Picking up the Pieces (fan fic)

Picking up the Pieces is the series premerie of Star Trek: Helena Season one.

Plot
After the Dominion Wars, Kessok Conflict, and Omega incident the Federation is enjoying some much needed peace time, as the Federation celebrates the launch of their new Renaissance-Class vessel the USS Helena under the command of Captain Marcia Taylor. Her shakedown cruise is to deliver supplies to Starbase 218 and the Wrigley IV colony but when they arrive they find the Starbase utterly destroyed with no survivors who could of done this and why would they do this?