880A Marine Deck Officer

The Army operates a fleet of watercraft that most people don’t know exists. Vessels cross open ocean, navigate coastal waters, and deliver cargo to beachheads where no port exists. Someone has to command them – and that someone is a Warrant Officer holding MOS 880A.

As a Marine Deck Officer, you don’t just operate a boat. You hold a USCG-recognized command credential, navigate using celestial and electronic methods, manage a crew, and plan missions that connect land forces to the sea. You’re a licensed mariner in uniform. This is one of the few Army jobs where your military training translates directly into a federally recognized civilian maritime credential, and where you start commanding vessels as a WO1.

Warrant officer candidates need a GT score of at least 110 — our ASVAB study guide covers what drives that number.

Job Role and Responsibilities

The 880A Marine Deck Officer commands U.S. Army Watercraft System (AWS) vessels operating on lakes, bays, rivers, sounds, coastal waters, and open ocean. Warrant officers in this MOS are responsible for navigation, crew leadership, vessel readiness, cargo operations, and force protection aboard Class A1 and Class A2 Army vessels. They plan and execute waterborne sustainment and amphibious operations in support of Army and joint force commanders.

What This Warrant Officer Actually Does

The 880A owns the ship. Every aspect of vessel operation and mission planning falls under your authority. At the WO1 and CW2 levels, you command Class A1 vessels in inland and coastal environments, developing hands-on proficiency in all navigation disciplines. By CW3, you qualify for ocean operations aboard Class A2 vessels and begin advising commanders at the battalion and brigade level on watercraft employment and capabilities.

Key technical responsibilities include:

• Navigation using ECDIS, radar, chart plotting, compass, and celestial methods
• Weather and oceanographic analysis for route planning and sea-state assessments
• Cargo loading, ballasting, and stability management
• Crew assignment, training, and discipline
• Vessel communications, including radio and visual signaling
• Pollution prevention, vessel sanitation, and firefighting readiness
• Risk assessment and Composite Risk Management (CRM) for maritime operations
• Coordination of helicopter and airborne operations from vessels
• Maintenance management and seaworthiness certification

MOS Codes and Designations

The 880A and 881A are the two core maritime warrant officer MOS in the Transportation Corps. Most watercraft units carry both, with the 880A owning the deck and operations while the 881A manages engineering.

How This Role Fits the Army’s Mission

The Army uses watercraft when bridges are blown, ports don’t exist, or the tactical situation requires amphibious approach. The Army Watercraft System supports logistics across Joint Logistics Over-the-Shore (JLOTS) operations, theater opening, and sustainment in austere environments. An 880A is not a staff officer managing a requirement – they are the commander of a vessel executing that requirement under real conditions.

Warrant officers bridge the technical gap between the 88K watercraft operator crew and the commissioned Transportation officer overseeing the unit. The 880A keeps the crew qualified, the vessel seaworthy, and the mission executable. When a commander asks whether a particular sea state allows a landing, the 880A answers that question with authority.

Salary and Benefits

Base Pay at Realistic Warrant Officer Career Points

Most 880A candidates enter warrant officer training with at least four to six years of enlisted service as an 88K Watercraft Operator, which means their total years of service (YOS) count continues from their enlisted time. All 2026 figures are sourced from DFAS.

Base pay is only part of total compensation. Warrant officers receive the officer rate for Basic Allowance for Subsistence ($328/month in 2026) and Basic Allowance for Housing (BAH) based on duty location and dependent status. At Joint Base Langley-Eustis, VA – the primary 880A duty station – a W-2 without dependents draws roughly $1,608/month in BAH; with dependents, approximately $2,013/month.

Special Pays and Bonuses

The Army has offered an accession bonus of up to $20,000 for qualified 880A candidates, plus a Student Loan Repayment Program (SLRP) option of up to $30,000 for those with qualifying education debt. Bonus availability changes with Army manning priorities – verify current offers through the Warrant Officer Recruiting office before submitting your packet.

