Landing Craft Utility (LCU) — Asbestos in Navy Amphibious Landing Craft

By Rights Watch Media Group LLC •June 22, 2026 • 2 min read

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Landing Craft Utility (LCU) were the primary US Navy amphibious landing craft for delivering heavy vehicles, tanks, artillery, and bulk cargo from ship to shore in amphibious assault operations — the successors to the WWII LCT (Landing Craft Tank). The LCU 1466 class (commissioned from 1954) and subsequent LCU 1610 class (commissioned from 1960) were purpose-built landing craft with diesel propulsion, providing the amphibious force with a reliable, seaworthy craft capable of open-ocean transit and beach landing. LCU crews typically numbered about 13 men operating in close quarters aboard these 119–135 foot landing craft on extended amphibious operation deployments.

Diesel Engineering and Asbestos

LCU landing craft used diesel propulsion with asbestos-containing auxiliary materials:

Diesel engine auxiliary insulation — the diesel engines and their exhaust systems aboard LCU landing craft used asbestos-containing thermal insulation on high-temperature engine components and exhaust manifolds. Enginemen maintaining the LCU diesel propulsion plant in the confined below-deck engineering spaces worked in proximity to asbestos-insulated diesel components throughout their deployments
Engine room gasketing and packing — the engine room gaskets and valve packing throughout LCU diesel and auxiliary systems used asbestos-containing compressed fiber gaskets and packing material for sealing engine components. Routine diesel engine maintenance involved gasket and packing replacement operations releasing asbestos fiber from the asbestos-containing materials
Auxiliary heating systems — the crew habitability heating systems aboard LCU landing craft used insulated hot water or steam heating piping with asbestos-containing insulation in the crew accommodation areas

LCU Interior Construction

LCU landing craft used 1950s-1970s construction materials throughout:

The crew berthing and pilot house spaces aboard LCU landing craft used construction materials consistent with the era of the vessel’s commissioning, with asbestos-containing products in the deck and interior construction of these amphibious craft built during the period when asbestos materials were standard in naval construction

VA Claims for LCU Veterans

VA presumptive service connection under 38 CFR § 3.309(d) covers asbestos exposure aboard Navy amphibious craft. Enginemen, Boatswain’s Mates, and crew members who served aboard LCU landing craft and have since been diagnosed with mesothelioma, asbestosis, or asbestos-related lung cancer may qualify for VA disability benefits.

The asbestos-containing products documented on U.S. Navy vessels and at shipyards are catalogued by manufacturer on AsbestosIndex. These records cross-reference which companies supplied which materials and to which facilities.

Pipe Covering & Block Insulation Thermal insulation applied to steam lines, valves, and equipment in engine rooms and fire rooms Marine Products Insulation, gaskets, and packing products specified for naval and commercial marine applications Boilers & Steam Equipment Boiler manufacturers and insulation products — central to the fire room exposure pathway Gaskets & Packing Sheet and ring gaskets used throughout piping flanges, valve bonnets, and pump housings Electrical Products Wire insulation, switchgear arc chutes, and panel liners used throughout electrical spaces Full Product Index Search all 200+ manufacturers and 1,500+ documented asbestos products on AsbestosIndex™

Navy Ratings Most Exposed to Asbestos Aboard Landing Craft Utility (LCU)

The U.S. Department of Veterans Affairs and the public asbestos litigation record document that the following Navy ratings worked routinely in spaces where ACM was installed, maintained, ripped out, and replaced:

Boilerman (BT) — boiler-room operations, refractory work, burner maintenance
Machinist’s Mate (MM) — main propulsion turbines, reduction gears, condensers, pumps
Engineman (EN) — auxiliary diesel and gasoline engines, gland packing
Electrician’s Mate (EM) — cable runs through asbestos-insulated chases, motor-generator sets
Hull Maintenance Technician (HT) / Pipefitter — piping system maintenance, gasket replacement, valve repacking
Damage Controlman (DC) — firefighting equipment, fire-stops, bulkhead penetrations
Fireman (FN) — engineering-plant tending across boiler and engine rooms

VA Presumptive Benefits — No Filing Deadline

The U.S. Department of Veterans Affairs recognizes mesothelioma, asbestos-related lung cancer, asbestosis, and pleural disease as conditions presumed to be service-connected for Navy veterans with documented asbestos exposure under 38 CFR § 3.309(d). No statute of limitations applies to VA disability compensation claims.

Available benefits may include monthly disability compensation, Dependency & Indemnity Compensation (DIC) for surviving spouses, priority VA healthcare enrollment, and Special Monthly Compensation for severe cases. Parallel claims against the asbestos bankruptcy trust funds established by the manufacturers of these products do not reduce VA compensation.

How to file a VA disability claim: VA claims are filed directly with the U.S. Department of Veterans Affairs — not with a law firm. Start at VA.gov › Hazardous Materials Exposure, call 1‑800‑827‑1000, or get free help filing from a Veterans Service Organization: DAV, VFW, or American Legion.

