Sonar Technician – Surface (STG): Navy Reserve

Ever curious who shields the naval fleet from hidden underwater threats?

Inside destroyers, Sonar Technicians work at advanced sonar systems in cool, controlled spaces. They use these tools to spot and track enemy submarines with sharp accuracy.

If you want strong technical training without serving full time, the Navy Reserve STG route can fit well. It combines hands-on work with modern tech and lets you serve part time.

Job Role and Responsibilities

Navy Sonar Technicians – Surface (STG) from the Reserve component run sophisticated sonar systems for underwater threat detection and classification while they keep important electronic systems operational. These technicians function as the fleet’s underwater “eyes and ears” by delivering tactical information to command teams during anti-submarine warfare missions.

Daily Tasks

Core responsibilities during drills and annual training:

• Operating Advanced Sonar Systems Reserve STGs operate the AN/SQQ-89(V) suite. This integrated sonar system helps detect and classify acoustic signatures from submarines, mines, and underwater vehicles. The job requires quick, accurate calls based on what the data shows.
• Maintaining Complex Electronics These technicians keep sonar gear mission-ready. That includes circuit board checks, troubleshooting, software updates, and fast repairs when systems fail.
• Interpreting Acoustic Data Not every contact is a threat. STGs learn how to separate hostile activity from marine life, temperature layers, and other false returns. They do this while the situation unfolds.
• Generating Tactical Reports Good records support good decisions. STGs document contact details, system status, and threat assessments in reports that support follow-on planning and analysis.
• Communicating with CIC Teams Sonar results must move fast. STGs pass key findings to Combat Information Center (CIC) teams so watch officers and operators can act on reliable acoustic information.

Specific Roles

STG Reservists can qualify for different Navy Enlisted Classifications (NECs) that mark specialized training and duties:

Mission Contribution

STG Reservists help anchor the Navy’s anti-submarine warfare mission. Their ability to detect and classify underwater contacts gives surface ships early warning against submarine threats.

Their work matters most when conditions get tense. In those moments, they review acoustic signals to separate routine activity from real risk and pass results to the team that makes tactical decisions.

Reserve STGs keep their skills sharp through monthly drills and annual training. That readiness allows them to augment fleet operations during surge periods, emergencies, and scheduled missions, while active-duty crews may stay underway for long stretches.

Technology and Equipment

STG Reservists train on advanced underwater surveillance and countermeasure systems, including:

• AN/SQQ-89(V) integrated sonar suite. Primary sonar system on many surface ships
• AN/SLQ-25 Nixie torpedo countermeasures
• Bathythermographs to measure water temperature across depth layers
• Oceanographic sensors for collecting environmental data
• Classified acoustic analysis software for signature recognition
• Underwater fire control systems used to support anti-submarine weapons employment

Work Environment

Setting and Schedule

STG Reservists usually work in two main settings.

During monthly drill weekends, they report to Navy Reserve Centers. Some drills also happen on ships in port. Most work takes place in climate-controlled spaces with sensitive electronic gear. A typical drill weekend includes about 16 work hours split between Saturday and Sunday.

During annual training, which is usually two weeks each year, they support active-duty ships or shore sites. Many work in sonar control rooms on destroyers or cruisers. These areas stay clean, bright, and kept at steady temperatures to protect equipment.

Schedules change by location. Annual training often follows shipboard watch rotations. Drill weekends tend to follow a more predictable 8-hour day format.

Leadership and Communication

STG Reservists work within a clear chain of command:

1. Division Leading Petty Officer (LPO)
2. Division Chief Petty Officer (LCPO)
3. Division Officer
4. Department Head
5. Executive Officer
6. Commanding Officer

Leaders give feedback in two ways. Formal reviews happen through annual evaluations (EVAL/FITREP). Informal feedback comes through routine counseling with senior enlisted leaders. The Reserve side also puts extra focus on documenting qualifications and achievements, since drill time is limited.

Team Dynamics and Autonomy

STG work mixes independent skill with tight teamwork.

A single technician may analyze a contact and make an initial call. The team then uses that information to support anti-submarine decisions. That work depends on smooth coordination with the combat information center, tactical action officers, and weapons teams.

Newer STGs usually work under close supervision. As they earn qualifications, they take on more responsibility in contact classification and maintenance. By E-5 (Petty Officer Second Class), many STGs can make independent decisions on contact calls and equipment troubleshooting.

Job Satisfaction and Retention

STG Reservist retention sits around 65% after the first enlistment, which is higher than many other technical ratings. Several factors drive that trend:

• Technical skills that transfer to civilian jobs
• The mental challenge of acoustic analysis
• Satisfaction from supporting national security
• Strong teamwork in small, specialized crews

Units often measure success through qualifications earned, advancement exam performance, and readiness assessments. Many STGs value the technical training opportunities. Some also report a real challenge: keeping skills sharp with limited drill time.

Training and Skill Development

Initial Training

The initial training pipeline takes about 9 months. It starts at boot camp, where recruits learn military basics and meet fitness and conduct standards.

