Navy careers

Navy Rating BM: Boatswain's Mate

Supervise deck operations, seamanship, and small boat operations. Maintain ship's exterior, rigging, and deck equipment.

ASVAB / entry requirement

ASVAB VE+AR+MK+AS: 163

Enlisted
Catalog rank range: E-1 to E-9Maximum rank: E-9Initial term: 5 years

Catalog listing, not a contract offer. Confirm with a recruiter.

Inside the BM Boatswain's Mate job

What the job looks like

Boatswain's Mates are the seamanship professionals of the fleet and the rating most visible in the daily running of a ship. Your work covers deck maintenance, mooring and anchoring evolutions, underway replenishment, and small boat operations. You supervise line handling, rig and operate cranes and winches, and maintain the ship's exterior against constant salt and weather. Watchstanding is a major part of the job, including helm, lookout, and boat officer duties. Deck divisions are typically large, so junior Sailors take on supervisory responsibility early.

Skills you learn

You learn practical seamanship including line handling, rigging, knots, and cargo and weight handling at sea. Small boat operation, navigation basics, and helmsmanship are core competencies. The rating teaches crane and winch operation, deck equipment maintenance, and corrosion control. You also gain search and rescue and damage control skills that apply across the ship. Many Boatswain's Mates qualify toward merchant mariner credentials recognized by the Coast Guard.

What it builds in you

The job builds physical toughness and comfort working outdoors in genuinely rough conditions. You develop leadership presence early, because deck evolutions require someone giving clear, loud, confident direction. It teaches situational awareness around heavy moving loads where inattention causes injury. Boatswain's Mates tend to become practical, unflappable people who solve problems with what is at hand. You also build the ability to supervise a team in noisy, high-tempo conditions.

How it pays off after service

Maritime industries including commercial shipping, tug and barge operations, offshore energy, and port services hire directly from this background. Merchant mariner credentialing turns sea time into a licensed civilian career with strong earning potential. Crane operation, rigging, and heavy-lift experience also translate into construction and industrial work ashore. Many veterans move into port operations, marine terminal supervision, or harbor pilot pathways over time. The supervisory experience gained young is what most often accelerates civilian advancement.

Service member stories

Published personal accounts with source links. Each describes an individual experience, not a typical assignment or a guarantee of your own experience.

“A Boatswain's Mate works long hours, hard hours.”

“But it's rewarding. I can look around and know that without us, this ship wouldn't be the same.”

“That shows detail. That shows craftsmanship. The same effort that was put into tying that lanyard is the effort we try to put into everything we do. That's what makes a Boatswain's Mate special.”

— Boatswain's Mate 3rd Class Wold (first name not given)BM3Deck Department, USS Saipan

Quotes are from U.S. government public-domain news stories (DVIDS, army.mil and other official sources). Individuals and units are named as reported at time of publication.

A day in the life of a Boatswain's Mate

Your day starts on the fo'c'sle or fantail rigging lines and supervising the deck crew for the morning's evolution. As the shipboard seaman expert you lead line handling, anchoring, replenishment-at-sea, and small-boat operations while maintaining the ship's exterior and rigging. Chipping, painting, and preserving the hull with your division rounds out the working hours between watches.

Watch: Inside the Rough Life Episode 3: Boatswain's Mate
Video source and assignment context

SOUTH CHINA SEA (April 18, 2024) Episode three of the “Inside the Rough Life” series highlighting the Boatswain’s Mates aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71). (U.S. Navy video by Mass Communication Specialist Seaman Apprentice Pimpaka Kruthun)

Official publisher description and direct video page checked; playback not independently watched. Checked 2026-10-25. This assignment may not reflect every posting in this career.

Illustrative annual base pay

$43,902–$74,948

2026 basic pay only; the same grade and service time pay the same across jobs. Promotions are assumed, not promised. Excludes allowances, bonuses and special pays.

