HII Welcomes UK’s Westley Group as Strategic Supplier, Strengthening Global Submarine Supply Chain Under AUKUS Framework
HII (NYSE: HII) announced on Nov 4, 2025 that UK-based Westley Group has been approved by HII’s Newport News Shipbuilding division as a strategic supplier to deliver critical metal castings for U.S. Navy platforms. The addition supports allied defense collaboration under the AUKUS trilateral partnership and aims to strengthen the global submarine supply chain.
HII framed the supplier approval as a step toward creating a more integrated, resilient supplier network to help meet expanded requirements for nuclear-powered submarines and to reinforce collective readiness across AUKUS nations.
HII (NYSE: HII) ha annunciato il 4 novembre 2025 che il gruppo britannico Westley Group è stato approvato dalla divisione Newport News Shipbuilding di HII come fornitore strategico per fornire castings di metallo critici per le piattaforme della Marina degli Stati Uniti. L’aggiunta supporta la collaborazione di difesa tra alleati nell’ambito della partnership trilaterale AUKUS e mira a rafforzare la catena di approvvigionamento globale dei sottomarini. HII ha inquadrato l’approvazione del fornitore come un passo verso la creazione di una rete di fornitori più integrata e resiliente per aiutare a soddisfare i requisiti ampliati dei sottomarini a propulsione nucleare e per rafforzare la prontezza collettiva tra i paesi AUKUS.
HII (NYSE: HII) anunció el 4 de noviembre de 2025 que el grupo británico ha sido aprobado por la división Newport News Shipbuilding de HII como un proveedor estratégico para entregar fundiciones de metales críticos para plataformas de la Marina de los Estados Unidos. La incorporación apoya la colaboración en defensa entre aliados bajo la asociación trilateral AUKUS y tiene como objetivo fortalecer la cadena de suministro global de submarinos. HII enmarcó la aprobación del proveedor como un paso hacia la creación de una red de proveedores más integrada y resistente para ayudar a cumplir los requisitos ampliados de los submarinos de propulsión nuclear y para reforzar la preparación colectiva entre los países de AUKUS.
HII (NYSE: HII)는 2025년 11월 4일에 영국에 기반을 둔 Westley Group가 HII의 노퍗(Norport News Shipbuilding) 사업부에 의해 전략적 공급업체로 승인되어 미국 해군 플랫폼용 핵심 금속 주형을 제공하게 되었음을 발표했습니다. 이 추가 조치는 AUKUS 삼자 파트너십 하의 동맹 방위 협력을 지원하며 글로벌 잠수함 공급망을 강화하는 것을 목표로 합니다. HII는 공급업체 승인을 핵연료 추진 잠수함에 대한 확대된 요구를 충족하고 AUKUS 국가들 간의 공동 대비태세를 강화하기 위한 더 통합되고 회복력 있는 공급망을 구축하는 조치로 설명했습니다.
HII (NYSE: HII) a annoncé le 4 novembre 2025 que le groupe britannique Westley Group a été approuvé par la division Newport News Shipbuilding de HII en tant que fournisseur stratégique pour livrer des pièces moulées en métaux critiques pour les plateformes de la Marine américaine. Cette nomination soutient la collaboration en matière de défense entre alliés dans le cadre du partenariat trilatéral AUKUS et vise à renforcer la chaîne d'approvisionnement mondiale des sous-marins. HII a décrit l'approbation du fournisseur comme une étape vers la création d'un réseau de fournisseurs plus intégré et résilient pour aider à répondre aux exigences accrues des sous-marins à propulsion nucléaire et pour renforcer la préparation collective des nations AUKUS.
HII (NYSE: HII) kündigte am 4. November 2025 an, dass die in Großbritannien ansässige Westley Group von der Division Newport News Shipbuilding von HII als strategischer Lieferant genehmigt wurde, um wichtige Metallgussstücke für US-Marineplattformen zu liefern. Die Aufnahme unterstützt die verteidigungsbezogene Zusammenarbeit von Verbündeten im trilateralen AUKUS-Partnerschaft und zielt darauf ab, die globale Lieferkette für U-Boot-Anlagen zu stärken. HII beschrieb die Lieferantenfreigabe als Schritt zu einem stärker integrierten, widerstandsfähigen Lieferantennetzwerk, um die erweiterten Anforderungen für Atom-U-Boote zu erfüllen und die kollektive Bereitschaft der AUKUS-Nationen zu stärken.
