Publisher's Synopsis
Gunnery Sergeant Torin Kerr is a Confederation Marine's marine. Sidelined since her last mission, she jumped at the chance to go to Crucible - the Marine Corps training planet. While the exercise in underway, the drones begin acting aggressively, without regard to fail-safes or their programming. Kerr finds herself caught in a desperate fight to keep a platoon of Marine recruits alive.