Next comes “A” School. This phase covers acoustic theory, electronics troubleshooting, and sonar operations. Training uses simulators that mirror shipboard conditions, so students practice realistic scenarios.

Reservists with no prior service follow the same training track as active-duty sailors. Sailors moving from active duty into the Reserves may skip parts of training when they already hold the needed qualifications.

Advanced Training

STG Reservists can pursue several advanced training options:

• C-Schools for specific sonar system maintenance (2 to 12 weeks)
• Advanced acoustic analysis courses
• Anti-submarine warfare tactical training
• Leadership courses tied to advancement
• Cross-training with submarine sonar technicians (STS)

The Navy also supports professional growth through tuition assistance. Many STGs take college classes in electronics, computer science, or oceanography. Military training can also translate into college credit, depending on the school.

Physical Demands and Medical Evaluations

Physical Requirements

STG work is not one of the Navy’s most physical jobs, but it still has clear demands:

• Standing watch for long periods (4 to 6 hours)
• Lifting components up to 50 pounds
• Climbing ladders and moving through tight ship spaces
• Staying ready for emergencies

Most daily demands involve steady focus during watch, careful hand work during maintenance, and occasional heavy lifting during installs or removals.

Current Physical Readiness Test (PRT) requirements for the youngest age bracket (17 to 19):

Medical Evaluations

STGs must meet and maintain several medical standards:

• Normal hearing, including specific frequency thresholds (3000 to 6000 Hz)
• Normal color vision for reading and interpreting displays
• Clear speech for fast, accurate communication
• Annual physical health assessment (PHA)
• Regular hearing exams to track changes over time

Reservists usually complete these checks during medical readiness drill weekends. Most units conduct hearing tests every year because the job involves regular exposure to sound across many frequency ranges.

Deployment and Duty Stations

Deployment Details

STG Reservists deploy less often than active-duty STGs. They can still mobilize when the Navy needs them.

• Mobilizations often last 6 to 12 months once activated.
• Deployments can be overseas (Pacific, Mediterranean, Persian Gulf) or within the U.S.
• The chance of deployment depends on world events and manning needs.
• Many first-term Reservists receive a two-year deferment from involuntary mobilization.

When mobilized, STGs may serve on destroyers, cruisers, or at shore-based surveillance sites. They perform the same core duties as active-duty personnel.

Location Flexibility

Duty station options depend on several factors:

• Which Navy Operational Support Centers (NOSCs) have STG billets
• A sailor’s qualifications and experience
• Current staffing needs
• Personal preference, which leaders may consider but cannot promise

Large fleet areas like San Diego, Norfolk, and Mayport often offer more Reserve STG slots. Reservists can submit location requests through career counselors. Transfers may also open up during reenlistment windows.

Career Progression and Advancement

Career Path

Advancement opportunities include:

• Competitive exams that cover technical topics and Navy standards
• Performance evaluations that track skill and leadership
• Documented qualifications in service records
• Awards and recognition for high performance

Role Flexibility and Transfers

STG Reservists have several paths if they want a change:

• Convert to related ratings like Electronics Technician (ET) or Fire Controlman (FC)
• Apply for a transfer to active duty through the Active Component/Reserve Component (AC/RC) program
• Relocate by cross-assigning to a different Reserve center

Most transitions follow a standard process. The sailor submits a request through the chain of command. A career counselor reviews it. The Navy then decides based on staffing needs and the sailor’s qualifications.

Performance Evaluation

The Navy measures STG Reservist performance using:

• Annual evaluations (EVAL/FITREP)
• Advancement exam results
• Qualification completion progress
• Physical readiness test scores

Strong performance comes from steady skill growth and dependable participation. High performers usually pursue advanced qualifications, keep consistent drill attendance, and contribute actively during annual training.

Salary and Benefits

Financial Benefits

Reserve pay is based on your pay grade, years of service, and the type of orders you are on. DFAS publishes the 2026 reserve drill pay table.

The examples below use 2 years or less of service, a standard drill weekend (4 drills), and 14 days of annual training.

Estimated annual total assumes 12 drill weekends (48 drills) and 14 days of annual training. Taxes, allowances, and special pays can change the total.

When you are on active duty orders, you are paid using the 2026 active duty basic pay table and may qualify for allowances like housing (BAH) and food (BAS). See the BAS rates.

Other pay items can apply based on your assignment and qualifications:

• Career Sea Pay: If you are assigned to qualifying sea duty while on active orders, you may receive career sea pay.
• Submarine Duty Incentive Pay: Qualified Sailors assigned to submarine duty can receive monthly submarine pay while on active orders.

Additional Benefits

• Healthcare: TRICARE Reserve Select is available for many drilling Reservists, with premiums and eligibility that can change by plan year.
• Retirement: Retirement points and a Reserve retirement for qualifying service (often described as 20 good years).
• Education: GI Bill and other education benefits may be available based on eligibility and service.
• Other benefits: Commissary and exchange access, VA home loan eligibility, and other benefits based on status and time in service.