VA Claims Guide on This Site › Compare: VA vs. Civil Lawsuit

Source notes: equipment-manifest entries (where shown) are sourced from public-record BUSHIPS (Bureau of Ships) documentation, NARA archives, and the public asbestos litigation record. Manufacturer attributions link to documented asbestos-product histories on AsbestosIndex.com where available. Nothing on this page constitutes medical or legal advice.

Documented Asbestos-Exposure Environments — U.S. Navy Service

Public-domain U.S. Navy photographs illustrating the engineering spaces, ratings, and yard environments where asbestos materials were routinely encountered during normal duty.

Boiler Room Sailor stands watch in the aft machinery room of USS Iwo Jima. (35298984822) Source: Wikimedia Commons (public domain)

Drydock Overhaul USS Newport News (CA-148) in drydock at the Norfolk Navy Yard 1965 Source: Wikimedia Commons (public domain)

Engine Room Flickr - Official U.S. Navy Imagery - USS Sterett Sailor takes equipment readings in ship's engine room. Source: Wikimedia Commons (public domain)

Engineering Watch USS Bataan Stands Full Female Engineering Watch Team (8442031) Source: Wikimedia Commons (public domain)

US Navy 061108-N-6652A-037 U.S. Navy Aviation Machinist's Mate 3rd Class Roy Hernandez, left, and Aviation Machinist's Mate Airman Jerry … — Machinist Mate US Navy 061108-N-6652A-037 U.S. Navy Aviation Machinist's Mate 3rd Class Roy Hernandez, left, and Aviation Machinist's Mate Airman Jerry Rivera work on a rotor … Source: Wikimedia Commons (public domain)

Navy Fireroom Fireroom aboard USS Rochester (CA-124), in 1955 Source: Wikimedia Commons (public domain)

US Navy 080208-N-6538W-019 Civilian yard workers from Puget Sound Naval Shipyard perform maintenance on the bow catapults of the … — Shipyard Worker US Navy 080208-N-6538W-019 Civilian yard workers from Puget Sound Naval Shipyard perform maintenance on the bow catapults of the Nimitz-class aircraft carrier … Source: Wikimedia Commons (public domain)

All images are public domain (U.S. Government works). Specific photographs depict generic Navy engineering and yard environments — not the named vessel above. Asbestos materials shown or implied include pipe lagging, boiler insulation, steam-line covering, and gasket / packing materials standard on U.S. Navy vessels through the early 1980s.

Landing Craft Utility (LCU) — Frequently Asked Questions

Are Landing Craft Utility (LCU) veterans covered by Navy asbestos litigation records?

Yes. Landing Craft Utility (LCU) is documented in the public U.S. Navy asbestos litigation record. U.S. Navy vessels of her service era were built to BUSHIPS specifications that required asbestos insulation throughout engineering spaces, on steam lines, around boilers and turbines, and in gasket and packing materials.

Which shipboard components on Landing Craft Utility (LCU) contained asbestos?

Asbestos-containing materials documented aboard U.S. Navy vessels of Landing Craft Utility (LCU)'s era include: boiler insulation and lagging, steam-line pipe insulation, turbine and reduction-gear casings, valve packing, gaskets, brake and clutch friction materials, electrical wire insulation, overhead pipe coverings in berthing and mess spaces, and Navy-issue boiler cement and refractory in fireboxes.

What ratings were exposed to asbestos serving on Landing Craft Utility (LCU)?

Navy ratings with the highest documented asbestos exposure include Machinist's Mate (MM), Boiler Technician (BT), Hull Maintenance Technician (HT), Engineman (EN), Electrician's Mate (EM), Interior Communications Electrician (IC), Damage Controlman (DC), and Pipefitter / Shipfitter. Officers in engineering departments also encountered asbestos in normal duty. Shipyard workers performing overhaul, repair, or refit work had concentrated exposure during yard periods.

Do Landing Craft Utility (LCU) veterans qualify for VA disability for mesothelioma?

Yes. Mesothelioma is recognized by the VA as service-connected for veterans with documented Navy service and qualifying asbestos exposure. Landing Craft Utility (LCU) veterans (or surviving family) typically file at VA.gov, by phone at 1-800-827-1000, or with assistance from a Veterans Service Officer through DAV, VFW, or American Legion. Civil claims against asbestos product manufacturers are separate from VA benefits — many veterans pursue both paths.

Disclaimer: The information in this article is for general educational purposes only and does not constitute medical or legal advice. No attorney-client relationship is created by reading this site. References to ships, shipyards, companies, products, and asbestos-containing materials are drawn from public VA records, NARA archives, EPA/OSHA databases, and public litigation records. All references reflect what has been documented or alleged in publicly filed records. Consult a licensed physician for medical guidance and a qualified attorney for legal advice regarding your specific situation.

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VA disability benefits are a separate government process. To file a VA disability claim for asbestos exposure, visit VA.gov › Hazardous Materials Exposure, call 1‑800‑827‑1000, or contact a Veterans Service Organization (DAV, VFW, American Legion) for free claim assistance.

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