  • E-4 · over 4 years: $43,902
  • E-6 · over 10 years: $57,114
  • E-7 · over 20 years: $74,948

Training achievements and distinctions

Possibilities for serving Sailors, including those in support roles—not guaranteed admission or awards. Individual eligibility, assignment, selection, available training or competition places and successful qualification apply.

  • Enlisted Surface Warfare Specialist (ESWS)

    Assignment-dependent qualification and insignia earned aboard a qualifying surface ship or afloat staff—not automatically awarded for this rating.

    Eligibility and official sources for Enlisted Surface Warfare Specialist (ESWS)

    For enlisted Sailors in an eligible surface assignment, including support ratings. Complete the command's current qualification standards, assessments and approval process. A shore or submarine assignment alone does not establish eligibility; confirm current enrollment rules with the command.

  • Enlisted Aviation Warfare Specialist (EAWS)

    Assignment-dependent aviation qualification and insignia; support Sailors may qualify at authorized aviation commands.

    Eligibility and official sources for Enlisted Aviation Warfare Specialist (EAWS)

    Requires a qualifying aviation assignment or an authorized support-command arrangement, required in-rating technical qualifications and command approval. Current enrollment and pay-grade prerequisites must be checked; this is not a promotion or a badge awarded just for holding this rating.

  • Enlisted Expeditionary Warfare Specialist (EXW)

    Restricted to qualifying expeditionary assignments; recognizes tested field and unit-specific proficiency, including support duties.

    Eligibility and official sources for Enlisted Expeditionary Warfare Specialist (EXW)

    Requires assignment to a command authorized to administer EXW and completion of its general and unit-specific personnel qualification standards and approval process. Published NSW program evidence establishes this route, not that every Navy unit offers it. Confirm current command authorization and prerequisites.

Sources reviewed . Confirm current course and badge requirements with official school guidance and your unit.

Possible higher ranks and career paths

Possible higher ranks and career paths

For Navy BM Boatswain's Mate, official service-wide guidance and any exact feeder-list matches are distinguished below from unverified specialty-specific requirements. Ranks are not separate jobs, and these possibilities are not guaranteed promotions or available contracts.

Rank information for this listing

Rank Type
Enlisted
Catalog pay-grade range
Not independently verified for this specialty; no range asserted here.
Maximum Rank
Not independently verified for this specialty.

Examples of higher service ranks

E-5
Petty Officer Second Class
E-6
Petty Officer First Class
E-7
Chief Petty Officer
E-8
Senior Chief Petty Officer
E-9
Master Chief Petty Officer

These are service-wide rank names, not a verified promotion ladder for this specialty. Examples are not exhaustive; appointments sharing a pay grade are not additional promotion steps.

Official military rank reference

The Navy directs enlisted Sailors to rating-specific Learning and Development Roadmaps (LaDRs), and officers to their community managers and officer career-progression guidance. Rating conversion and commissioning are separate application paths, not automatic promotions.

Navy career planning: LaDRs, officer progression, and commissioning

Higher career paths — not verified

Service-level application reference—not a verified next step for this listing

Limited Duty Officer (LDO) and Chief Warrant Officer (CWO) appointments require separate applications and program-specific qualifications. The reviewed active-duty page contains FY28 cycle requirements, not Reserve eligibility. Its 1 October 2026 application deadline has passed; this is not an open application offer or a verified designator match for this listing.

Navy active-duty LDO/CWO applicant requirements

Specialty-specific advancement, senior assignments, and eligibility for a different personnel category have not been verified for this listing. No feeder eligibility or automatic transition to another specialty is implied.

Advancement depends on current service rules, performance, required education, qualifications, selection, and authorized positions—not simply years served. Confirm current requirements with an official recruiter or career counselor.

Related military jobs below are for exploration, not promised progression or confirmed transfer paths.

Sources reviewed 2026-10-03. This is a partial evidence review, not verification of every advancement route for this specialty. Source retrieval dates do not replace policy effective dates.

