Commander, Submarine Group 7 | CSG-7

JEJU ISLAND, South Korea (May 16, 2025) Rear Adm. Kang Dong-goo, commander, Republic of Korea (ROK) Navy Submarine Force and Rear Adm. Lincoln Reifsteck, commander, Submarine Group (CSG) 7, meet at Jeju Island, May 16, 2025, for the 60th Submarine Warfare Committee Meeting (SWCM). SWCM complements the many combined port visits, exercises, training, operations, and other military cooperation activities by the U.S. and ROK submarine commands. CSG-7 directs forward-deployed combat-capable forces across the full spectrum of undersea warfare throughout the Western Pacific, Indian Ocean and Arabian Sea. (Photo courtesy of ROK Public Affairs)

60th Submarine Warfare Committee Meeting Held at Jeju Island

The 60th iteration of the Submarine Warfare Committee Meeting (SWCM) took place at Jeju Island with Commander, Submarine Group (CSG) 7 and the Republic of Korea (ROK) Navy Submarine Force, May 16. FULL STORY

ATSUGI, Japan (Sept. 27, 2024) Rear Adm. Kang Jeong-ho, commander, Republic of Korea Navy Submarine Force, and Rear Adm. Chris Cavanaugh, commander, Submarine Group (CSG) 7, visit a P-8A Poseidon assigned to maritime patrol (VP) squadron 10 at Naval Air Facility Atsugi, Sept. 27, 2024, during the Submarine Warfare Committee Meeting (SWCM). SWCM complements the many combined port visits, exercises, training, operations, and other military cooperation activities by the U.S. and ROK submarine commands. CSG-7 directs forward-deployed combat-capable forces across the full spectrum of undersea warfare throughout the Western Pacific, Indian Ocean and Arabian Sea. (U.S. Navy photo by Mass Communication Specialist Seaman Andrew McPeek

ROK, US Submarine Commands Hold Talks, Cinch Ties for 30th Year

Commander, Submarine Group (CSG) 7 and the Republic of Korea (ROK) Navy Submarine Force, held the 59th iteration of the Submarine Warfare Committee Meeting (SWCM) at CSG-7 headquarters aboard Fleet Activities Yokosuka, Sept. 26-28. FULL STORY

BUSAN Rear Adm. Chris Cavanaugh, Commander, Submarine Group 7, left, and Rear Adm. Kang Jeong-ho, Commander, ROK Navy Submarine Force, pose with the signed memorandum at the conclusion of the 58th semiannual Submarine Warfare Committee Meeting (SWCM) in Busan, South Korea. SWCM meetings have been held twice per year by U.S. and ROK submarine forces since 1994. During the meetings, submarine force units discuss ways to deepen partnerships and improve combined interoperability. (Photo courtesy of ROK Public Affairs)

58th Submarine Talks in Busan, Jeju

Submarine Group 7 and the Republic of Korea (ROK) Navy Submarine Force, held the 58th iteration of the Submarine Warfare Committee Meeting (SWCM) in South Korea, May 7-9. FULL STORY

240417-N-NU510-1001 ATSUGI, Japan (April 17, 2024) Capt. Zachary “Stanger” Stang, commander, Task Force 72 (front row, left to right), Rear Adm. Chris Cavanaugh, commander, Submarine Group 7, and Japanese Maritime Self Defense Forces Vice Adm. Goka Yoshihiro, commander, Fleet Submarine Forces, stand with their staffs and crew from Patrol Squadron (VP) 4 in front of a P-8A Poseidon, April 17. VP-4 is based in Whidbey Island, Washington, and currently on a rotational deployment operating from multiple locations in Japan. The squadron conducts maritime patrol and reconnaissance as well as theater outreach operations, supporting Commander, Task Force 72, U.S. Seventh Fleet, and U.S. Indo-Pacific Command objectives throughout the Indo-Pacific region.(U.S. Navy photo Courtesy Asset)

Patrol Squadron 4 Flies Task Force 72, Undersea Commanders

Patrol Squadron (VP) 4 embarked commanders of Japan Maritime Self-Defense Force (JMSDF) Submarine Forces, U.S. Submarine Group 7, and Commander, Task Force 72 aboard a P-8A Poseidon over the Western Pacific for a training flight, April 17. FULL STORY

FREMANTLE, Western Australia (March 13, 2024) – U.S. Navy sailors assigned to the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760) and Royal Navy sailors speak with students of South Metropolitan TAFE, Fremantle Campus, in Fremantle, Western Australia, March 13, 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)

Trilateral Community Relations Highlight Close AUKUS Partnership

-Sailors from USS Annapolis (SSN 760) and the Royal Navy participated in community relations events as part of the first Australia, United Kingdom, United States (AUKUS)-related port visit to HMAS Stirling in Western Australia (WA) in 2024. FULL STORY

CSG -7 / CTF-54 / CTF-74

Submarine Group 7 Headlines

ROK, US Submarine Commands Hold Talks, Cinch Ties for 30th Year
September 28, 2024 — Commander, Submarine Group (CSG) 7 and the Republic of Korea (ROK) Navy Submarine Force, held the... MORE

ATSUGI, Japan (Sept. 27, 2024) Rear Adm. Kang Jeong-ho, commander, Republic of Korea Navy Submarine Force Command, and Rear Adm. Chris Cavanaugh, commander, Submarine Group (CSG) 7, visit a P-8A Poseidon assigned to maritime patrol (VP) squadron 10 at Naval Air Facility Atsugi, Sept. 27, 2024, during the Submarine Warfare Committee Meeting (SWCM). SWCM complements the many combined port visits, exercises, training, operations, and other military cooperation activities by the U.S. and ROK submarine commands. CSG-7 directs forward-deployed combat-capable forces across the full spectrum of undersea warfare throughout the Western Pacific, Indian Ocean and Arabian Sea. (U.S. Navy photo by Mass Communication Specialist Seaman Andrew McPeek)

RADM Cavanaugh visits DESRON 15 Assets
July 9, 2024 — Rear Adm. Chris Cavanaugh, commander, Submarine Group 7,visited the crews of the Arleigh Burke-class... MORE

YOKOSUKA, Japan (July 9, 2024) Rear Adm. Chris Cavanaugh, commander, Submarine Group 7, addresses the crews of the Arleigh Burke-class guided-missile destroyers USS McCampbell (DDG 85) and USS Ralph Johnson (DDG 114), during a visit to the ships July 9, 2024, at Fleet Activities Yokosuka. Cavanaugh visited the crews of Arleigh Burke-class guided-missile destroyers Dewey, USS McCampbell (DDG 85) and USS Ralph Johnson (DDG 114) to commend them on their theater anti-submarine warfare efforts. (U.S. Navy photo by Mass Communication Specialist 1st Class Brian G. Reynolds)

58th Submarine Talks in Busan, Jeju
May 9, 2024 — Submarine Group 7 and the Republic of Korea (ROK) Navy Submarine Force, held the 58th iteration of... MORE

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Submarine Group 7

Commander, Task Force 54 / Commander Task Force 74

60th Submarine Warfare Committee Meeting Held at Jeju Island

ROK, US Submarine Commands Hold Talks, Cinch Ties for 30th Year

58th Submarine Talks in Busan, Jeju

Patrol Squadron 4 Flies Task Force 72, Undersea Commanders

Trilateral Community Relations Highlight Close AUKUS Partnership