What is a critical factor in establishing authority within the Marine Corps?

Experience and training are fundamental in establishing authority within the Marine Corps, as they directly contribute to a leader's credibility and capability. In a military setting, authority is often linked to the skills and knowledge a person possesses, which are gained through rigorous training and practical experience. This background allows leaders to make informed decisions, give effective guidance, and earn the respect of their subordinates.

While popularity, size of the unit, and social connections might influence a person's perception or interpersonal dynamics, they do not inherently establish authority in the same way that experience and training do. Popular leaders may still lack the necessary knowledge or skills, a larger unit does not necessarily equate to effective leadership, and social connections can be fleeting and unreliable. Ultimately, it is the combination of experience and training that truly equips a Marine leader to command respect and exercise effective authority.