⚓ U.S. Navy — Rating Exposure Profile
Gas Turbine Systems Technician (GSM/GSE) — Asbestos Exposure
Last updated July 11, 2026
Gas Turbine Systems Technicians maintained the gas turbine propulsion and electrical generation systems that replaced steam on frigates and later destroyers from the 1970s onward. While gas turbines themselves were largely asbestos-free, the surrounding shipboard infrastructure — exhaust ducts, heat shields, and auxiliary systems on transitional-era ships — still contained asbestos.
Spaces & Work Areas
Gas Turbine Systems Technician (GSM/GSE) sailors regularly worked in:
- Gas turbine engine rooms
- Engine module spaces
- Exhaust trunks
- Auxiliary systems spaces
How GSMs Were Exposed
Transitional-era frigates (Knox-class and earlier Oliver Hazard Perry-class) contained asbestos in exhaust duct insulation, heat shields around turbine housings, and in legacy auxiliary systems that predated the turbine conversion. GSMs who serviced older equipment or worked on mixed-propulsion ships had meaningful asbestos contact.
U.S. Navy ships built before approximately 1980 used asbestos-containing insulation, gaskets, and fireproofing materials throughout their engineering plants and throughout the ship. Sailors in the Gas Turbine Systems Technician (GSM/GSE) rating were among those most regularly in contact with these materials.
Ship Types Where GSMs Served
Gas Turbine Systems Technician (GSM/GSE) sailors were assigned across multiple ship types. Asbestos was used throughout all of these vessel types during the pre-1980 construction era:
VA Claims & Legal Options
If you served on Knox-class or early Oliver Hazard Perry-class frigates, or on transitional destroyers during the 1970s, asbestos in adjacent ship systems is well documented. GSMs on purely gas-turbine ships built after 1980 face lower documented exposure, but should still consult a specialist.
Two Paths: VA Disability & Asbestos Trust Funds
- VA disability compensation — Monthly benefit for service-connected asbestos-related disease. Requires a diagnosis, evidence of in-service exposure (your rating and ship records), and a nexus statement linking the two.
- Asbestos trust fund claims — Lump-sum payments from bankruptcy trusts funded by asbestos product manufacturers. Requires identifying specific products used aboard your ship class. Multiple trusts may apply to a single claimant.
These paths are not mutually exclusive — many veterans pursue both.
Navy veterans overview › Free Legal Review ›
Asbestos.cam is an informational resource, not a law firm. The above is general information, not legal advice. Consult a qualified attorney for guidance on your specific situation.
Frequently Asked Questions
Do gas turbine ships built after 1975 contain asbestos?
Later gas-turbine ships (Spruance-class, Ticonderoga-class, Arleigh Burke-class) were largely built asbestos-free as the Navy phased out asbestos after 1975. However, ships that converted from steam to turbine propulsion, or that carried over legacy auxiliary systems, retained asbestos in those older components. The Knox-class frigates, in particular, used asbestos in exhaust insulation.
Can a GSM file a VA disability claim for asbestos exposure?
Yes, if you served on transitional-era ships with documented asbestos systems. The VA evaluates exposure based on your duty station and the ship's documented construction and refit history. A VSO or mesothelioma attorney can help determine whether your specific ship class supports an exposure finding.