HII (NYSE: HII) أعلن في 4 نوفمبر/تشرين الثاني 2025 أن المجموعة البريطانية Westley Group تم اعتمادها من قبل قسم Newport News Shipbuilding في HII كمورد استراتيجي لتوريد سبائك معدنية حاسمة لمنصات البحرية الأمريكية. ويدعم الإضافة التعاون الدفاعي بين الحلفاء بموجب شراكة AUKUS الثلاثية ويهدف إلى تعزيز سلسلة إمداد الغواصات العالمية. ووصفت HII موافقة المورد بأنها خطوة نحو إنشاء شبكة مورّدين أكثر تكاملاً ومرونة للمساعدة في تلبية المتطلبات الموسَّعة لغواصات الطاقة النووية ولتعزيز الجاهزية الجماعية عبر دول AUKUS.
- Supplier approval for Westley Group effective Nov 4, 2025
- Newport News cleared Westley to deliver critical castings for U.S. Navy platforms
- Strengthens AUKUS industrial integration and supply-chain resilience
- None.
Insights
HII approved UK-based Westley Group as a strategic supplier to Newport News, expanding allied submarine supply capacity under AUKUS.
HII has added Westley Group, a United Kingdom manufacturer of high-integrity metal castings, as an approved strategic supplier to its Newport News Shipbuilding division. This approval authorizes Westley to deliver critical castings for U.S. Navy platforms and aligns supply activity with the AUKUS trilateral partnership among Australia, the United Kingdom, and the United States.
Operationally, this increases available casting capacity for submarine construction and integrates a non‑U.S. vendor into the program supply chain. The announcement frames the change as adding incremental volume needed to construct more submarines to meet national security needs; the primary dependency is successful qualification and steady production from Westley to translate approval into delivered parts.
Watch for evidence of parts deliveries, qualification milestones at Newport News, and any published production schedules or integration steps within the next 6–24 months; such items will show whether approval converts to tangible supply‑chain capacity. The linked photos and the timing at the Indo Pacific International Maritime Exposition on
SYDNEY, Nov. 04, 2025 (GLOBE NEWSWIRE) -- At the Indo Pacific International Maritime Exposition in Sydney, HII (NYSE: HII) announced the addition of Westley Group, a leading United Kingdom-based manufacturer of high-integrity metal castings, as a strategic supplier supporting the U.S. Navy’s submarine industrial base.
This milestone marks another step forward in advancing allied defense collaboration under the AUKUS trilateral partnership between Australia, the United Kingdom, and the United States.
Westley Group is now approved by HII’s Newport News Shipbuilding division, builder of nuclear-powered submarines and aircraft carriers for the U.S. Navy, to deliver critical castings for U.S. Navy platforms.
“Consistent with the need to have a more integrated supply chain, creating this new supplier that builds essential components adds to the incremental volume required to construct more submarines to meet national security needs,” said Matt Mulherin Jr., HII’s Newport News Shipbuilding division vice president of supply chain and strategic sourcing. “This benefits everyone in the partnership and is a key step toward strengthening and creating a more robust supplier network to meet the expanded need for nuclear-powered submarines.”

Photos accompanying this release are available at: http://hii.com/news/hii-welcomes-uks-westley-group-as-strategic-supplier-strengthening-global-submarine-supply-chain-under-aukus-framework/.
The partnership underscores HII’s commitment to expanding industrial integration across AUKUS nations and building a more resilient, globally connected supply chain to support submarine program execution.
This collaboration highlights deepening industrial integration under the AUKUS framework and strengthens collective readiness across the trilateral partnership.
About Westley Group
Westley Group has four vertically integrated manufacturing facilities in the U.K. Westley Group employs over 300 personnel and specializes in end-to-end production of sand and centrifugal castings, precision machining, non-destructive testing, and final assembly. Its comprehensive in-house capabilities ensure consistent quality, reduced lead times, and performance critical to mission success in defense applications.
About HII
HII is a global, all-domain defense provider. HII’s mission is to deliver the world’s most powerful ships and all-domain solutions in service of the nation, creating the advantage for our customers to protect peace and freedom around the world.
As the nation’s largest military shipbuilder, and with a more than 135-year history of advancing U.S. national security, HII delivers critical capabilities extending from ships to unmanned systems, cyber, ISR, AI/ML and synthetic training. Headquartered in Virginia, HII’s workforce is 44,000 strong. For more information, visit:
- HII on the web: https://www.HII.com/
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Contact:
Greg McCarthy
(202) 264-7126
gregory.j.mccarthy@hii-co.com
A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/0084f87b-32c7-434a-8d96-720c7cc5f918