The Fleet, Book 2: Counter Attack

The Fleet, Book 2: Counter Attack by David Drake. mass_market edition. ISBN: 9780441240876.

Pledged to protect us all The soldiers of the Alliance come from different worlds, different cultures. But they share a common mission: to reclaim occupied space from the savage Khalian invaders. The ruthless aliens, armed with lasers and plasma cannons, have overrun our colonies with their warships and spies. Now mankinds fighting back--searching for the Khalian home world. Its a desperate mission of intergalactic seek-and-destroy. And even across a thousand light years, the best defense is still... the Fleet.