Marine Corps Officer Job Descriptions

USMC Officer Professions

Marine Corps VMFA-121 Re-designation Ceremony
Lockheed Martin/Flickr

There are several options a prospective Marine Corps officer can take to achieve that title. To enter the USMC officer ranks you can take several paths. The choices you have are the following:

The United States Naval Academy

The Academy is the Navy and Marine Corps Department of Defense operated college located in Annapolis, MD. Typically 25% of the graduates of the four-year institution will become Marine Corps Officers.

Marine Corps Option ROTC

Navy/Marine Corps ROTC programs at more than 65 colleges and universities across the country offer Marine Corps commissions to college students who complete four years of naval science study on campus.

USMC Officer Candidate School 

Under the officer candidate programs, male and female graduates of an accredited four-year college or university, and graduates of accredited law schools licensed to practice in a state or federal court are eligible for a reserve commission.

Platoon Leader's Course

The Marine Corps Platoon Leaders Course (PLC) is for college students who enroll as freshmen or sophomores attend two six-week summer training programs at the Marine Corps Officer Candidate School, located at Quantico, Virginia.

Enlisted Commissioning Program (ECP)

ECP provides enlisted Marines with a four-year degree from an accredited school the opportunity to become commissioned officers.

ECP is open to Marines with a minimum of one-year active duty experience and at least 12 months remaining on their current enlisted contract.

The jobs a commissioned Marine Corps officer can do depend on his or her performance training, previous experience, skills, education and desires. The Marine Corps unrestricted line officer, limited duty officer, and warrant officer jobs have specific designators, called "Military Occupational Specialties," or MOS.

Similar MOS's are grouped together into occupational fields. 

Below are the occupational fields for Marine Corps officer jobs.

01 — Personnel, Administration, and Retention Officer

02 — Intelligence Officer

03 — Infantry Officer

0370 — MarSOC Officer (Special Operations Officer)

05 — Marine Air Ground Task Force (MAGTF) Plans Officer

06 — Communications Officer

08 — Field Artillery Officer

09 — Training Officer

11 — Utilities Officer

13 — Engineer, Construction, Facilities, and Equipment Officer

18 — Tank and Assault Amphibious Vehicle Officer

21 — Ground Ordnance Maintenance Officer

23 — Ammunition and Explosive Ordnance Disposal Officer

26 — Signals Intelligence/Ground Electronic Warfare Officer

27— Linguist Officer

28 — Ground Electronics Maintenance Officer

30 — Supply Administration and Operations Officer

31 — Traffic Management Officer

33 — Food Service Officer

34 — Financial Management Officer

41 — Marine Corps Community Services Officer

43 — Public Affairs Officer

44 — Legal Services Officer

46 — Combat Camera (COMCAM) Officer

48 — Recruiting Officer

55 — Music Officer

57 — Chemical, Biological, Radiological and Nuclear (CBRN) Defense Officer

58 — Military Police and Corrections Officer

59 — Electronics Maintenance Officer

60 — Aircraft Maintenance Officer

63 — Avionic Officer

65 — Aviation Ordnance Officer

66 — Aviation Logistics Officer

68 — Meteorology and Oceanography (METOC) Officer

70 — Airfield Services Officer

72 — Air Control/Air Support/AntiAir Warfare/Air Traffic Control Officer

73 — Navigation Officer and Enlisted Flight Crews Officer

75 — Pilots, Naval Flight Officers

80 — Miscellaneous Requirements MOS's Officer

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