Marine Corps photo by Cpl. Luke Hoogendam. Released for public use. MOS OCC Field 03: Infantry
For additional information, see the official Department of the Navy Headquarters Marine Corps MOS Manual:Click here, 851 page PDF opens in a new window. Your Place to Connect & Share® with other family members with a Marine in these MOS Schools is our Official MarineParents.com MOS Facebook Group.
| INFANTRY: OCCUPATIONAL FIELD 03 | |||
| Specialty | School Location | FB Page | FB Page2 |
| 0300 Basic Infantry Marine | Not Listed | ||
| 0311 Infantry Marine
The Marine infantry rifleman spends countless hours becoming specialists on various weapons systems, understanding survival techniques, and living in the field for weeks on end. They are the backbone of the Marine Corps and are the image that most people think of when they think of Marines. |
Camp Lejeune, NC | ||
| 0311 Infantry Marine
The Marine infantry rifleman spends countless hours becoming specialists on various weapons systems, understanding survival techniques, and living in the field for weeks on end. They are the backbone of the Marine Corps and are the image that most people think of when they think of Marines. |
Camp Pendleton, CA | ||
| 0313 Light Armored Reconnaissance Marine
Provides driving and 1st echelon repairs for light armored vehicles. LAR crewmen are usually attached to light armored reconnaissance battalions. Additionally, LAR crewmen may be tasked with operating weapons systems onboard any LAV. |
Camp Pendleton, CA | FB Group | FB Group 2 |
| 0316 Combat Rubber Reconnaissance Craft (CRRC) Coxswain
Providing amphibious options to the infantry, these Marines will learn how to drive the CRRC, and know how to broach them (flip them over when capsized). |
Not Listed | ||
| 0317 Scout Sniper
Perform reconnaissance and intelligence gathering missions in remote areas with small teams. Scout snipers may be tasked with locating and extinguishing human targets in support of the Marine Corps mission. Additionally, they may be tasked with training other Marines that are in attendance of the scout sniper program. |
Not Listed | ||
| 0321 Reconnaissance Man
Marine reconnaissance men are elite warfighters that are training in reconnaissance, intelligence gathering, and unique fighting skills that may be considered unconventional. They are dedicated and hardworking Marines who deploy with a small team to remote areas in support of the mission of the Marine Corps. |
Camp Pendleton, CA | FB Group | FB Group 2 |
| 0323 Reconnaissance Marine, Parachute Qualified
(Ranks: MGySgt to Pvt) Reconnaissance Marine, Parachute Qualified, conduct low level static line (LLSL) or military freefall airborne operations to clandestinely gain access to the operating environment to conduct fullspectrum amphibious reconnaissance, ground reconnaissance, AAFO, operational environment shaping and specialized raid missions in support of the division, MEF, other MAGTFs, or joint force. |
Not Listed | ||
| 0324 Reconnaissance Marine, Combatant Diver Qualified
(Ranks: MGySgt to Pvt) Reconnaissance Marine, Combatant Diver Qualified, conduct underwater operations to facilitate amphibious reconnaissance, underwater reconnaissance, ground reconnaissance & surveillance, AAFO, surveillance, and operational environment shaping and specialized raid missions in support of the division, MEF, other MAGTFs, or joint force. |
Not Listed | ||
| 0326 Reconnaissance Marine, Parachute and Combatant Diver Qualified
(Ranks: MGySgt to Pvt) Reconnaissance Marine, Parachute and Combatant Diver Qualified, conduct airborne and subsurface operations to clandestinely gain access to the operating environment to conduct full-spectrum amphibious reconnaissance, ground reconnaissance & surveillance, AAFO, operational environment shaping and specialized raid missions in support of the Division, MEF, other MAGTFs, or Joint Force. |
Not Listed | ||
| 0331 Machine Gunner
As the title implies, Marine machine gunners are specialists in all mounted machine guns in the Marine Corps arsenal. They are experts on the maintenance, maneuvering, mounting, and utilization of Marine Corps heavy machine guns. |
Camp Pendleton, CA | ||
| 0331 Machine Gunner
As the title implies, Marine machine gunners are specialists in all mounted machine guns in the Marine Corps arsenal. They are experts on the maintenance, maneuvering, mounting, and utilization of Marine Corps heavy machine guns. |
Camp Lejeune, NC | ||
| 0341 Mortarman
Mortarmen utilize mortars to provide indirect fire support to infantry battalions in the field. Mortarmen may be asked to hike into difficult to reach locations in order to provide the most accurate and readily available mortar fire when called upon. |
Camp Lejeune, NC | ||
| 0341 Mortarman
Mortarmen utilize mortars to provide indirect fire support to infantry battalions in the field. Mortarmen may be asked to hike into difficult to reach locations in order to provide the most accurate and readily available mortar fire when called upon. |
Camp Pendleton, CA | ||
| 0351 Infantry Assault Marine
These Marines use rockets and the Marine Anti-Personnel Obstacle Breaching tool to assist infantry battalions with route clearance, building clearance, and direct rocket fire on enemy positions. |
Camp Lejeune, NC | ||
| 0351 Infantry Assault Marine
