Job detail

The ASVAB subtests for determining the composites are: General Science (GS), Arithmetic Reasoning (AR), Word Knowledge (WK), Paragraph Comprehension (PC), Numerical Operations (NO), Coding Speed (CS), Auto and Shop Information (AS), Mathematics Knowledge (MK), Mechanical Comprehension (MC), Electronics Information (EI), and Sum of Word Knowledge and Paragraph Comprehension, scaled (VE).

Current aptitude area composites used for MOS selection for the Marine Corps are as follows:

CL- Clerical, Administrative, Supply & Finance - NO + CS + VE (Note: CL Score was eliminated in late 2002. All job Marine Corps requirements that required a CL score were changed to GT Score at this time. The score requirements are the same. In other words, if a job previously required a CL score of 90, then it was changed to require a GT score of 90).

EL -Electronics Repair, Missile Repair, Electronics and Communications -GS+AR+MK+EI

MM - Mechanical Maintenance, Construction, Utility and Chemical Maintenance (hazmat) - GS+AS+MK+MC

GT - General Technical, Special and Officer Programs - VE+AR

For detailed information about the ASVAB, see ABCs of the ASVAB.

ASVAB Scores Required for the Marine Corps
More of this Feature • Air Force ASVAB Scores • Army ASVAB Scores Related Resources • USMC Job Descriptions • Joining the Military • ABCs of the ASVAB • Enlistment Qualifications Elsewhere on the Web • Marine Corps Recruiting The Army converts the ASVAB subtest scores into five composite score areas, known as "line scores." The line scores determine what job(s) an individual qualifies for. The ASVAB subtests are: General Science (GS); Arithmetic Reasoning (AR); Word Knowledge (WK); Paragraph Comprehension (PC); Numerical Operations (NO); Coding Speed (CS); Auto and Shop Information (AS); Mathematics Knowledge (MK); Mechanical Comprehension (MC); Electronics Information (EI); and Sum of Word Knowledge and Paragraph Comprehension (VE). Marine Corps Line Scores are determined as follows: CL-Clerical-VE+AR+MK EL-Electronics-GS+AR+MK+EI GT-General Technical-VE+AR MM-Mechanical Maintenance-NO+AS+MC+EI ST-Skilled Technical-GS+VE+MK+MC

