Guardian (Lost Fleet: Beyond the Frontier Series #3)

Admiral Geary’s First Fleet of the Alliance has survived the journey deep into unexplored interstellar space, a voyage that led to the discovery of new alien species, including a new enemy and a possible ally. Now Geary’s mission is to ensure the safety of the Midway Star System, which has revolted against the Syndicate Worlds empire—an empire that is on the brink of collapse.
 
To complicate matters further, Geary also needs to return safely to Alliance space not only with representati…