The Legend of the Crystal Dragon

With the advent of the timequake ships, mankind spread so rapidly out into the galaxy that chaos and corruption soon became the order of the day. So Union Fleet was formed to defend and protect mankind from his worst enemy — himself. To keep the peace, Union Fleet enforced the laws on all of the planets of the Union. For the most part, the people of Union Fleet were good and decent folks. For the most part, this all worked just fine on all of the civilized planets, but in the outworlds … well, that was another story. In the outworlds, where civilization was thin, evil thrived. Pirates plied their ancient trade in the outworld spaceways.
Even so, the pirates were not the worst that mankind had to face. The Jatarian Alien Group was mankind's worst nightmare. But there was one ship that fought them off and saved the people of Benara-3 -- the Crystal Dragon. It defeated the whole Jatarian battle group and sent what was left of them back to their own with a message -- don't come back!
Created with alien technology, this ship single-handedly did what a whole fleet of Union starships could not. But that was a long time ago. The people of Benara-3 forgot and went on with their lives. Corrupt Union Admirals tried to confiscate the Crystal Dragon to steal its secrets. When it slipped their grasp, in spite, they declared it an outlaw ship. As time went on, everybody forgot the Crystal Dragon and got on with their lives.
But the Jatarians did not forget ...