Wichita Class Replenishment Oiler (AOR-1) — Asbestos in the Cold War Fleet Oiler

The Wichita class replenishment oilers — seven ships commissioned between 1969 and 1976, designated AOR-1 through AOR-7 — were the United States Navy’s Cold War underway replenishment oilers providing fuel oil, aviation gasoline, and limited dry cargo transfer capability to carrier battle groups at sea. Built at General Dynamics Quincy Shipbuilding in Quincy, Massachusetts, Wichita class replenishment oilers used two Foster Wheeler boilers providing steam to a single set of General Electric geared steam turbines on a single shaft. The Wichita class served as the primary fleet oiler component of underway replenishment groups throughout the Cold War, providing the fuel supply essential for carrier battle group sustained operations. Wichita class replenishment oilers incorporated asbestos-containing boiler insulation and steam plant pipe insulation throughout their two-boiler steam propulsion plants consistent with the late 1960s construction specifications, creating background asbestos exposure for engineering ratings who maintained Wichita class steam plants throughout Cold War fleet replenishment operations.

Wichita Class Steam Plant Asbestos

Wichita class replenishment oilers incorporated asbestos throughout their Foster Wheeler and GE propulsion:

• Foster Wheeler boiler casing and drum insulation — the two Foster Wheeler boilers aboard Wichita class replenishment oilers incorporated asbestos-containing insulation on boiler casings and steam drum surfaces consistent with the late 1960s boiler construction specifications. Boilermen performing boiler maintenance in Wichita class firerooms worked in proximity to the asbestos-containing boiler insulation throughout their engineering watch assignments
• Single-shaft steam main pipe insulation — the high-pressure steam mains running from the Wichita class boilers to the main propulsion turbine incorporated asbestos-containing pipe insulation. Engineering ratings working in Wichita class engine rooms accumulated background asbestos exposure from the steam main pipe insulation during engineering watch standing
• General Electric propulsion turbine insulation — the General Electric single-shaft main propulsion turbine aboard Wichita class ships incorporated asbestos-containing turbine casing insulation consistent with the late 1960s turbine construction. Machinist’s Mates performing turbine maintenance in Wichita class engine rooms worked in proximity to the turbine casing insulation
• Cargo oil and fuel transfer system pipe insulation — the heated fuel oil transfer systems and fuel cargo piping throughout the Wichita class hull for underway fuel transfer operations incorporated pipe insulation on steam-traced fuel piping consistent with the late 1960s construction specifications

VA Claims for Wichita Class Veterans

VA presumptive service connection under 38 CFR § 3.309(d) covers asbestos exposure from Navy replenishment ship service. Machinist’s Mates, Boilermen, and crew members who served aboard Wichita class replenishment oilers and have since been diagnosed with mesothelioma, asbestosis, or asbestos-related lung cancer may qualify for VA disability benefits.

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.