These Marines use rockets and the Marine Anti-Personnel Obstacle Breaching tool to assist infantry battalions with route clearance, building clearance, and direct rocket fire on enemy positions. |
Camp Pendleton, CA | ||
| 0352 Anti-tank Missile Gunner
Antitank missile gunners are usually attached to armor/tank units where they will be the weapons specialists that are in charge of deploying antiarmor/antitank fire towards enemy tanks and vehicles. These Marines specialize in supporting infantry and LAR battalions in need of antiarmor attacks. |
Camp Lejeune, NC | ||
| 0352 Anti-tank Missile Gunner
Antitank missile gunners are usually attached to armor/tank units where they will be the weapons specialists that are in charge of deploying antiarmor/antitank fire towards enemy tanks and vehicles. These Marines specialize in supporting infantry and LAR battalions in need of antiarmor attacks. |
Camp Pendleton, CA | ||
| 0363 Light Armored Reconnaissance Unit Leader
(Ranks: GySgt to SSgt) The Light Armored Reconnaissance (LAR) Unit Leader serves as the enlisted technical and tactical advisor to the LAR unit Commander. He assists the commander with all aspects of the planning, training, employment, logistical support, maintenance, accountability, welfare, and administrative functions in support of the LAR unit’s mission. |
Not Listed | ||
| 0365 Infantry Squad Leader
(Rank: Sgt) The Infantry Squad Leader plans for assigned missions and carries out the orders issued by the Platoon Commander. He is also responsible for the discipline, training, control, conduct, and welfare of his squad at all times, as well as the condition, care, and economical and effective use of its weapons and equipment. |
Not Listed | ||
| 0367 Light Armored Reconnaissance Master Gunner
(Ranks: MGySgt to Sgt) The Light Armored Reconnaissance (LAR) Master Gunner is a MGySgt to Sgt specifically trained in the training and employment of LAR Company and Battalion organic weapons, gear and assigned personnel and in the basics of LAR Gunnery as defined by the current version of MCRP 3-10D.1 Light Armored Vehicle-25 Gunnery and Employment. |
Not Listed | ||
| 0369 Infantry Unit Leader
(Ranks: GySgt to SSgt) The Infantry Unit Leader is responsible to the commander and assists in the planning, training, deployment and employment of all infantry organic weapons systems and the units combat power capabilities. They supervise and coordinate the preparation and assignment of personnel/ equipment in accordance with the Table of Organization/Table of Equipment of their unit. |
Not Listed | ||
| 0372 Critical Skills Operator
Critical skills operators are extremely mature Marines who have a long and outstanding track record of being reliable and dependable. They are specialists in multiple weapons systems, engineering and breaching tactics, communications skills, and have extremely thorough knowledge of special forces operations. These Marines are able to work with teams or by themselves in remote and isolated conditions. |
Camp Pendleton, CA | ||
| 0393 Light Armored Reconnaissance Operations Chief
(Ranks: MGySgt to MSgt) The Light Armored Reconnaissance Operations Chief (LAR Ops Chief) serves as the senior enlisted tactical advisor to the commander and staff of a Light Armored Reconnaissance (LAR) company or battalion. He advises the commander in the tactical employment of the organic weapons systems of the unit; the condition, care, and economical use of unit resources and equipment. |
Not Listed | ||
| 0399 Operations Chief
(Ranks: MGySgt to MSgt) The Operations Chief is responsible to the commander and assists in all levels of planning, training, deployment and employment of MAGTF capabilities to include the integration and synchronization of the warfighting functions. Supervises and coordinates the preparation and assignment of all personnel/equipment supporting each warfighting function in accordance with the Table of Organization/Table of Equipment of their unit. |
Not Listed | ||
#OccField03 includes the following MOS:
0300 Basic Infantry Marine, MOS School: N/A
0311 Infantry Marine, MOS School: Camp Lejeune, NC
0311 Infantry Marine, MOS School: Camp Pendleton, CA
0313 Light Armored Reconnaissance Marine, MOS School: Camp Pendleton, CA
0316 Combat Rubber Reconnaissance Craft (CRRC) Coxswain, MOS School: N/A
0317 Scout Sniper, MOS School: N/A
0321 Reconnaissance Man, MOS School: Camp Pendleton, CA
0323 Reconnaissance Marine, Parachute Qualified, MOS School: N/A
0324 Reconnaissance Marine, Combatant Diver Qualified, MOS School: N/A
0326 Reconnaissance Marine, Parachute and Combatant Diver Qualified, MOS School: N/A
0331 Machine Gunner, MOS School: Camp Pendleton, CA
0331 Machine Gunner, MOS School: Camp Lejeune, NC
0341 Mortarman, MOS School: Camp Lejeune, NC
0341 Mortarman, MOS School: Camp Pendleton, CA
0351 Infantry Assault Marine, MOS School: Camp Lejeune, NC
0351 Infantry Assault Marine, MOS School: Camp Pendleton, CA
0352 Anti-tank Missile Gunner, MOS School: Camp Lejeune, NC
0352 Anti-tank Missile Gunner, MOS School: Camp Pendleton, CA
0363 Light Armored Reconnaissance Unit Leader, MOS School: N/A
0365 Infantry Squad Leader, MOS School: N/A
0367 Light Armored Reconnaissance Master Gunner, MOS School: N/A
0369 Infantry Unit Leader, MOS School: N/A
0372 Critical Skills Operator, MOS School: Camp Pendleton, CA
0393 Light Armored Reconnaissance Operations Chief, MOS School: N/A
0399 Operations Chief, MOS School: N/A