MOS/Job Title	ASVAB Line Score Required
0121 - Personnel Clerk	CL=100
0151 - Administrative Clerk	CL=100
0161 - Postal Clerk	CL=90
0231 - Intelligence Specialist	GT=100
0261 - Geographic Intelligence Specialist	EL=100
0311 - Rifleman	GT=80
0313 - LAV Crewman	GT=90
0321 - Reconnaissance Man	GT=105
0331 - Machine Gunner	GT=80
0341 - Mortarman	CT=80
0351 - Assaultman	GT=80
0352 - Antitank Assault Guided Missileman	GT=90
0411 - Maintenance Management Specialist	GT=100
0431 - Logistics/Embarkation and Combat Service Support (CSS) Specialist	GT=100
0451 - Air Delivery Specialist	GT=100
0481 - Landing Support Specialist	GT=95
0511 - MAGTF Planning Specialist	GT=110
0612 - Field Wireman	GT=90
0613 - Construction Wireman	EL=90
0614 - Unit Level Circuit Switch (ULCS) Operator/Maintainer	EL=100
0621 - Field Radio Operator	EL=90
0622 - Mobile Multichannel Equipment Operator	EL=100
0624 - High Frequency Communication Central Operator	EL=100
0626 - Fleet SATCOM Terminal Operator	EL=100
0627 - Ground Mobile Forces SATCOM Operator	EL=100
0811 - Field Artillery Cannoneer	GT=90
0842 - Field Artillery Radar Operator	GT=105
0844 - Field Artillery Fire Control Man	GT=105
0847 - Artillery Meteoroloqical Man	GT=105
0861 - Fire Support Man	GT=100
1141 - Electrician	EL=90
1142 - Electrical Equipment Repair Specialist	EL=100
1161 - Refrigeration Mechanic	MM=105
1171 - Hygiene Equipment Operator	MM=85
1181 - Fabric Repair Specialist	MM=85
1316 - Metal Worker	MM=95
1341 - Engineer Equipment Mechanic	MM=95
1345 - Engineer Equipment Operator	MM=95
1361 - Engineer Assistant	GT=100
1371 - Combat Engineer	MM=95
1391 - Bulk Fuel Specialist	MM=85
1812 - M1A1 Tank Crewman	GT=90
1833 - Assault Amphibious Vehicle	GT=90
2111 - Small Arms Repairer/Technician	MM=95
2131 - Towed Artillery Systems Technician	MM=95
2141 - Assault Amphibious Vehicle (AAV) Repairer/Technician	MM=105
2146 - Main Battle Tank (MBT) Repairer/Technician	MM=105
2147 - Light Armored Vehicle (LAV) Repairer/Technician	MM=105
2161 - Machinist	MM=105
2171 - Electro-Optical Ordnance Repairer	MM=105
2311 - Ammunition Technician	GT=100
2542 - Communication Center Operator	GT=110
2621 - Communications Signal Collection/Manual Morse Operator/Analyst	GT=100
2631 - Electronic Intelligence (ELINT) Intercept Operator/Analyst	GT=100
2651 - Special Intelligence System Administrator/Communicator	GT=100
2671 - Arabic Cryptologic Linguist	GT=105
2673 - Korean Cryptologic Linguist	GT=105
2674 - Spanish Cryptologic Linguist	GT=105
2676 - Russian Cryptoloqic Linguist	GT=105
2811 - Telephone Technician	EL=115
2818 - Personal Computer (PC)/Tactical Office Machine Repairer	EL=115
2822 - Electronic Switching Equipment Technician	EL=115
2831 - Multichannel Equipment Repairer	EL=115
2841 - Ground Radio Repairer	EL=115
2844 - Ground Communications Organizational Repairer	EL=115
2846 - Ground Radio Intermediate Repairer	EL=115
2847 - Telephone Systems/Personal Computer Intermediate Repairer	EL=115
2871 - Test Measurement and Diagnostic Equipment Technician	EL=115
2881 - Communication Security Equipment Technician	EL=115
2887 - Counter Mortar Radar Repairer	EL=115
3043 - Supply Administration and Operations Clerk	CL=110
3051 - Warehouse Clerk	CL=90
3052 - Packaging Specialist	CL=80
3112 - Traffic Management Specialist	CL=90
3361 - Subsistence Supply Clerk	CL=90
3381 - Food Service Specialist	GT=90
3432 - Finance Technician	CL=110
3451 - Fiscal/Budget Technician	CL=110
3521 - Organizational Automotive Mechanic	MM=95
3531 - Motor Vehicle Operator	MM=85
3533 - Logistics Vehicle System Operator	MM=85
4066 - Small Computer Systems Specialist	GT=110
4067 - Programmer - ADA	GT=110
4341 - Combat Corespondent	GT=105
4421 - Legal Services Specialist	CL=100
4611 - Combat Illustrator	GT=100
4612 - Combat Lithographer	GT=100
4641 - Combat Photographer	GT=100
4671 - Combat Videographer	GT=100
5526 to 5566 - Musician	AFQT Score of 50
5711 - Nuclear Biological and Chemical (NBC) Defense Specialist	GT=110
5811 - Military Police	GT=100
5831 - Correctional Specialist	GT=100
5937 - Aviation Radio Repairer	EL=105
5942 - Aviation Radar Repairer	EL=105
5952 - Air Traffic Control Navigational Aids Technician	EL=105
5953 - Air Traffic Control Radar Technician	EL=105
5954 - Air Traffic Control Communications Technician	EL=105
5962 - Tactical Data Systems Equipment (TDSE) Repairer	EL=105
5963 - Tactical Air Operations Module Repairer	EL=105
6046 - Aircraft Maintenance Administration Specialist	CL=100
6048 - Flight Equipment Technician	MM=105
6061 - Aircraft Intermediate Level Hydraulic/Pneumatic Mechanic	MM=105
6071 - Aircraft Maintenance Support Equipment (SE) Mechanic	MM=105
6072 - Aircraft Maintenance Support Equipment Hydraulic/ Pneumatic Structures Mechanic	MM=105
6073 - Aircraft Maintenance Support Equipment Electrician/ Refrigeration Mechanic	MM=105
6074 - Cryogenics Equipment Operator	MM=105
6091 - Aircraft Intermediate Level Structures Mechanic	MM=105
6092 - Aircraft Intermediate Level Structures Mechanic	MM=105
6311 - Aircraft Communications/Navigation/Electrical/Weapon Systems Technician	EL=105
6312 - Aircraft Communications/Navigation/Weapon Systems Technician - AV-8	EL=105
6314 - Unmanned Aerial Vehicle (UAV) Avionics Technician	EL=105
6316 - Aircraft Communications/Navigation Systems Technician - KC-130	EL=105
6317 - Aircraft Communications/Navigation/Weapon Systems Technician - F/A-18	EL=105
6322 - Aircraft Communications/Navigation/Electrical Systems Technician - CH-46	EL=105
6323 - Aircraft Communications/Navigation/Electrical Systems Technician - CH-53	EL=105
6324 - Aircraft Communications/Navigation/Electrical/Weapon Systems Technician - U/AH-1	EL=105
6326 - Aircraft Communications/Navigation/Electrical/Weapon Systems Technician - V-22	EL=105
6331 - Aircraft Electrical Systems Technician-Trainee	EL=105
6332 - Aircraft Electrical Systems Technician - AV-8	EL=105
6333 - Aircraft Electrical Systems Technician - EA-6	EL=105
6336 - Aircraft Electrical Systems Technician - KC-130	EL=105
6337 - Aircraft Electrical Systems Technician - F/A-18	EL=105
6386 - Aircraft Electronic Countermeasures Systems Technician - EA-6B	EL=105
6511 - Aviation Ordnance Technician	GT=105
6531 - Aircraft Ordnance Technician	GT=105
6541 - Aviation Ordnance Systems Technician	GT=105
6672 - Aviation Supply Clerk	CL=100
6673 - Automated Information Systems (AIS) Computer Operator	CL=100
6821 - Weather Observer	GT=105
7011 - Expeditionary Airfield Systems Technician	MM=95
7041 - Aviation Operations Specialist	CL=100
7051 - Aircraft Firefighting and Rescue Specialist	MM=95
7212 - Low Altitude Air Defense (LAAD) Gunner	GT=90
7234 - Air Control Electronics Operator	GT=105
7242 - Air Support Operations Operator	GT=100
7251 - Air Traffic Controller	GT=105
7257 - Air Traffic Controller	GT=105
7314 - Unmanned Aerial Vehicle (UAV) Air Vehicle Operator	GT=105
7371 - Aerial Navigator	GT=110
7381 - Airborne Radio Operator/Inflight Refueling Observer/ Loadmaster	GT=110