Hazardous duty pay applies when operating in designated hazardous environments. Overseas assignments (Japan, Korea, Germany) come with additional incentive pays tied to location.

Additional Benefits

Active duty warrant officers receive TRICARE Prime at no cost – zero premiums, zero deductibles, zero copays for the member and family. Dental and vision are included. This benefit alone is worth several hundred dollars per month compared to civilian alternatives.

The Blended Retirement System (BRS) pairs a pension with Thrift Savings Plan matching. After two years of service, the government matches up to 4% of basic pay in TSP contributions. A WO who serves 20 years collects 40% of their high-36 average basic pay as a monthly pension for life. Many 880A warrant officers stay well past 20 years – 25 to 30-year careers are common given the tight community and specialized skills.

Thirty days of paid leave per year accrue automatically, plus 11 federal holidays. Tuition Assistance covers up to $4,500 per year for college coursework during service.

Qualifications and Eligibility

Appointment Path

The 880A has one primary appointment path: enlisted-to-warrant from the 88K (Watercraft Operator) feeder MOS. Unlike aviation or cyber warrant officer MOS, there is no direct civilian or street-to-seat appointment. You must have hands-on watercraft experience before the Army will consider you to command a vessel.

The baseline requirement from the warrant officer program is SGT (E-5) or above, but in practice 880A candidates typically hold the rank of SSG (E-6) with several years of experience as a Watercraft Operator. The Army wants documented proficiency before it puts you in command.

The color vision standard is specific to this MOS and non-negotiable. Navigation depends on reading chart colors, signal lights, and buoy systems accurately. Candidates who fail the pseudoisochromatic plates test are disqualified regardless of other qualifications.

WOCS: Warrant Officer Candidate School

All warrant officer candidates attend Warrant Officer Candidate School (WOCS) at Fort Novosel, Alabama (formerly Fort Rucker). WOCS runs approximately 5 weeks. The course focuses on Army leadership doctrine, warrant officer roles and responsibilities, military customs and courtesies, and physical fitness. It is demanding by design – you are being selected for a position of technical authority and command, and the school tests your ability to operate under pressure.

The WOCS application packet includes a DA Form 61, evaluations and NCOERs, letters of recommendation, transcripts, physical examination results, and the MOS-specific Marine Certification Form with endorsement from a senior 880A or 881A.

Test Requirements

All warrant officer applicants require a minimum GT score of 110 (Verbal Expression + Arithmetic Reasoning composite). There is no SIFT requirement for 880A – the SIFT is specific to aviation warrant officer MOS. If your GT score is below 110, you must retest; this score is non-waiverable.

The TABE (Test of Adult Basic Education) mathematics portion is a separate requirement unique to this MOS. You must demonstrate 12th-grade math competency. This reflects the navigation, load calculation, and stability computation demands of the job.

Active Duty Service Obligation

Upon appointment, all warrant officers incur an Active Duty Service Obligation (ADSO). The standard ADSO for non-aviation warrant officers is three years from completion of WOBC. Your total service obligation – prior enlisted time plus ADSO – should factor into your career planning before you submit a packet.

See our ASVAB study guide for a study plan focused on the GT composite.

Work Environment

Daily Work Setting

At Joint Base Langley-Eustis, a typical garrison day starts early. Pre-mission vessel checks, crew training, maintenance coordination, and administrative work fill the morning. Afternoon hours may include navigation exercises, safety drills, or mission planning. When the unit deploys to the field or trains at sea, the schedule shifts to operations tempo – longer days, less predictable hours, direct command responsibility.

The physical environment is maritime. You work on the water, sometimes in significant sea states, in weather that doesn’t accommodate a standard Army schedule. Officers must be comfortable with discomfort at sea.

Position in the Unit

The 880A sits outside the standard command chain in the same way other warrant officers do – you are not an executive officer, you don’t command a company in the administrative sense, but you do hold command authority over your vessel and crew. In the Army’s maritime units, the 880A is the vessel commander. That’s real authority with real legal responsibility.

