Synopsis

To aid Mac in her inquiry into potentially flawed Marine training protocols, Harm assumes the identity of a Marine gunnery sergeant, immersing himself in the environment. He soon finds himself caught in the crossfire of dangerous exercises. During his time undercover, Harm discovers that Captain Koonan, the rigorous officer overseeing Force Recon training, deliberately introduces unforeseen complications into training missions. His intention is to cultivate quick reactions to unexpected event