USS Knox (FF-1052), the lead ship of the Knox class ocean escort frigates, was commissioned at Todd Shipyards in San Pedro, California in April 1969 and served in the Pacific Fleet throughout her Cold War career. As the lead hull of the 46-ship Knox class — the largest class of destroyer escorts and frigates built for the US Navy — Knox established the class pattern for the steam propulsion plant and hull construction that characterized all subsequent Knox class units. Knox deployed to the Western Pacific and Indian Ocean conducting anti-submarine warfare and carrier escort operations. Knox’s conventional steam propulsion plant — two Babcock & Wilcox boilers and one Westinghouse geared turbine driving a single controllable pitch propeller — provided propulsion through her service. Commissioned in 1969, Knox incorporated asbestos-containing boiler insulation, steam pipe insulation, turbine insulation, and hull construction materials consistent with the Knox class late 1960s construction specifications.

USS Knox Steam Plant Asbestos

Knox’s two-boiler steam plant incorporated asbestos throughout:

  • Babcock & Wilcox boiler insulation — Knox’s boilers were insulated with asbestos-containing boiler casing insulation consistent with late 1960s construction specifications. Boilermen accumulated asbestos exposure from the boiler insulation through her Pacific Fleet service
  • High-pressure steam main pipe insulation — the steam mains throughout Knox’s engineering spaces incorporated asbestos-containing pipe insulation consistent with Knox class late 1960s construction specifications
  • Westinghouse propulsion turbine insulation — Knox’s Westinghouse geared main propulsion turbine incorporated asbestos-containing turbine casing insulation. Machinist’s Mates performing turbine maintenance worked in proximity to asbestos-containing turbine insulation

VA Claims for USS Knox Veterans

VA evaluates asbestos-related disability claims on a case-by-case basis. Veterans generally need evidence of in-service asbestos exposure, a current asbestos-related diagnosis, and a medical link between them. Machinist’s Mates, Boilermen, and crew members who served aboard USS Knox and have since been diagnosed with mesothelioma, asbestosis, or asbestos-related lung cancer may qualify for VA disability benefits.

Product & Manufacturer Reference

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 Knox

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:

VA Disability Claims for Asbestos-Related Disease

The U.S. Department of Veterans Affairs evaluates asbestos claims individually. A veteran generally needs medical evidence of a current asbestos-related disease, service evidence supporting in-service asbestos exposure, and a medical opinion connecting the two. Ship assignments, Navy ratings, and equipment records can help document the exposure history but do not create automatic service connection.

Approved claims may provide monthly disability compensation and related benefits. Survivors may separately qualify for Dependency & Indemnity Compensation when the applicable requirements are met. Civil lawsuits and asbestos-trust claims use different standards; claimants should obtain individualized advice about how the processes interact.

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.