Defiant

Born into a family of wealth and political power. Kris Longknife turned her back on high society and followed a different family tradition by joining the Marines. But now she finds herself relieved of duty. She's gotten in the wag of someone's agenda--to bring down her father, the Prime Minister of Wardhaven.

Now, with the fleet off on a propaganda mission. Wardhaven is left vulnerable to enemy warships that establish orbit around the planet demanding surrender. With the remnants of the fleet ordered to stand down. Kris declares herself Commander-in-Chief and plans a desperate gambit to defend her world. Commandeering every spaceworthy vessel she can get her hands on and recruiting every able-bodied person willing to risk their life. Kris leads the most important mission of her career--and it may be her last...