Joint Fire Support Specialists (MOS 13F) gather intelligence for the U.S. Army and its artillery teams.
Also commonly known as forward observers, there are several duties in MOS 13F that include establishing communication systems, encoding and decoding messages, as well as determining target locations.
Learn more about the expectations of an Army Joint Fire Support Specialist (MOS 13F) by reading about job expectations, required training, duties, and pay.
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Education, Qualifications, Training, and Duty Stations
Army Joint Fire Support Specialists support the Army artillery team which is out in the field during combat.
The forward observer specialist needs to use computers as well as manual calculations in order to determine target locations.
As a result, there is some education, qualifications, and training required.
The U.S. Army will consider anyone with a high school diploma or GED for starters.
If you are interested in the Army you should consult a nearby recruiting office.
Army recruiting offices are located all over the nation, and a rep can also contact you over the phone.
The recruiter will explain that the next step is to complete the Armed Services Vocational Aptitude Battery (ASVAB).
The series of tests are used to determine what military MOS listing is most appropriate for your skills.
If you are interested in MOS 13F you need to have a score of at least 96 on Field Artillery (FA).
The other subtests you must complete on ASVAB (though no minimum score are required) are Arithmetic Reasoning (AR), Mathematics Knowledge (MK), Coding Speed (CS), and Mechanical Comprehension (MC).
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After completing the ASVAB and scoring Field Artillery (FA): 96 it is time to meet other job requirements of an Army Joint Fire Support Specialist (MOS 13F).
There is security clearance required to become MOS 13F.
The process of gaining confidential or secret security clearance requires a very thorough investigation into your personal character and conduct.
Because of their duties acting as a forward observer, Army Fire Support Specialists also must have good eyesight.
This includes having normal depth perception, no colorblindness, and distant visual acuity are all important.
It should be noted that the vision requirements allows you to use corrective lenses to qualify.
Though not mandatory the Army mentions that MOS 13F should work well in a team, physically fit, mentally prepared to work under high pressure, and have the ability to multi-task.
An interest in cannon and rocket operations is an added bonus, but not completely necessary.
All new Army recruits begin with boot camp which is officially called Basic Combat Training (BCT).
Basic Combat Training lasts for 10 weeks before progressing to Advanced Individual Training (AIT).
AIT for Army Joint Fire Support Specialists (MOS 13F) takes place at Fort Sill in Oklahoma and lasts for six weeks.
Like all other Advanced Individual Training in the Army, learning is a combination of in-classroom and on-the-field training.
You will learn how to operate guns, missiles, and rocket systems.
There is also training for artillery tactics, techniques, and procedures.
A huge duty of an Army Joint Fire Support Specialist is to compute target locations, which you will also receive training on at Fort Sill.
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Those serving in the Army as an MOS 13F can expect to be potentially based at one of the following duty stations:
Inside the Continental US (CONUS)
- Ft. Benning, GA
- Ft. Bliss, TX
- Ft. Bragg, NC
- Ft. Campbell, KY
- Ft. Carson, CO
- Ft. Drum, NY
- Ft. Hood, TX
- Ft. Hunter, CA
- Ft. Leonard Wood, MO
- Ft. Lewis, WA
- Ft. Polk, LA
- Ft. Riley, KS
- Ft. Sill, OK
- Ft. Stewart, GA
Outside the Continental US (OCONUS)
- Ft. Richardson, AK
- Ft. Wainwright, AK
- Grafenwoehr, Germany
- Katterbach Germany
- Vilseck, Germany
- Schofield, HI
- Casey, South Korea
- Red Cloud, South Korea
- Humphreys, South Korea
- Hovey, South Korea
- Logistics Readiness Center, Bavaria, Germany
- Camp Red Cloud, Korea (Closed as of 2018)
What does an Army Fire Support Specialist Do?
Joint Fire Support Specialists are a member of the field artillery team in the U.S. Army.
