USS Becuna (SS-319) — Equipment Reference & Asbestos Exposure Record
Equipment reference and asbestos exposure record for USS Becuna (SS-319). 3 machinery and manufacturer entries from the public Wikipedia article citing...
By Rights Watch Media Group LLC•June 6, 2026•1 min read
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USS Becuna SS-319 BadgeSource: Wikimedia Commons — public domain (U.S. Navy photograph)
Service History
From the public Wikipedia / DANFS service-history record — source ›
USS Becuna (SS-319), a Balao-class submarine commissioned in May 1944, conducted five war patrols in the Pacific Theater between August 1944 and July 1945, sinking two Japanese tankers totaling 3,888 gross register tons. After World War II, she served in the Pacific Fleet until 1949, then transferred to the Atlantic Fleet where she operated as a training ship and made two deployments with the Sixth Fleet in the Mediterranean. Decommissioned in November 1969, Becuna was designated a National Historic Landmark and became a museum ship at Penn's Landing in Philadelphia in 1976, where she remains on permanent display.
Construction & Service Dates
Builder
Electric Boat Company, Groton, Connecticut
Laid down
1943-04-29
Launched
1944-01-30
Commissioned
1944-05-27
Decommissioned
1969-11-07
Notable Tours / Service Eras
WWII Pacific Theater 1944-1945
Pacific Fleet Operations 1945-1949
Atlantic Fleet Training and Sixth Fleet Mediterranean Deployments 1949-1969
Combat Actions
Sinking of Tokuwa Maru· 1944-10 Joint sinking with USS Hawkbill
Sinking of Nichiryu Maru· 1945-02 Tanker sunk by torpedo
Drydock & Overhaul Periods
High Asbestos-Exposure Window
Fremantle· 1944 refit
Fremantle· 1945-01 refit
Subic Bay· 1945-02 refit
Fremantle· 1945-06 refit
Subic Bay· 1945-07 refit
Electric Boat Company, Groton· 1950-1951 GUPPY IA conversion
Asbestos rip-out, insulation replacement, and gasket-packing work occurred during these yard periods. Sailors aboard during overhauls had peak exposure to airborne asbestos fiber.
Final Disposition
Museum ship at Independence Seaport Museum, Philadelphia
Veterans' Firsthand Accounts
Were you aboard Becuna SS-319? Add your account.
No one knows this ship like the crew who ran her. If you served aboard, tell us what you remember — the spaces, the equipment, where the dust and lagging were, what the work was really like. Every firsthand account helps another Becuna SS-319 veteran or family understand where they may have been exposed, and where to find help.
About these accounts: they are personal recollections shared by veterans and their families — individual memory and experience, not archival records, and not independently verified. The ship's documented history, equipment manifest, and exposure record on this page are drawn from NARA, BUSHIPS, DANFS, and VA sources. These accounts sit alongside that documented record — they add to it, they don't change it.
Read the video transcript
Did you serve aboard the USS Becuna? This submarine carried asbestos in nearly every compartment. Here is where it was, and who is responsible. The USS Becuna, hull number SS-319, was a submarine, built by Electric Boat Company and commissioned in 1944. She served through WWII Pacific Theater, Pacific Fleet Operations, and Atlantic Fleet Training and Sixth Fleet Mediterranean Deployments. Public naval references list this equipment aboard the USS Becuna, SS-319 — insulated and sealed with asbestos. Each shipyard overhaul and major repair meant asbestos insulation was torn out and replaced — peak-exposure work for the yard workers and the crew aboard. Exposure was worst in the engineering spaces, where the snipes worked — but asbestos lined the whole ship, so all hands were exposed. The companies that made the asbestos equipment aboard — not the Navy — are who asbestos claims are brought against. According to asbestos litigation records, the equipment aboard the USS Becuna from makers such as General Electric allegedly contained asbestos. If you served aboard the USS Becuna and were later diagnosed with mesothelioma, asbestosis, or another asbestos-related disease, you may have a legal claim against the companies that made the asbestos products used aboard your ship. This is educational information from an independent publisher — not a law firm — and is not legal advice.
USS Becuna (SS-319) is a documented U.S. Navy submarine. The equipment reference below was extracted from the publicly-available Wikipedia article on this vessel, which cites the Dictionary of American Naval Fighting Ships (DANFS) — the U.S. Navy’s official ship-history publication maintained by the Naval History and Heritage Command.
Equipment Reference
Equipment Manifest — USS Becuna (SS-319). 3 machinery/equipment entries identified through ship-specific BUSHIPS documentation. Manufacturers in bold link to documented asbestos-product history on AsbestosIndex.com.
Equipment
Manufacturer
Qty
Notes
Diesel engines
General Motors
4
Fleet-boat-propulsion-late-GM-4-GE template indicates GM diesels; as-built configuration per Wikipedia infobox
Fleet-boat-propulsion-late-GM-4-GE template indicates GE electric motors; as-built configuration per Wikipedia infobox
Batteries
Sargo
Upgraded to Sargo II batteries during Guppy IA modernization per Wikipedia infobox
Source: this equipment reference was extracted from public Wikipedia/DANFS records for USS Becuna (SS-319). These are secondary-source records — not primary BUSHIPS design documents. For litigation purposes, this data is a starting point; a ship-specific BUSHIPS Material Inspection Report or commissioning book would provide gold-standard verification.
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.
Navy Ratings Most Exposed to Asbestos Aboard Becuna
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:
Fireman (FN) — engineering-plant tending across boiler and engine rooms
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.
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.
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.
Becuna SS-319 — Frequently Asked Questions
Are Becuna SS-319 veterans covered by Navy asbestos litigation records?
Yes. Becuna SS-319 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 Becuna SS-319 contained asbestos?
Asbestos-containing materials documented aboard U.S. Navy vessels of Becuna SS-319'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 Becuna SS-319?
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.
What equipment manufacturers are documented on Becuna SS-319?
Documented equipment manufacturers aboard Becuna SS-319 include: General Electric, General Motors, Sargo. These manufacturers supplied boilers, turbines, pumps, valves, electrical equipment, and insulation systems through BUSHIPS contracts during the asbestos era.
Do Becuna SS-319 veterans qualify for VA disability for mesothelioma?
Potentially. VA evaluates asbestos-related disability claims individually. Becuna SS-319 veterans generally need medical records showing the current disease, service records supporting in-service asbestos exposure, and a doctor's statement connecting the two. Veterans may file at VA.gov, call 1-800-827-1000, or seek free help from an accredited Veterans Service Organization such as DAV, VFW, or the American Legion.
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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If you served aboard USS Becuna SS-319 and have since been diagnosed with mesothelioma, asbestos-related lung cancer, or another asbestos disease after exposure to asbestos aboard ship, you may have a legal claim. Speak with O'Brien Law Firm — (314) 237-6461.
navyshipexposure.com is published by Rights Watch Media Group LLC, an independent publisher, and is sponsored by O'Brien Law Firm. This page is a public-records reference and is not legal or medical advice.