It was created in 2011 as an addition to the Marine Corps Forces Special Operations (MARSOC). The Military Occupational Specialty (MOS) Critical Skills Operator/Raider (MOS 0372) is relatively new to the Marine Corps. Education, Qualifications, and Training In order to qualify for MOS 0372 you must reach the Marine rank of Corporal (E-4). It allows soldiers to cross cultural barriers and connect with local forces as well as civilians. Marine CSOs are fluent in a second language in addition to having specialized skills for a variety of missions. Marine Corps Critical Skills Operators (MOS 0372) are universal specialists for the military that are capable of carrying out many different tasks.Ĭritical Skills Operators (CSO), or “Raiders”, receive orders from the Marine Corps Forces Special Operations (MARSOC).