As a result, they deal with high powered weapons like rockets and missiles that support ground infantry and tank units during combat.
Though MOS 13F are trained to use heavy artillery their primary responsibility is to lead, supervise, or serve in intelligence activities.
The most important form of intelligence is locating targets and processing artillery units and brigade maneuvers to act accordingly.
As a result, MOS 13F will establish a communications system, which they can operate during battle.
There is also the need to use intelligence to encode and decode messages.
Army Joint Fire Support Specialists use laser range fingers and other target devices to locate the enemy via forward observation.
The objective is to determine target location using computers or manual calculations, aspects you will be trained on during AIT.
Soldiers in MOS 13F will also back-up in combat situations where they may need to request or adjust field artillery, mortar, or naval gunfire.
Additionally, soldiers are sometimes called upon for suppressive and screening fire.
Though it may not sound as exciting as action in the field – Army Joint Fire Support Specialists spend a good deal of time doing clerical duties.
These tasks may not seem urgent or interesting yet are critical to the overall welfare of the U.S. Army.
Consequently, a specialist will spend time preparing fire support situation plans and maps, building status charts, capability overlays, and target lists.
Additionally, Army Joint Fire Support Specialists may spend time training subordinates during downtime.
There is also a need to maintain vehicles, generators, and artillery during downtime.
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What does an Army Fire Support Specialist make?
The U.S. Army does not determine pay based on your Military Occupation Specialty (MOS).
Instead, pay is factored based on 1) Army rank, and 2) years of service.
Here is a general idea of what you might expect to earn based on Army rank:
|Insignia||Pay Grade||Rank||Abbreviation||Minimum Monthly Pay|
|E-2||Private Second Class||PV2||$1,943|
|E-3||Private First Class||PFC||$2,043|
|E-7||Sergeant First Class||SFC||$3,114|
|E-9||Command Sergeant Major||CSM||$5,473|
|E-9||Sergeant Major of the Army||SMA||$5,473|
Even though some complain that the U.S. Military does not pay great the number of benefits is excellent:
- Medical Insurance
- Vacation Time (PTO)
- Special Pay
- Education: Army members can earn full-tuition, merit-based scholarships, allowances for books and fees, plus annual stipend for living expenses.
- Housing: Allowances for living expenses, utilities, and maintenance.
- Food: Allowance for the on-base dining hall and access to tax-free department and grocery stores
The job reviews on Indeed.com and GlassDoor.com are largely positive related to Army Joint Fire Support Specialist (MOS 13F).
Another poster summarized it very well:
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Civilian Job Opportunities
There is no direct civilian career equivalent of an Army Joint Fire Support Specialist (MOS 13F).
However, many of the leadership skills and team-building exercises you complete in the military serve well in any chosen career path.
Army Joint Fire Support Specialists (MOS 13F) are critical to on-the-field combat operations.
The most important duty of MOS 13F forward observers is to gather intelligence and locate enemy targets.
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What is a 13F MOS in the Army?
Joint Fire Support Specialists (MOS 13F) gather intelligence for the U.S. Army and its artillery teams, establish communications systems and decode messages.
Does MOS 13F require security clearance?
Joint Fire Support Specialists (MOS 13F) initially require two levels of security clearances: Confidential level during training and an upgrade to Secret to advance.
How long is AIT for MOS 13F?
Advanced Individual Training (AIT) for MOS 13F lasts 11 weeks, with time spent in the classroom and in field with on-the-job training. It's currently conducted at Ft. Sill, OK.
What ASVAB scores are required to become an MOS 13F in the Army?
To qualify as a Joint Fire Support Specialist (13F), you'll need to score a minimum of 96 on the Field Artillery (FA) portion of the ASVAB test.
What can I do after the army as a 13F?
Skills learned as a 13F can apply to jobs in computer and communications technology. Several tech companies have paired with the Army PaYS program to hire 13F specialists.