Star Blazers Audacious (A Yamato 2199 & 2202 spinoff story)

A year after the end of the Gatlantean War, a routine naval exercise between Earth and Garmillas ships is disrupted when unexpected old and new enemies attack several territories within the LMC. In the midst of the chaos, an Andromeda-class battleship and her crew of misfits must learn to put aside their personal problems and differences to fight and survive the darkness to come.