Which of the following is one of the five horizontal themes of a Marine Officer?

The selection of "A leader dedicated to leading Marines 24/7" as one of the five horizontal themes of a Marine Officer is accurate because it emphasizes the core responsibility of a Marine Officer to provide continuous leadership and guidance to their Marines. This theme encapsulates the expectation that officers must be committed to their role in a holistic and ongoing manner, ensuring they support and lead their team at all times, even beyond regular duty hours. By embodying this principle, officers cultivate trust, accountability, and loyalty within their units, reinforcing the principles of leadership essential in the Marine Corps.

The other choices focus on specific skills or interests that, while valuable in their own right, do not align with the fundamental expectation of a Marine Officer's overarching commitment to leadership. Fostering a strong leadership presence and dedication to the welfare and development of Marines underpins the effectiveness and cohesiveness of a military unit.