Which of the following represents the rank of Sergeant Major in the Marine Corps?

The representation of the rank of Sergeant Major in the Marine Corps is illustrated by three stripes over one star over four rockers. This insignia is significant as it captures the rank's distinction and authority within the Marine Corps structure. The three stripes indicate the non-commissioned officer (NCO) status, while the star signifies the seniority and leadership role that comes with the rank of Sergeant Major. Additionally, the four rockers represent the completed years of service, reinforcing the rank's experience and commitment. This combination not only denotes the rank itself but also conveys the responsibilities and expectations associated with being a Sergeant Major.