U.S. Coast Guard Ranks & Asbestos Exposure:

Full Rank-by-Rank Guide

From the 1940s–1980s, the U.S. Coast Guard used asbestos across ship engine rooms, boiler spaces, cutters, patrol boats, base housing, shipyards, electrical systems, and maintenance shops. Coast Guardsmen faced asbestos exposure through daily work aboard vessels, engineering repairs, electrical work, and living in older barracks and base housing.

Below is the complete rank-by-rank breakdown of typical duties and asbestos exposure risks.

Where Coast Guard Service Members Encountered Asbestos

Common Asbestos-Containing Locations

• Engine rooms on cutters and patrol boats

• Boilers, pumps, valves, gaskets, seals

• Pipe insulation (lagging)

• Electrical panels and cable insulation

• Bulkheads and fireproofing

• Deck tile, ceiling tile, and wallboard

• Shipyards and drydocks

• Barracks and older Coast Guard stations

• HVAC systems and mechanical rooms

Enlisted Ranks (E-1 to E-9)

E-1 — Seaman Recruit (SR)

Typical Duties

🛠️ Deck work, cleaning compartments, assisting engineering and operations

Asbestos Exposure

• Insulation dust in engine rooms

• Ship compartment cleaning

• Damaged pipe lagging

E-2 — Seaman Apprentice (SA)

Typical Duties

🛠️ Deck seamanship, basic engineering support, ship maintenance

Asbestos Exposure

• Pipe insulation and gaskets

• Heat-resistant bulkhead coverings

• Machinery space insulation

E-3 — Seaman (SN)

Typical Duties

🛠️ Deck crew, navigation support, repair division assistance

Asbestos Exposure

• Pump room insulation

• Ceiling tile and flooring in ship compartments

• Contaminated ventilation systems

E-4 — Petty Officer Third Class (PO3)

Typical Duties

🛠️ Rating-specific mechanical, engineering, or electrical duties

Asbestos Exposure

• Boiler and engine space insulation

• Turbine components

• Gaskets, valves, and pumps

E-5 — Petty Officer Second Class (PO2)

Typical Duties

🛠️ Skilled mechanical, hull, electrical, or engine work

Asbestos Exposure

• Pipe lagging and packing

• Replacement of ACM gaskets

• Shipyard or drydock repairs

E-6 — Petty Officer First Class (PO1)

Typical Duties

🛠️ Work-center supervisor for engineering, deck, or electrical divisions

Asbestos Exposure

• Engine room oversight

• Turbine and pump work

• Fireproof insulation materials

E-7 — Chief Petty Officer (CPO)

Typical Duties

🛠️ Lead technical supervisor on cutters and stations

Asbestos Exposure

• Long-term exposure in engineering spaces

• Supervising repairs involving ACM

• Shipyard modernization projects

E-8 — Senior Chief Petty Officer (SCPO)

Typical Duties

🛠️ Senior enlisted technical leader

Asbestos Exposure

• Legacy insulation throughout ships

• Aging base facilities with ACM

E-9 — Master Chief Petty Officer (MCPO)

Typical Duties

🛠️ Highest enlisted leadership

Asbestos Exposure

• Shipboard command areas

• Legacy administrative buildings with ACM

High-Risk Coast Guard Ratings

Engineering & Mechanical Ratings

• Machinery Technician (MK)

• Electrician’s Mate (EM)

• Damage Controlman (DC)

• Fireman (FN)

• Boatswain’s Mate (BM) — deck work often disturbed ACM

• Electronics Technician (ET)

• Hull Technician (HT) (historical Navy-trained personnel)

Common High-Risk Environments

• Cutters and patrol boats

• Engine rooms and pump rooms

• Shipyards/drydocks

• HVAC and boiler systems

• Coast Guard stations and barracks

Warrant Officer Ranks (WO1–CWO4)

(The Coast Guard uses only Warrant Officers 1–4.)

WO1 — Warrant Officer 1

Typical Duties

🛠️ Engineering, electronics, or ordnance technical specialist

Asbestos Exposure

• Engine insulation

• Electrical ACM panels

• Pump and valve systems

CWO2 — Chief Warrant Officer 2

Typical Duties

🛠️ Advanced engineering or electronics supervisor

Asbestos Exposure

• Steam pipe insulation

• Boiler systems

• Shipboard ACM repairs

CWO3 — Chief Warrant Officer 3

Typical Duties

🛠️ Department-level technical leadership

Asbestos Exposure

• Heat-resistant insulation

• Fireproofing materials

• Legacy ship structures

CWO4 — Chief Warrant Officer 4

Typical Duties

🛠️ Senior technical authority for cutters and stations

Asbestos Exposure

• Engine-room ACM

• Repairs involving gaskets, packing, and insulation

Officer Ranks (O-1 to O-10)

O-1 — Ensign (ENS)

Typical Duties

🛠️ Division officer for engineering, deck, or operations

Asbestos Exposure

• Compartment inspections

• Machinery-space supervision

O-2 — Lieutenant Junior Grade (LTJG)

Typical Duties

🛠️ Assistant department head roles

Asbestos Exposure

• Engine room oversight

• Shipyard operations

O-3 — Lieutenant (LT)

Typical Duties

🛠️ Department head aboard cutters

Asbestos Exposure

• Admin and command areas with ACM

• Maintenance oversight involving ACM materials

O-4 — Lieutenant Commander (LCDR)

Typical Duties

🛠️ Senior department head or executive officer

Asbestos Exposure

• Older base buildings

• Legacy cutter infrastructure

O-5 — Commander (CDR)

Typical Duties

🛠️ Commanding officer of cutters or stations

Asbestos Exposure

• Shipboard command centers

• Pre-ban living quarters

O-6 — Captain (CAPT)

Typical Duties

🛠️ Senior leadership of major cutters or sectors

Asbestos Exposure

• Long-term office exposure in pre-1980 structures

O-7 — Rear Admiral Lower Half (RDML)

O-8 — Rear Admiral Upper Half (RADM)

O-9 — Vice Admiral (VADM)

O-10 — Admiral (ADM)

Typical Duties

🛠️ Senior Coast Guard command

Asbestos Exposure

• Historic Coast Guard infrastructure

• Older administrative and operational buildings

Compensation Options for Coast Guard Veterans

VA Disability Benefits

Most mesothelioma cases receive a 100% VA disability rating.

Asbestos Trust Funds

More than $32 billion is available for claims.

Mesothelioma Lawsuits

Claims target manufacturers, not the U.S. Coast Guard.

Free Case Review for U.S. Coast Guard Veterans

📞 Call 800.291.0963 for a free, confidential case review.