4400 legal services

The Marine Corps Basic Legal Services Marine is a Military Occupational Specialty (MOS) with the code 4400. These Marines are trained to provide services for the legal services support section (LSSS). They are trained in a variety of areas, including: Operational, Managerial, Legal administrative, Typing, Clerical, Courts-martial reporting/transcribing. The duration of schooling or training for this MOS can vary depending on the specific training program and the Marine Corps’ training schedule. The Marine Corps Legal Services Specialist (MOS 4421) is another MOS that handles all varieties of legal work. These Marines perform job duties comparable to a paralegal or legal secretary.