Your relationship with the commissioned Transportation officer in your unit is advisory: you are the technical expert. They set the mission; you determine whether it’s feasible and how to execute it safely. Senior NCOs in your section – typically 88K SGTs and SSGs – look to you for technical guidance and final decisions on vessel employment.

Technical vs. Staff Work by Rank

Training and Skill Development

Warrant Officer Basic Course (WOBC)

After WOCS, 880A warrant officers attend the Warrant Officer Basic Course at the Maritime and Intermodal Training Department (MITD) of the U.S. Army Transportation School, located at Joint Base Langley-Eustis, Virginia. The MITD is the Army’s maritime training center – every Army mariner trains there.

WOBC provides progressive mariner instruction building from basic navigation through advanced coastal operations. Graduates earn A1 certification under Army Regulation 56-9, which authorizes command of Class A1 vessels. USCG and STCW-recognized certifications are incorporated into the training pipeline, giving you credentials that carry weight in the civilian maritime industry.

Warrant Officer Intermediate Course (WOIC)

The WOIC builds on WOBC skills for CW2 and CW3 officers. Graduates earn A2 certification, which authorizes ocean-going vessel operations. This course also prepares warrant officers for staff-level liaison positions at higher echelons.

Warrant Officer Advanced Course (WOAC)

CW3 officers attend the Warrant Officer Advanced Course, which covers advanced leadership, tactical employment of watercraft at the company and higher levels, and staff advisory skills for brigade and division positions.

Warrant Officer Intermediate Level Education (WOILE)

WOILE is a 5-week, MOS-immaterial resident course attended at the CW3 or CW4 level. It prepares warrant officers for service at higher echelons and develops the skills needed to operate effectively in joint and interagency environments. Topics include vessel defense, Joint Logistics Over-the-Shore (JLOTS) packages, and C5ISR systems as they apply to maritime operations.

Warrant Officer Senior Service Education (WOSSE)

Senior CW4 and CW5 officers attend WOSSE – a two-phase course covering distance learning and a resident component. It prepares senior warrant officers for service at DA level and above, covering policy, strategic advisory roles, and senior technical leadership.

Additional Training and Certifications

The Army funds several maritime certifications through the MITD and Army COOL (Credentialing Opportunities On-Line):

• USCG Merchant Mariner Credential (MMC) – federally recognized mariner license
• STCW (Standards of Training, Certification and Watchkeeping) certifications
• Basic and Advanced Firefighting (maritime)
• Medical First Aid (STCW standard)
• Proficiency in Survival Craft
• Radar Observer certification

Tuition Assistance covers up to $4,500 per year for college coursework. Many 880A warrant officers complete bachelor’s or master’s degrees in maritime studies, logistics, or business during their service.

A qualifying GT score comes first — our ASVAB study guide covers the subtests that drive GT.

Career Progression and Advancement

Career Timeline

WO1 to CW2 is automatic after completing WOBC and meeting time requirements. CW3 and above are board-selected. Promotion to CW5 is highly competitive – fewer positions exist at that rank, and selection depends on a strong OER record, broadening assignments, and documented impact at successively higher echelons.

What Drives Board Selection

Warrant officers receive Officer Evaluation Reports (OERs) using DA Form 67-10-1A (Warrant Officer version), governed by DA Pam 623-3. The factors that matter most at CW3 and CW4 selection boards:

• Sustained superior performance across multiple OER rating periods
• Command time (vessel command documented in evaluations)
• Broadening assignments: joint duty, interagency, instructor positions at MITD
• Advanced civilian education (bachelor’s or master’s degree)
• Additional USCG certifications or maritime qualifications beyond Army minimums
• Performance in positions above your grade level

CW5 as Branch Technical Expert

A CW5 in this MOS serves as the Army’s senior maritime deck authority. At this level, you may advise the Army G4, TRANSCOM, or joint staff on watercraft employment, doctrine updates, and acquisition programs. You are not in day-to-day vessel command – your role is to ensure the Army’s watercraft capability remains technically sound and operationally relevant.

