Jack Campbell 
Lost Fleet [PDF ebook] 
Corsair #3

Guest starring John "Black Jack" Geary, appearing in comics for the first time!Captain Michael Geary faces rebellion from Alliance Marines — just as his newly-captured ship, the Corsair, is about to be attacked by a deadly Syndic force. Can he convince his men to keep the peace with the rebel Tigres… and fight a one-sided battle that could see them all obliterated? Meanwhile, on the planet Kane another rebel force faces off against a massive Syndic invasion force, out to retake the planet…