation Legacy, written between September and October 2016 and published on 20 October 2016 by CaptFredricks.
Summary: The USS Leviathan is dispatched to the Donia system by Starfleet Intelligence to confirm suspicions that an ancient weapon of mass destruction has fallen into the hands of a dangerous foe.
- Read "The Doomsday Device" at FanFiction