The 880A community is small. There are fewer than a few hundred active-duty 880A billets across the Army. Getting to CW5 requires being the best technical officer in a small, closely watched community.

Physical Demands and Medical Evaluations

Army Fitness Test Standards

All soldiers, including warrant officers, take the Army Fitness Test (AFT), which replaced the ACFT on June 1, 2025. The AFT has five events scored 0-100 each, with a maximum of 500 points total. The minimum passing standard is 60 points per event.

The 880A MOS is not among the 21 designated combat MOSs requiring the higher 350-point combat specialty standard. The general standard of 300 total points (sex- and age-normed) applies.

MOS-Specific Medical Requirements

Beyond the AFT, 880A has specific physical standards that reflect the demands of shipboard life and navigation work:

• Physical profile of 222221 or better (no significant limiting profiles)
• Visual acuity correctable to 20/20 in one eye and 20/40 in the other
• Color vision – no more than 4 errors on pseudoisochromatic plates; this standard is strict and non-waiverable
• Must be able to perform shipboard firefighting and damage control tasks

There is no flight physical requirement for this MOS. Annual physical exams are standard for all active duty soldiers. Color vision is re-evaluated if there is any change in visual health status.

Deployment and Duty Stations

Where 880A Warrant Officers Are Assigned

The 880A community is geographically concentrated. Joint Base Langley-Eustis, Virginia is the primary duty station, with approximately three-quarters of the active-duty Army watercraft fleet stationed there. The Army Transportation School and the MITD are also located at JBLE, which means training and operational assignments frequently overlap at the same installation.

Other CONUS locations with documented 880A billets include Alabama, California, Florida, Illinois, Kentucky, Michigan, North Carolina, Texas, and Washington. Overseas assignments exist in Japan, Germany, Korea, Italy, Guatemala, Honduras, Kuwait, and Uzbekistan. Remote locations such as Kwajalein Atoll and Bishop Point, Hawaii are also assigned positions.

HRC manages warrant officer assignments. Preferences are submitted, but unit vacancies and Army needs drive actual orders. Given the small size of the 880A community, most warrant officers will serve at JBLE at multiple points in their career.

Deployment Tempo

Army watercraft units deploy in support of theater sustainment operations, humanitarian response, and JLOTS exercises. The 880A community does not deploy at the same frequency as combat arms units, but operational tempo can be significant. Major exercises – including DEFENDER series and Pacific Pathway – regularly require maritime warrant officers.

Peacekeeping, theater opening, and named operation support missions have sent 880A warrant officers to Europe, the Pacific, and the Middle East. Deployment length typically runs 6-12 months. Between deployments, garrison duty at JBLE focuses on vessel certification, crew training, and readiness maintenance.

Risk, Safety, and Legal Considerations

Hazards Unique to Maritime Operations

Operating a vessel in open ocean or during amphibious operations carries real physical risk. Man-overboard situations, high sea states, cargo shift during transit, and vessel casualty (flooding, fire, engine failure) are not theoretical hazards. The 880A must be current in damage control, firefighting, and emergency procedures – not as a check-the-box requirement but as operational necessity.

Operational risk goes beyond personal safety. An 880A vessel may carry combat vehicles, fuel, ammunition, or personnel in tactical situations. A navigation error or cargo loading failure in those contexts has mission-level consequences.

Safety Frameworks

The 880A applies Composite Risk Management (CRM) and, for maritime-specific operations, Total Risk Management (TRM) frameworks derived from USCG and STCW standards. As vessel commander, you sign off on the risk assessment for every underway evolution.

AR 56-9 governs Army watercraft operations and specifies certification, inspection, and safety requirements for every vessel class. Compliance is not optional – vessel commanders who operate outside AR 56-9 standards face UCMJ action and personal liability.

