What does the acronym "NCO" stand for?

The acronym "NCO" stands for Non-Commissioned Officer. This term denotes a military officer who has not earned a commission and typically holds a leadership or supervisory role, often providing essential training and guidance to enlisted personnel. Non-Commissioned Officers are pivotal in maintaining discipline, facilitating communication between enlisted personnel and commissioned officers, and ensuring that orders are executed effectively. Their ranks can include Corporals, Sergeants, and other ranks that fall under this category, depending on the military branch. Understanding the role and significance of Non-Commissioned Officers is crucial for grasping the structure and functioning of military organizations, including the Marine Corps.