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251113-N-PE342-8603

GARDEN ISLAND, HMAS Stirling, Western Australia, Australia (Nov. 10, 2025) - A bilateral team of U.S. Navy Sailors and civilians of the Pearl Harbor Naval Shipyard Dive Locker, and Australian members of Clearance Dive Team 4 dive under the hull of the USS Vermont (SSN 792) in support of a planned submarine maintenance period (SMP). The bilateral team completed multiple jobs including installing patches under the hull to allow access to main ballast tank three. The maintenance period showcased Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility’s ability to conduct maintenance in Western Australia and its training of Australian maintainers to support the establishment of Submarine Rotational Force – West as early as 2027 as part of AUKUS Pillar I, the trilateral security agreement between Australia, the United Kingdom and the United States. The AUKUS I&A Program Office is the U.S. Navy office responsible for executing the trilateral partnership to assist Australia in acquiring conventionally armed, nuclear-powered attack submarines at the earliest possible date while setting the highest nuclear stewardship standards and continuing to maintain the highest nonproliferation standard. (U.S. Navy Photo by Cmdr. Erik Wells)

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The Virginia-class fast-attack submarine USS Minnesota (SSN 783) arrives at HMAS Stirling, Western Australia

WESTERN AUSTRALIA (Feb. 25, 2025) — USS Minnesota (SSN 783) arrives in Western Australia on Feb. 25, 2025, initiating the first of two planned U.S. fast-attack submarine visits to HMAS Stirling in 2025. Port visits support the first pillar of the Australia, United Kingdom, and United States trilateral security agreement, known as AUKUS, that is delivering a sovereign conventionally armed, nuclear-powered attack submarine capability to Australia. (U.S. Navy photo by Public Affairs Officer Lt. Corey Todd Jones)

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240926-D-TT977-1378

Secretary of Defense Lloyd J. Austin III meets with UK Secretary of State for Defence John Healey and Australian Deputy Prime Minister and Defense Minister Richard Marles at the 3rd the AUKUS Defense Ministerial Meeting at the Old Royal Naval College, London, Sept. 26, 2024. (DoD photo by Chad J. McNeeley)

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First Royal Australian Navy Enlisted Sailors Begin Training at U.S. Submarine School

(JUNE 11, 2024) United States Navy and Royal Australian Navy Sailors enrolled in the U.S. Naval Submarine School’s Basic Enlisted Submarine School pose for a photo between training sessions aboard the Naval Submarine Base New London in Groton, Connecticut, Jun. 11, 2024. These nine RAN Sailors are the first group of enlisted RAN Sailors to attend the U.S. Naval Submarine School as part of AUKUS (Australia, United Kingdom, United States) Pillar 1 Optimal Pathway, aimed at helping Australia acquire a conventionally armed, nuclear-powered submarine fleet. U.S. Navy photo by Lauren Laughlin

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240409-N-PC065-1129

Adm. John C. Aquilino, commander, U.S. Indo-Pacific Command, speaks with Michael Fullilove, Executive Director at the Lowy Institute in Sydney on April 9, 2024. The engagement was part of a trip to Australia focused on increasing cooperation and military integration as part of the strong bilateral relationship. USINDOPACOM is committed to enhancing stability in the Indo-Pacific region by promoting security cooperation, encouraging peaceful development, responding to contingencies, deterring aggression and, when necessary, fighting to win. (U.S. Navy photo by Mass Communication Specialist 1st Class John D. Bellino)

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240409-N-PC065-1172

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Australian AUKUS Divers Conduct Training in Pearl Harbor

Royal Australian Navy divers don their equipment before entering the water during a familiarization dive with Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) at Joint Base Pearl Harbor-Hickam, April 9, 2024. The team is part of AUKUS, a trilateral partnership of Australia, United Kingdom, and the U.S. that seeks to deliver conventionally armed, nuclear-powered attack submarines to Australia to help ensure a peaceful and stable Indo-Pacific. PHNSY & IMF is the largest, most comprehensive fleet repair and maintenance facility between the U.S. West Coast and the Far East and provides a capable, ready and "Fit to Fight" fleet. (U.S. Navy photo by Claudia LaMantia)

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240310-N-WH681-1152

ROCKINGHAM, Western Australia (March 10, 2024) – U. S. Navy Cmdr. James Tuthill, commanding officer of the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760), greets Royal Australian Navy Capt. Ken Burleigh, commanding officer of HMAS Stirling, after Annapolis moors alongside Diamantina Pier at Fleet Base West in Rockingham, Western Australia, March 10, 2024. The nuclear-powered, conventionally-armed submarine is in HMAS Stirling for the second visit by a fast-attack submarine to Australia since the announcement of the AUKUS (Australia, United Kingdom, United States) Optimal Pathway in March 2023. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kaitlyn E. Eads)

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240310-N-WH681-1033

ROCKINGHAM, Western Australia (March 10, 2024) – U.S. Navy Sailors assigned to the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760) prepare the submarine to moor alongside Diamantina Pier at Fleet Base West in Rockingham, Western Australia, March 10, 2024. The nuclear-powered, conventionally-armed submarine is in HMAS Stirling for the second visit by a fast-attack submarine to Australia since the announcement of the AUKUS (Australia, United Kingdom, United States) Optimal Pathway in March 2023. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kaitlyn E. Eads)

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CTF 74 Visits U.S. Submarine in Australia

Royal Australian Navy Rear Adm. Matt Buckley, Head of Capability, Nuclear Powered Submarine Task Force and Rear Adm. Rick Seif, commander, Submarine Group 7 board the Los Angeles-class fast-attack submarine USS Asheville (SSN 758) for a distinguished visitor cruise with Australian political leaders and diplomatic guests, March 15. Asheville conducted multiple tours for distinguished visitors during a routine visit to HMAS Stirling, Western Australia to enhance interoperability and communication, and strengthen relationships with the Royal Australian Navy.

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CTF 74 Visits U.S. Submarine in Australia

Royal Australian Navy Rear Adm. Matt Buckley, Head of Capability, Nuclear Powered Submarine Task Force and Rear Adm. Rick Seif, commander, Submarine Group 7 pose for a photo before a tour of the Los Angeles-class fast-attack submarine USS Asheville (SSN 758) with Australian political leaders, March 14. Asheville conducted multiple tours for distinguished visitors during a routine port visit to HMAS Stirling, Western Australia to enhance interoperability and communication, and strengthen relationships with the Royal Australian Navy.

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DOD Official Says Sub Agreement Will Help Guarantee Free, Open Indo-Pacific

Sailors assigned to the Los Angeles-class fast-attack submarine USS Asheville (SSN 758) salute the national ensign after arriving at Royal Australian Navy HMAS Stirling Naval Base, Feb. 27. Asheville is currently on patrol in support of national security interests in the U.S. 7th Fleet area of operations.

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More images from around the AOR

251113-N-PE342-8603

The Virginia-class fast-attack submarine USS Minnesota (SSN 783) arrives at HMAS Stirling, Western Australia

240926-D-TT977-1378

First Royal Australian Navy Enlisted Sailors Begin Training at U.S. Submarine School

240409-N-PC065-1129

240409-N-PC065-1172

Australian AUKUS Divers Conduct Training in Pearl Harbor

240310-N-WH681-1152

240310-N-WH681-1033

CTF 74 Visits U.S. Submarine in Australia

CTF 74 Visits U.S. Submarine in Australia

DOD Official Says Sub Agreement Will Help Guarantee Free, Open Indo-Pacific