Command Authority and Responsibility

This is one of the few Army warrant officer MOS where command authority is explicit and codified. The vessel commander holds legal authority over crew discipline, vessel safety, and mission execution. Under maritime law, the commanding officer of a vessel bears personal responsibility for the vessel and everyone aboard.

UCMJ applies fully. Technical failures that result from negligence, or safety violations that cause injury or mission failure, carry both administrative and criminal exposure. The authority is real; so is the accountability.

Impact on Family and Personal Life

What to Expect at JBLE

Families assigned to Joint Base Langley-Eustis live in the Hampton Roads, Virginia area. The region has a large military population, reasonable cost of living relative to other coastal Virginia locations, and good school systems. The installation has full support services including Army Community Service (ACS), a Family Readiness Group (FRG) structure, and strong spouse employment prospects given the density of military and defense industry employers in the area.

Overseas assignments – particularly Japan and Germany – require more significant family planning. Some remote locations (Kwajalein, for example) have limited family housing options and may involve an unaccompanied tour.

PCS Tempo and Stability

The 880A community’s small size means PCS moves are less frequent than in larger MOS communities. Most warrant officers spend extended time at JBLE across multiple assignments with periodic overseas tours. Compared to commissioned officer branch career patterns, which often require moves every 2-3 years, 880A warrant officers tend to have more predictable assignment patterns after their initial WOBC.

Warrant Officer Lifestyle vs. Enlisted and Officer Paths

The warrant officer path offers something the enlisted and commissioned paths don’t: deep technical focus without the rotation through command-and-staff development that commissioned officers navigate. You won’t be sent to a logistics staff billet to punch a career ticket. Your evaluations reflect what you know and what you’ve done at sea.

That said, the lifestyle is operationally demanding. Vessels don’t keep office hours. Field training and deployment commitments affect family schedules. Work-life balance during garrison periods is reasonable, but underway operations and pre-deployment preparation periods are intense.

Reserve and National Guard

Component Availability

The 880A MOS exists in both the Army Reserve and the Army National Guard, though billets are fewer than in the active component. States with significant waterway infrastructure or port access – Virginia, Washington, Texas, California, Florida – tend to have the most active Reserve and Guard watercraft units.

Reserve and Guard Appointment Path

The enlisted-to-warrant appointment process for Reserve and Guard 880A candidates mirrors the active component: E-5 or above in MOS 88K, three years of documented deck department experience, GT score of 110, and completion of WOCS. The key difference is that Reserve and Guard candidates may apply for WOCS while in their current drilling unit and attend during a mobilization period or extended active duty orders.

Active component warrant officers transferring to the Reserve or Guard retain their grade and may count active service toward retirement.

Drill and Training Commitment

The standard Reserve and Guard schedule is one weekend per month (four Unit Training Assemblies) plus two weeks of Annual Training. For 880A warrant officers, additional currency requirements apply. Maritime certification standards under AR 56-9 require documented vessel hours and periodic practical evaluations that may exceed the standard drill schedule. Confirm specific hour and currency requirements with your unit before committing.

Part-Time Pay

Drill pay follows the same basic pay tables as active duty, calculated as (monthly base pay / 30) x number of drills. A standard weekend (four drills) for a CW2 at under two YOS equals approximately $616 per weekend. A CW3 at eight YOS earns approximately $857 for the same weekend.

Active Duty vs. Reserve vs. Guard Comparison

The Guard offers an additional layer of state benefits that vary by state. Many states provide tuition waivers for drilling Guard members that can be stacked with federal Tuition Assistance. USERRA protections apply to all Reserve and Guard 880A members, securing reemployment rights with civilian employers after mobilization.

Civilian Career Integration

The Reserve and Guard path pairs well with a civilian maritime career. An 880A warrant officer working as a licensed merchant mariner, harbor pilot, or maritime logistics manager reinforces their military skills directly and may qualify for additional Coast Guard licensing based on service hours. USERRA prevents civilian employers from penalizing you for deployment or drill service.

