Damage Controlman Asbestos Exposure: What DC Rating Duties Meant for Shipboard Asbestos Risk

By Sarah Bennett — Independent Veterans Benefits Writer | Reviewed & updated August 1, 2026

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Why Damage Controlman Asbestos Exposure Still Matters Decades Later

Damage controlman asbestos exposure is one of the more overlooked occupational exposure stories in military benefits work, even though the job itself was built around fire, heat, and the very materials that once made shipboard fireproofing possible. A damage controlman — the DC rating — was trained to fight fires, patch hull breaches, and keep a vessel watertight in a crisis, and every one of those duties historically put a sailor in close, repeated contact with asbestos-based materials. If you or a loved one served in this rating, especially before the 1980s, that hands-on trade may be relevant to a VA claim today, even though the service ended a long time ago.

This guide walks through what damage controlmen actually did, which materials they handled, why the exposure risk in this trade ran higher than in many other jobs, and how that occupational history fits into today’s VA claims process. Nothing here is medical or legal advice — it is a plain-English starting point for understanding your own history.

Part 1: What a Damage Controlman Actually Did Aboard Ship

The damage control rating existed to answer one question every crew hopes never to face: what happens when the ship is hit, flooded, or on fire? Damage controlmen trained and worked in firefighting, damage control, chemical warfare defense, and shipboard maintenance of the systems that kept a vessel afloat and functional under stress. Day to day, that meant inspecting and repairing watertight doors and hatches, maintaining firefighting equipment, running damage control drills, and repairing or replacing insulation and fireproofing wherever it had worn, cracked, or been damaged.

Because their job was fire suppression and structural integrity, damage controlmen worked in engine rooms, boiler spaces, damage control lockers, and machinery spaces — the same compartments where fireproofing and thermal insulation were most heavily applied. Unlike a sailor who might walk through an insulated space occasionally, a damage controlman’s job required them to open panels, cut and patch insulation, and physically handle fireproofing materials as routine, recurring work.

Part 2: The Materials a Damage Controlman Handled

The materials most closely tied to damage controlman asbestos exposure fall into a few categories that were standard issue on Navy vessels for much of the twentieth century:

• Fireproofing and thermal insulation. Bulkheads, overheads, piping, and machinery in engine and boiler spaces were commonly insulated with asbestos-containing material to control heat and slow the spread of fire. Damage controlmen repaired and replaced this insulation as part of routine maintenance.
• Asbestos cloth and blankets. Historically, firefighting equipment included asbestos cloth, blankets, and mitts used for handling hot materials or smothering small fires — items a damage controlman would have stored, inspected, and used directly.
• Damage control lockers and gaskets. Gasket material, packing, and insulation batting used in damage control repair kits often contained asbestos fibers, particularly in older-generation ships.
• Protective suiting. Some older firefighting and proximity suits used asbestos-based fabric for heat resistance before safer alternatives became standard.

Cutting, tearing, sanding, or otherwise disturbing any of these materials releases microscopic asbestos fibers into the air, where they can be inhaled and settle deep in the lungs. The U.S. Centers for Disease Control and Prevention’s National Institute for Occupational Safety and Health has published extensive background on how this kind of fiber release happens and why it carries long-term health risk; you can read that overview at cdc.gov/niosh.

Part 3: Why This Trade Carried Elevated Exposure Risk

Several features of the damage control rating combined to make exposure more likely and more repeated than in many other shipboard jobs:

• Direct, hands-on contact. Damage controlmen did not simply work near insulated equipment — they cut it open, repaired it, and replaced it as a core part of their trade.
• Confined, poorly ventilated spaces. Engine rooms, boiler spaces, and damage control lockers are tight compartments with limited airflow, so disturbed fibers lingered in the air longer than they would in open areas.
• Repetition over an entire career. Unlike a one-time repair job, damage control maintenance and drills recurred constantly throughout a sea tour, multiplying the number of exposure events.
• Limited protective equipment for the era. Before the health risks of asbestos were widely understood and regulated, sailors doing this kind of maintenance generally did not wear respiratory protection designed for fiber exposure.

Because of patterns like these, occupational health researchers have long recognized shipboard maintenance and firefighting trades as carrying meaningfully higher lifetime asbestos exposure than many onshore civilian jobs. The National Cancer Institute’s overview of asbestos exposure and health outcomes is a useful, plain-language reference for understanding why this history matters medically, and it is available at cancer.gov.

Part 4: How This History Can Support a VA Claim Today

The VA generally evaluates asbestos-related claims by looking at whether a veteran’s service occupation and duty stations make asbestos exposure plausible, alongside a current diagnosis linked to asbestos, such as mesothelioma, asbestosis, or certain lung conditions. A documented rating like damage controlman — with its well-established, hands-on history of handling fireproofing, insulation, and firefighting materials — can be meaningful supporting evidence in that picture, because the occupational exposure risk is already well understood rather than something that needs to be built from scratch.

