OCC Field 58Marine Corps photo by Cpl. William Hester. Released for public use.

MOS OCC Field 58: Military Police, Investigations and Corrections

For additional information, see the official Department of the Navy Headquarters Marine Corps MOS Manual:
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Specialty School Location FB Page FB Page2
5811 Military Police
Military police function in a similar capacity to police officers in the civilian world. They keep order while in garrison and assist with patrols and security while deployed. The MP role also includes dog handler, which is MOS 5812.
Fort Leonard Wood, MO FB Page FB Page2
5813 Traffic Management and Collision Investigator (TMCI)
(Ranks: GySgt to Cpl) A Traffic Management and Collision Investigator (TMCI) is a Military Policeman who is additionally trained in the enforcement of traffic laws, regulations and orders. Furthermore, the Traffic Management and Collision Investigator (TMCI) investigates and reports traffic accidents; assists in accident prevention and vehicle safety programs; and conducts traffic control studies to determine present and future needs concerning traffic control and associated traffic programs aboard an installation.
Not Listed    
5814 Physical Security Specialist
(Ranks: GySgt to Cpl) A Physical Security Specialist is a Military Policeman additionally trained to provide commanders the ability to conduct risk/ vulnerability assessments, analyze crime, and recommend appropriate courses of action to eliminate conditions conducive to terrorism, espionage, sabotage, wrongful destruction, malicious damage, theft, and pilferage.
Not Listed    
5816 Special Reaction Team (SRT) Member
(Ranks: GySgt to Cpl) Special Reaction Team Members are Military Policeman trained to counter and/or contain high-risk threat situations surpassing normal law enforcement capabilities. Members are trained on enhanced marksmanship, tactical movement, entry, breaching, and clearing objectives in order to neutralize threats.
Not Listed    
5819 Military Police Investigator (MPI)
(Ranks: GySgt to Cpl) The duties of the MPI require the assignment of mature and intelligent individuals responsible for investigating criminal violations of the uniform code of military justice (UCMJ) in matters of interest to the United States Marine Corps.
Not Listed    
5821 Criminal Investigator CID Agent
(Ranks: MGySgt to Sgt) Criminal Investigation Division Agents perform criminal investigative duties while operationally assigned to the criminal investigation division (CID), law enforcement battalion (LEBN) , regional trial counsel (RTC), and naval criminal investigative service (NCIS).
Not Listed    
5822 Forensic Psycho-Physiologist (Polygraph Examiner)
(Ranks: GySgt to SSgt) Psycho-Physiologists (Polygraph Examiners) perform the full range of criminal investigative duties prescribed for and are operationally assigned to the naval criminal investigative service (NCIS).
Not Listed    
5831 Correctional Specialist
Correctional specialists could also be known as prison security guards. They monitor and regulate inmates within the confines of a prison to ensure order is kept and that all prisoners are safe.
Lackland AFB, TX    
5832 Correctional Counselor
(Ranks: MGySgt to Cpl) Correctional Counselors assist in resolving day-to-day prisoner problems; conduct initial and weekly interviews; provide individual and group counseling; assist in evaluations; observe and report meaningful changes in behavior; recommend custody classification, treatment programs, work assignments, and make recommendations on clemency, parole and/or restoration to duty requests; and improve communication channels between the parent unit and confined personnel in Marine Corps and Naval Brigs.
Not Listed    
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#OccField58 includes the following MOS:
5811 Military Police, MOS School:  Fort Leonard Wood, MO
5813 Traffic Management and Collision Investigator (TMCI), MOS School:  N/A
5814 Physical Security Specialist, MOS School:  N/A
5816 Special Reaction Team (SRT) Member, MOS School:  N/A
5819 Military Police Investigator (MPI), MOS School:  N/A
5821 Criminal Investigator CID Agent, MOS School:  N/A
5822 Forensic Psycho-Physiologist (Polygraph Examiner), MOS School:  N/A
5831 Correctional Specialist, MOS School:  Lackland AFB, TX
5832 Correctional Counselor, MOS School:  N/A
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