Risk, Safety, and Legal Considerations

Job Hazards

STG Reservists may face hazards tied to electronics work and shipboard operations:

• Electrical shock risk during maintenance and repairs
• Hearing damage from repeated exposure to certain sound ranges
• Shipboard hazards during deployments, including tight spaces and rough seas
• Combat exposure risk during wartime deployments

Safety Protocols

The Navy uses multiple layers of safety controls to reduce risk:

• Step-by-step maintenance procedures that include safety warnings
• Required personal protective equipment for specific tasks
• Safety stand-downs and routine safety training
• Hearing conservation programs with required protective gear
• Operational risk management reviews before high-risk work

Security and Legal Requirements

STG Reservists must meet security and conduct standards:

• Secret security clearance at a minimum
• Top Secret clearance for some assignments
• Compliance with the Uniform Code of Military Justice
• Proper handling of classified information
• Availability for mobilization when activated

A clearance process includes a background investigation, reference checks, and periodic reinvestigations. STGs work with sensitive acoustic information, so they must follow information security rules at all times.

Impact on Family and Personal Life

Family Considerations

Reserve service creates unique family dynamics:

• Predictable monthly drill schedules allow for advance planning
• Annual training periods require family adaptation
• Potential for unexpected mobilizations during international crises
• Separation during deployments with limited communication Support systems include:
• Family Readiness Groups providing information and assistance
• Military OneSource offering counseling and resources
• Child care assistance during drill weekends at some locations
• Communication tools during deployments

Relocation and Flexibility

The Reserve component offers greater geographic stability than active duty:

• Typically drill at the same location for years
• Transfers possible but not mandatory
• Can request relocation if moving for civilian employment
• May travel to annual training locations away from home

Post-Service Opportunities

Transition to Civilian Life

STG skills translate well to civilian careers:

• Electronics technician roles in various industries
• Sonar operators for oceanographic research
• Defense contractors supporting Navy sonar systems
• Cybersecurity positions leveraging security clearance
• Technical instructors for sonar and electronics training Programs supporting transition include:
• Navy COOL certification funding
• SkillBridge internships during final service months
• Veterans preference for federal employment
• Resume translation services through Transition Assistance Program

Civilian Career Prospects

Qualifications and Eligibility

Basic Qualifications

Application Process

1. Contact a Navy Reserve recruiter
2. Complete preliminary screening
3. Take or submit existing ASVAB scores
4. Complete physical examination at Military Entrance Processing Station (MEPS)
5. Select STG rating if available and qualified
6. Complete security clearance paperwork
7. Ship to Recruit Training Command (boot camp)
8. Complete STG “A” School and follow-on training
9. Report to assigned Navy Operational Support Center

The process typically takes 3-6 months from initial contact to shipping date, with training lasting approximately 9 months before reaching the first Reserve assignment.

Selection Criteria and Competitiveness

STG is moderately competitive, with selection based on:

• Meeting minimum ASVAB requirements
• Clean background for security clearance eligibility
• Normal hearing and vision test results
• Available training slots and Navy needs

Factors strengthening applications include higher ASVAB scores, prior electronics experience, and education in related technical fields.

Is This a Good Job for You? The Right (and Wrong) Fit

Ideal Candidate Profile

STG Reserve positions suit individuals with:

• Strong analytical thinking and pattern recognition abilities
• Technical aptitude and interest in electronics
• Attention to detail and patience for monitoring tasks
• Ability to maintain focus during repetitive operations
• Interest in acoustics and underwater technologies
• Desire for technical skills without full-time military commitment

The role rewards methodical problem-solvers who enjoy technical challenges and can make quick decisions based on ambiguous data.

Potential Challenges

This role might not suit those who:

• Prefer outdoor work environments
• Dislike confined spaces (shipboard environments)
• Struggle with technical concepts or electronics
• Need constant variety in daily tasks
• Have difficulty maintaining security clearance eligibility
• Cannot commit to regular drill attendance

The technical nature of the rating requires ongoing study and adaptation to new systems, which can challenge those seeking simplicity.

Career and Lifestyle Alignment

Consider how STG aligns with your goals:

• Career Enhancement: Ideal for those in technical civilian careers seeking complementary skills
• Educational Goals: Compatible with pursuing technical degrees while serving
• Work-Life Balance: More predictable than active duty, but still requires commitment
• Geographic Stability: Better than active duty, but still involves travel for training

More Information

Ready to explore how your technical aptitude could protect America’s fleet? The Navy’s Sonar Technician program offers cutting-edge training that enhances both your military and civilian career prospects.

Contact your local Navy Reserve recruiter today to discuss how your skills align with the STG rating and to learn about current enlistment incentives.

With just one weekend a month and two weeks a year, you can develop expertise in advanced sonar systems while continuing your civilian career.

You may also be interested in the following related Navy Reserve Enlisted Surface Combat Systems jobs:

• Robotics Warfare Specialist (RW)

• Electronics Technician (ET)