MCO 3502.3D governs MEU pre-deployment training and certification authorities and sets minimum qualification, certification, and sustainment standards.
View MCO 3502.3D on armypubs.army.mil
It covers MEU PTP stages, ARG/MEU and joint operations, specialized skills, exercises, interagency coordination, and underwater egress training. It requires standardized training, safety procedures, evaluations, and written certification for designated specialized skills.
The MEU PTP must allow sufficient time for the planning, execution, assessment, and remediation. (paragraph 4)
MEU training and operations are inherently dangerous; adherence to established safety procedures and risk management (RM) principles at all leadership levels and at all times, is an absolute requirement. (paragraph 4)
Checklists are to be used by authorized training locations, lead agencies, and unit commanders to evaluate and certify the combat readiness of their individual Marines and units. (paragraph 4)
Certification requirements must be met before certification is granted and entered into the MCTIMS. (paragraph 4)
Upon completion of the specialized skills courses, team members will be designated in writing by the MEU commanding officer. (paragraph 4)