Post-Service Opportunities

What Leaves the Army with You

The 880A career ends with credentials that have real civilian value. Your USCG Merchant Mariner Credential, STCW certifications, and Class A1/A2 command experience are documented qualifications that civilian maritime employers recognize. You’re not translating military experience into civilian terms – you hold the actual licenses.

The post-service transition programs SFL-TAP (Soldier for Life - Transition Assistance Program), Hiring Our Heroes, and the American Corporate Partners (ACP) mentorship program provide structured support. For 880A officers, the most direct transition path is into the maritime industry: commercial shipping, harbor pilotage, offshore energy, or government maritime agencies.

Civilian Career Prospects

Salary data reflects Bureau of Labor Statistics Occupational Outlook Handbook and BLS OES May 2024 data. Harbor pilot salaries vary significantly by state and port.

Certifications and GI Bill

Army COOL funds several civilian maritime certifications for 880A warrant officers during service. Post-service, the Post-9/11 GI Bill covers up to $29,921 per year at private institutions (AY 2025-26 cap) or full in-state tuition at public schools, plus a monthly housing allowance and $1,000 annual book stipend for up to 36 months.

For those who want to upgrade civilian credentials, USCG licensing above the level obtained through Army training is a natural next step. Many former 880A officers pursue Unlimited Tonnage Master or Chief Mate credentials using their documented sea time.

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

Who Thrives in This MOS

The ideal 880A candidate is a senior 88K who has spent years working on Army watercraft and wants to command – not manage from a distance. You need genuine technical depth, comfort operating in maritime environments, and the patience to build expertise over years. This is not a job for someone who wants variety in their assignments or the fast-paced career moves of a commissioned officer.

Strong 880A candidates typically demonstrate:

• Technical mastery of watercraft operations and navigation
• Leadership credibility with enlisted crews
• Comfort with extended time at sea and austere conditions
• Methodical approach to safety and risk management
• Interest in maintaining currency through ongoing certification

What Doesn’t Work Here

If you want command authority over a large unit, frequent PCS moves to diverse locations, or a career track that leads to general officer, this is the wrong path. The 880A community is small and specialized. Promotion to CW5 is competitive among a small peer group. The MOS does not provide a foundation for transition to commissioned officer roles.

The color vision requirement eliminates candidates who might otherwise be highly qualified. If you can’t meet that standard, no amount of experience or endorsement overcomes it.

The lifestyle demands honesty about sea operations. Extended underway periods, deployment to remote locations, and unpredictable field training schedules affect families. If stability at a fixed location with predictable hours is the priority, the 880A tempo may not match.

Comparing the Paths

Staying enlisted as an 88K Senior NCO gives you more predictable promotion timelines and a larger peer community. The commissioned officer path (882A or Transportation Branch) offers command authority at company and battalion level but requires the generalist staff rotation that warrant officers avoid.

The 880A warrant path is the right choice if you want to be the Army’s foremost expert on maritime deck operations, command vessels under your own authority, and leave the service with civilian credentials that have immediate market value. Few Army jobs offer that combination.

More Information

Talk to an Army Warrant Officer recruiter before submitting a packet. The 880A community is small and selection is personal – a senior 880A or 881A who knows your work will carry more weight than any document in your packet. The Warrant Officer Recruiting page has current contact information for maritime warrant officer recruiters.

If your GT score needs work, ASVAB prep is worth the time – the GT composite (Verbal Expression + Arithmetic Reasoning) responds well to focused study. The TABE mathematics requirement is a separate hurdle; brush up on algebra and applied math before your assessment.

• Prepare for the ASVAB with our study guide to meet the GT 110 requirement

This site is not affiliated with the U.S. Army or any government agency. Verify all information with official Army sources before making enlistment or career decisions.

Explore more Army warrant officer careers such as the 881A Marine Engineering Officer and the 882A Mobility Officer.