United States Marine Corps Enlisted Job Descriptions and Qualification Factors

FIELD 63/64, AVIONICS

By Rod Powers

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The avionics OccFld includes direct and indirect support of all aviation weapon systems. While there is a large similarity in the skills required to provide this support, the systems being supported are diverse. The following examples are provided: direct support repair accomplished at the organizational maintenance activity (OMA) which is normally accomplished on aircraft, e.g., replacement of the radar antenna on the aircraft; indirect support-repair accomplished at the intermediate maintenance activity (IMA) which is normally accomplished off aircraft, e.g., radar system module repair, and repair/calibration of the radar support equipment. Marines entering the OccFld receive MOS 6300 for OMA, and MOS 6400 for IMA, Basic Avionics Marine, and then progress through specific hard skill MOSs and ultimately are assigned MOS 6391, Avionics Maintenance Chief. Qualifications initially include technical proficiency in the repair of one or more electronic systems after completion of formal training. As the Marine is promoted, repair and administrative requirements for multiple systems take on an equal importance until the Marine is ultimately placed in a supervisory position. Billets for both repair and administration are varied and extend from the squadron level to staff positions at the wing and force commander, and Headquarters U.S. Marine Corps level.

Below are the Marine Corps Enlisted Military Occupation Specialties which are organized under these occupational fields:

63XX

6312 --Aircraft Communications/Navigation/Radar Systems Technician, AV-8

6313 --Aircraft Communications/Navigation/Radar Systems Technician, EA-6

6314 --Unmanned Aerial System (UAS) Avionics Technician

6316 --Aircraft Communications/Navigation Systems Technician, KC-130

6317 --Aircraft communications/Navigation/Radar Systems Technician, F/A-18

6322 --Aircraft Communications/Navigation Electrical Systems Technician, CH-46

6323 --Aircraft Communications/Navigation/ElectricalSystems Technician, CH-53

6324 --Aircraft Communications/Navigation/Electrical/Weapon Systems Technician, U/AH-l

