The Myriad Wolf Star: R.M. Meluch

Book I of Tour Of The Merrimack.  The U.S.S. Merrimack was the finest battleship class spaceship in Earth's fleet, able to stand up against the best the Palatine Empire could throw at them, even able to attack and kill swarms of the seemingly unstoppable Hive. But nothing could have prepared the captain and crew of the Merrimack to face the Myriad - three colonised worlds in the midst of a globular cluster that the Hive had somehow overlooked.