Civilian careers related to Surface Operations

Career-field mappings, not automatic qualifications. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2024 national medians). O*NET links explain each occupation; military experience does not guarantee a job or salary.

Categories & Specializations

Surface Operations
Seamanship
Deck Operations
Leadership
Non-combat

BM questions, answered

What does Navy BM Boatswain's Mate do?

Supervise deck operations, seamanship, and small boat operations. Maintain ship's exterior, rigging, and deck equipment.

What can day-to-day work in Boatswain's Mate look like?

Boatswain's Mates are the seamanship professionals of the fleet and the rating most visible in the daily running of a ship. Your work covers deck maintenance, mooring and anchoring evolutions, underway replenishment, and small boat operations. You supervise line handling, rig and operate cranes and winches, and maintain the ship's exterior against constant salt and weather. Watchstanding is a major part of the job, including helm, lookout, and boat officer duties. Deck divisions are typically large, so junior Sailors take on supervisory responsibility early.

What skills does Navy BM Boatswain's Mate develop?

You learn practical seamanship including line handling, rigging, knots, and cargo and weight handling at sea. Small boat operation, navigation basics, and helmsmanship are core competencies. The rating teaches crane and winch operation, deck equipment maintenance, and corrosion control. You also gain search and rescue and damage control skills that apply across the ship. Many Boatswain's Mates qualify toward merchant mariner credentials recognized by the Coast Guard.

How can Boatswain's Mate experience translate after service?

Maritime industries including commercial shipping, tug and barge operations, offshore energy, and port services hire directly from this background. Merchant mariner credentialing turns sea time into a licensed civilian career with strong earning potential. Crane operation, rigging, and heavy-lift experience also translate into construction and industrial work ashore. Many veterans move into port operations, marine terminal supervision, or harbor pilot pathways over time. The supervisory experience gained young is what most often accelerates civilian advancement.

What entry requirement is listed for Navy BM Boatswain's Mate?

ASVAB VE+AR+MK+AS: 163. This is the catalog's listed requirement, not an individual eligibility decision. Confirm the current standard and any exceptions with the service.

Can a civilian enter Navy BM Boatswain's Mate directly?

This specialty can be pursued through an initial enlistment, subject to eligibility and available contracts. Confirm the current status of this specific classification with an official recruiter.

Browse all military jobs
Sources & Review

Catalog sources consulted: 2026-09-26. This is not an entry-by-entry verification date. No record-specific verification date is recorded. Occupation audit evidence reviewed: 2026-09-26; this does not re-verify every requirement.

Official branch occupation evidence

Occupation identified. This occupation was identified in the cited source. This does not verify requirements, benefits, or a current opening.

Navy enlisted occupational standards, NAVPERS 18068F, July 2026, Appendix B (rating enumeration) · reviewed 2026-09-26

Confirmed. Catalog evidence is not an inventory of open contracts.

No dated public inventory confirmed a currently open recruiting contract for this role. This does not mean there are no openings. Confirm current eligibility and offers with an official recruiter.

Advertised — Navy, as of 2026-09-28
Signal detailsListed as a specialty on the Navy careers site. Source: Navy official careers listing. This is not a statement that a contract is open for you.

Deployment likelihood: Higher*

* Estimated. Rank progression and specialty-pay eligibility are illustrative assumptions. Deployment likelihood, when shown, is inferred from similar specialties in the branch and career field, not a published specialty deployment rate.

Descriptions may change. No military role is free from risk of injury or death, including non-combat work. Catalog review dates do not establish current openings or re-verification of every requirement.

Recruiting signals reflect what each branch published on the dates shown. They are not offers, and they do not mean a contract is open for you. Eligibility depends on your ASVAB scores, medical qualification, security clearance eligibility, and ship date. Confirm everything with an official recruiter. See our Disclaimer and Terms.

MilCareer Xplorer is an independent site and is not affiliated with or endorsed by the U.S. Department of Defense or any branch of the U.S. Armed Forces.