6326 --Aircraft Communications/Navigation/Electrical/Systems Technician, V-22

6332 --Aircraft Electrical Systems Technician, AV-8

6333 --Aircraft Electrical Systems Technician, EA-6

6336 --Aircraft Electrical Systems Technician, KC-130

6337 --Aircraft Electrical Systems Technician, F/A-18

6386 --Aircraft Electronic Countermeasures Systems Technician, EA-6B

6391 --Avionics Maintenance Chief

64XX

6412 --Aircraft Communications Systems Technician, IMA

6413 --Aircraft Navigation Systems Technician, I FF/RADAR/TACAN , IMA

6414 --Advanced Aircraft Communications/Navigation Systems Technician, IMA

6422 --Aircraft cryptographic Systems Technician, IMA

6423 --Aviation Electronic Microminiature/Instrument and Cable Repair Technician, IMA

6432 --Aircraft Electrical/lnstrument/Flight Control Systems Technician, Fixed Wing, IMA

6433 --Aircraft Electrical/Instrument/Flight Control Systems Technician, Helicopter, IMA

6434 --Advanced Aircraft Electrical/Instrument/Flight Control Systems Technician, IMA

6461 --Hybrid Test Set Technician, IMA

6462 --Avionics Test Set (ATS) Technician, IMA

6463 --CASS HP Configuration Operator/Maintainer/Technician, IMA

6464 --Aircraft Inertial Navigation System Technician, IMA

6466 --CASS EO Configuration Operator/Maintainer/Technician/IMA

6467 --Consolidated Automatic Support System (CASS) Technician, IMA

6469 --CASS Test Station IMA Advanced Maintenance Technician, IMA

6482 --Aircraft Electronic Countermeasures Systems Technician, Fixed-Wing, IMA

6483 --Aircraft Electronic Countermeasures Systems Technician, Helicopter, IMA

6484 --CASS EW Configuration Operator/Maintainer/Technician, IMA

6492 -- Aviation Precision Measurement Equipment/Calibration and Repair Technician, IMA

6493 --Aviation Meteorological Equipment Technician, OMA/IMA

Almost everyday, someone sends me an e-mail, or posts a question on our message board concerning security clearances in the military. What is a security clearance? What do they look at? What can keep me from getting a security clearance? How far back to they investigate? How long is a security clearance valid?

What is a Security Clearance?

The military possesses information and technology which could be helpful to our enemies. The unauthorized release of this information can compromise our nation's national security. Unauthorized release can cause battles/wars to be lost, missions to be ineffective, and can result in the death or injury of military and civilian personnel.

A security clearance investigation is an inquiry into an individual’s loyalty, character, trustworthiness and reliability to ensure that he or she is eligible for access to national security information. The investigation focuses on an individual’s character and conduct, emphasizing such factors as honesty, trustworthiness, reliability, financial responsibility, criminal activity, emotional stability, and other similar and pertinent areas. All investigations consist of checks of national records and credit checks; some investigations also include interviews with individuals who know the candidate for the clearance as well as the candidate himself/herself.

In the military, all classified information is divided into one of three categories:

CONFIDENTIAL: Applied to information or material the unauthorized disclosure of which could be reasonably expected to cause damage to the national security.

SECRET: Applied to information or material the unauthorized disclosure of which reasonably could be expected to cause serious damage to the national security.

TOP SECRET: Applied to information or material the unauthorized disclosure of which reasonably could be expected to cause exceptionally grave damage to the national security.

In addition to the above, some classified information is so sensitive that even the extra protection measures applied to Top Secret information are not sufficient. This information is known as "Sensitive Compartmented Information" (SCI) or Special Access Programs (SAP), and one needs special "SCI Access" or SAP approval to be given access to this information.

"For Official Use only" is not a security classification. It is used to protect information covered under the Privacy Act, and other sensitive data.

Who requires a Security Clearance?

Basically, anyone who requires access to classified information to perform their duties. If your job requires you to have access to CONFIDENTIAL information, you would require a CONFIDENTIAL Security Clearance. If your job requires you to have access to SECRET information, you would require to have a SECRET Security Clearance, etc. For military personnel, two things determine the level of security clearance required; your MOS/AFSC/Rating (Job), and your assignment.

Many military jobs require access to classified information, regardless of where one is assigned. In other cases, the job itself may not require a Security Clearance, but the particular location or unit that the person is assigned to would require giving access to classified information and material.

For example, when I first enlisted into the Air Force into the Aircrew Life Support AFSC, the job required a SECRET clearance level. A few years later, however, I was considered for an assignment to a unit which required me to have a TOP SECRET clearance with SCI. Even before I knew I was being considered for the assignment, the Air Force initiated a TOP SECRET/SCI background check.