Primary Responsibilities
Execute and supervise ground combat tasks tied to maneuver, reconnaissance, security, fires integration, and small-unit leadership.
03xx Infantry / Marine Corps MOS Profile
0303 Light Armored Reconnaissance Officer
Light Armored Reconnaissance Officers command and supervise LAR units conducting security, reconnaissance, economy-of-force, and light armored operations.
Code / Pipeline0303
MOS NameLight Armored Reconnaissance Officer
Category03xx Infantry
Unit Association3/5 / 2nd Recon / Force Recon
Jump To Another MOS
Marine Corps MOS Profile
Responsibilities and Pipeline
Training Pipeline
Complete recruit training or officer commissioning, then Marine Combat Training or The Basic School as applicable.
Billet Progression
This MOS sits inside the Marine ground-combat lane and depends on field discipline, small-unit leadership, communications, weapons proficiency, and repeated field evaluation.
Current Member Tracking
The Current Members section below is populated from command-record MOS data. When a chain of command changes MOS, this page is regenerated to keep the roster link accurate.
USMC Responsibilities
0303 Light Armored Reconnaissance Officer is described here by practical Marine Corps duties, billet expectations, and training progression. This section avoids game-language so the page reads like a professional MOS reference.
- Execute and supervise ground combat tasks tied to maneuver, reconnaissance, security, fires integration, and small-unit leadership.
- Prepare weapons, communications, navigation, patrol orders, rehearsals, and reporting procedures before movement.
- Lead Marines through field training, live-fire progression, tactical decision games, and mission rehearsals.
- Develop junior leaders who can control teams, squads, sections, platoons, and supporting attachments in austere environments.
Training Pipeline
The pathway is shown at a broad public level. Exact prerequisites, screening, quotas, course names, and assignments can change by fiscal year, manpower requirement, medical qualification, command screening, and schoolhouse policy.
- Complete recruit training or officer commissioning, then Marine Combat Training or The Basic School as applicable.
- Attend the infantry/reconnaissance schoolhouse associated with the MOS: Infantry Marine Course, Infantry Officer Course, Reconnaissance Training Company, or an advanced qualification school.
- Develop through unit field exercises, live-fire progression, patrolling, weapons employment, orders production, and leadership billets.
- Advance into team leader, squad/section leader, platoon staff, platoon commander, operations, instructor, or senior enlisted/officer roles.
Billets And Skill Growth
- Entry-level Marines focus on core tasks, equipment, field discipline, and reliable execution.
- NCOs supervise small teams, enforce standards, plan rehearsals, and train junior Marines.
- SNCOs and officers manage readiness, risk, training plans, inspections, reporting, and integration with adjacent staff sections.
- Instructor and staff billets preserve standards, document lessons learned, and build repeatable training for the next rotation.
Chain of Command Matching Logic
Chain of command records can list a current MOS, prior record MOS, ADMOS, or specialty track. This page shows a member as a Current MOS when the MOS is the member’s active specialty and as Recorded Profile MOS / ADMOS when it appears in the member history.
Rank / Grade Requirements
Grade LaneCommissioned officer MOS
Entry / Award Basis
Light Armored Reconnaissance officer MOS for infantry officers assigned to LAR formations after applicable training and assignment.
Typical Rank Use
2ndLt through Capt for platoon/company-grade LAR billets; Maj and above for staff and command-track billets.
Schoolhouse & Qualification Requirements
SchoolhouseSchool of Infantry / Advanced Infantry Training Battalion / Reconnaissance Training Company as applicable
Recruit training, Marine Combat Training or Infantry Marine Course path, then MOS-specific infantry, reconnaissance, scout sniper, weapons, or leader training.
Entry QualificationsScreening / Prerequisites
Must meet infantry screening standards, weapons/field prerequisites, swim or reconnaissance screening where required, medical eligibility, security requirements, and command endorsement for advanced schools.
Associated SchoolsFollow-On Training
- Basic Reconnaissance Course / reconnaissance training pipeline when assigned
- Basic Airborne Course for parachutist-qualified billets
- Military Free-Fall when billet-qualified
- Marine Combatant Diver / dive supervisor track when assigned
- SERE Level C for designated high-risk or special-operations-associated billets
- Scout Sniper / advanced marksmanship schools where applicable
Course titles, quotas, prerequisites, and sequence can change by fiscal year, manpower requirement, medical qualification, and current schoolhouse policy.
Current Members in this MOS
Loading chain of command matches...
MOS Association
3/5 / 2nd Recon / Force Recon
This page links the occupation lane to 3/5, 2nd Recon, and Force Recon pathways. Matching chain of command members appear in the Current Members section above.