A profane and seasoned platoon sergeant during Caputo's initial deployment, known for his reluctance to follow Caputo's orders and his role in teaching junior officers the realities of leadership.

The commanding officer Caputo reports to upon arriving in Vietnam, noted for his calm and reasonable demeanor, teaching Caputo the practical aspects of warfare and emphasizing the importance of ethical conduct.

Caputo's first commanding officer in Vietnam, admired for his leadership and willingness to risk his life to save Marines, representing the ideal qualities of a Marine officer.

Viewed unfavorably by front line soldiers, he is seen as a political careerist disconnected from the realities on the ground and focused solely on achieving favorable body counts for policy success.

Caputo's last commanding officer in the field, known for his by-the-book rigidity and unpopular surprise inspections and drills, which strain relations with his men.