That said, every claim is individually developed, and having served as a damage controlman does not by itself guarantee a particular outcome. Veterans and families researching this path may want to understand how the VA gathers evidence on your behalf; our guide to the VA’s duty to assist veterans in developing a claim explains what the agency is required to help track down. For veterans whose paperwork and medical records are already well organized, our overview of filing a fully developed claim walks through a faster application track worth understanding early.

The VA’s own special claims page for asbestos exposure describes how the agency approaches this evidence generally, without promising any specific result, and is worth reading directly at va.gov/disability/eligibility/special-claims.

Part 5: Documenting a Damage Controlman’s Service History

Because so much time has often passed since service, building a clear record of duty stations, ship assignments, and job duties matters more than memory alone can provide. Helpful documentation can include:

• DD-214 and service records showing the DC rating and dates of service.
• Ship assignment history confirming which vessels and duty stations you served aboard, since asbestos use varied by ship class and era.
• Buddy statements from fellow crew members who can describe the working conditions and materials firsthand.
• Medical records documenting a current diagnosis and any history of respiratory symptoms.

Veterans who are still building this record sometimes wonder what happens if a claim is paused while more evidence is gathered rather than approved or denied outright. Our companion piece on what a deferred VA claim decision means explains that middle step in plain language, since it is a normal — not alarming — part of many asbestos-related claims.

Part 6: A Note on Ratings and What Comes After

Veterans who do receive a service-connected rating tied to an asbestos-related condition often have follow-up questions about how that rating holds up over time, since some conditions can improve, worsen, or stay stable for years. Our guide to how VA disability ratings can become protected from future reduction covers a question many veterans and families ask once a rating is in place. None of this replaces guidance from a Veterans Service Officer familiar with your specific record, but understanding the landscape ahead of time tends to make each conversation more productive.

Frequently Asked Questions

What did a damage controlman actually do with asbestos materials?

Damage controlmen inspected, repaired, and replaced fireproofing and thermal insulation, maintained firefighting equipment such as asbestos cloth and blankets used historically for fire suppression, and worked with gaskets and packing material in damage control lockers — much of it in engine rooms, boiler spaces, and machinery compartments where asbestos-containing products were common.

Does every damage controlman automatically qualify for VA benefits?

No. Service in this rating does not by itself guarantee approval. The VA generally looks at the plausibility of exposure based on occupation and duty stations together with a current diagnosis. Many veterans with this service history may qualify for consideration, but each claim is developed and decided individually.

How far back does asbestos-related illness typically show up after service?

Asbestos-related conditions, including mesothelioma, can take decades to appear after exposure. Many veterans filing claims today served years or even decades before a diagnosis surfaced, which is part of why documented occupational history matters so much.

What if I do not have detailed memories of specific ships or compartments?

Official service records, ship deck logs, and buddy statements from fellow crew members can help fill in details that memory alone may not capture. A Veterans Service Officer can help identify what records are available for your specific service dates.

Is this article legal or medical advice?

No. This guide is educational only. For advice specific to your health, consult a licensed physician. For advice specific to your claim, consult a VA-accredited attorney, claims agent, or Veterans Service Officer.

Where can I read the VA’s official position on asbestos exposure claims?

The VA maintains a dedicated special claims page addressing asbestos exposure, linked in the Resources section below, along with the VA’s PACT Act resource hub for broader context on presumptive frameworks.

Resources

• VA Special Claims — Asbestos Exposure — the VA’s own description of how this category of claim is evaluated.
• VA PACT Act Resources — background on recent expansions to presumptive benefits.
• CDC/NIOSH — Asbestos — occupational health background on asbestos fiber exposure.
• National Cancer Institute — Asbestos Exposure and Cancer Risk — plain-language medical overview.
• To find a Veterans Service Officer for claim-specific guidance, contact your local VFW, DAV, or American Legion chapter, or your county veterans service office.

Final Thoughts: A Trade Built Around Fire, and a Record Worth Preserving

A damage controlman’s job was to run toward the parts of the ship everyone else hoped never to see — the flooded compartment, the fire in the engine room, the insulation that needed patching under pressure. That same trade quietly built a long relationship with asbestos-containing materials that few people outside the rating ever fully appreciated. If you or someone you love carried that job, gathering the service record, the ship history, and the medical picture is worth doing carefully and without rush. It will not decide anything by itself, but it is the foundation everything else gets built on.

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Medical disclaimer: This article is for informational purposes only and is not medical advice, diagnosis, or treatment. Consult a licensed physician or your VA care team about your specific situation.

Legal disclaimer: This article is for general information only and is not legal advice. It does not create an attorney-client relationship. Consult a VA-accredited attorney, claims agent, or a Veterans Service Officer (VSO) about your specific claim.