# ANNUALEX

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USN-JASDF ships and aircraft formations during ANNUALEX 2008

Aircraft fly overhead during an ANNUALEX 21G formation in 2009.

**ANNUALEX**[1] or **AnnualEx** (AE) is a [military exercise](/source/Military_exercise) by the [United States Navy](/source/United_States_Navy) and the [Japan Maritime Self-Defense Force](/source/Japan_Maritime_Self-Defense_Force).[2] It is annually held in the Southern [Sea of Japan](/source/Sea_of_Japan).[2]

The official definition reads: [ANNUALEX] ...

... is a bilateral training exercise between the Navy and JMSDF conducted in the waters south of Japan, to practice and evaluate the coordination, procedures, and interoperability elements required to effectively and cohesively respond to the defense of Japan or to a regional contingency in the Indo-Asia-Pacific.

— United States Navy, Mass Communication Specialist Seaman Sara B. Sexton, Commander, Task Force 70 Public Affairs, Japanese Admiral Embarks *Ronald Reagan* as Sea Combatant Commander During AnnualEx 16[3]

## History

The first ANNUALEX was held between November 5 and 15, 1996.[2] ANNUALEX 13g was held from November 4–11, 2016, and participation included 750 American military personnel.[2]

ANNUALEX 2021 was held from November 21–30 in the [Philippine Sea](/source/Philippine_Sea). Five international navies participated, including the [Royal Australian Navy](/source/Royal_Australian_Navy) (RAN), [Royal Canadian Navy](/source/Royal_Canadian_Navy) (RCN), [German Navy](/source/German_Navy) (GMN), [Japan Maritime Self-Defense Force](/source/Japan_Maritime_Self-Defense_Force) (JMSDF), and the U.S. Navy.[4] The German Navy participated with the "[Bayern](/source/German_frigate_Bayern)", an anti-submarine specialized ship with on-board helicopters and sonar equipment.[5]

The Carrier Strike Group 1 with the [USS Carl Vinson](/source/USS_Carl_Vinson) (CVN 70) participated in the ANNAULEX held in November 2023.[6] The RAN and RCN also participated together with Japan and the U.S.[7]

ANNAULEX 2025 was held from October 20-31 in the [Philippine Sea](/source/Philippine_Sea) with the [JS Kaga](/source/JS_Kaga) (DDH184) anti-submarine warfare destroyer in the lead.[8] The U.S. Navy and Marine Corps participated in the 2025 ANNAULEX as well as the RAN and the [Royal Australian Air Force](/source/Royal_Australian_Air_Force) (RAAF), the RCN and [Royal Canadian Air Force](/source/Royal_Canadian_Air_Force) (RCAF), the [French Navy](/source/French_Navy) and the [Royal New Zealand Air Force](/source/Royal_New_Zealand_Air_Force) (RNZAF).[9]

## References

1. **[^](#cite_ref-1)** [*Mariana Islands Range Complex: Environmental Impact Statement*](https://books.google.com/books?id=dPg3AQAAMAAJ&q=annualex) (Draft). Vol. 2. Pearl Harbor, HI: United States Department of the Navy. January 2009. p. XVIII. Retrieved 18 December 2022. ANNUALEX stands for 'Annual Exercise'

1. ^ [***a***](#cite_ref-globalsecurity_2-0) [***b***](#cite_ref-globalsecurity_2-1) [***c***](#cite_ref-globalsecurity_2-2) [***d***](#cite_ref-globalsecurity_2-3) Pike, John. ["Annual Exercise (ANNUALEX)"](https://www.globalsecurity.org/military/ops/annualex.htm). [GlobalSecurity.org](/source/GlobalSecurity.org). Retrieved 18 December 2022.

1. **[^](#cite_ref-3)** Sexton, Sara B. ["Japanese Admiral Embarks Ronald Reagan as Sea Combatant Commander During AnnualEx 16 (Story Number: NNS151124-06)"](https://www.globalsecurity.org/military/library/news/2015/11/mil-151124-nns01.htm). *GlobalSecurity.org*. Navy News Service. Retrieved 18 December 2022.

1. **[^](#cite_ref-4)** Camacho, Charena (21 November 2021). ["Australia, Canada, Germany, Japan and the U.S. join for ANNUALEX 2021"](https://www.navy.mil/Press-Office/News-Stories/Article/2850461/australia-canada-germany-japan-and-the-us-join-for-annualex-2021/). U.S. Navy Office of Information. Retrieved 18 December 2022.

1. **[^](#cite_ref-5)** ["Marinemanöver: Die „Bayern" bei ANNUALEX 2021"](https://www.bundeswehr.de/de/organisation/marine/aktuelles/manoever-fregatte-bayern-annualex-2021-5311952). *www.bundeswehr.de* (in German). 2021-12-09. Retrieved 2026-03-05.

1. **[^](#cite_ref-6)** ["Japan, U.S. forces begin multilateral exercise ANNUALEX 2025"](http://web.archive.org/web/20251206131906/https://www.c7f.navy.mil/Media/News/Display/Article/4324950/japan-us-forces-begin-multilateral-exercise-annualex-2025/). *Commander, U.S. 7th Fleet*. Archived from [the original](https://www.c7f.navy.mil/Media/News/Display/Article/4324950/japan-us-forces-begin-multilateral-exercise-annualex-2025/) on 2025-12-06. Retrieved 2026-03-05.

1. **[^](#cite_ref-7)** ["Australia, Canada, Japan, U.S. Navies Partner in Multilateral Exercise in Philippine Sea"](http://web.archive.org/web/20260206213601/https://www.c7f.navy.mil/Media/News/Display/Article/3586330/australia-canada-japan-us-navies-partner-in-multilateral-exercise-in-philippine/). *Commander, U.S. 7th Fleet*. Archived from [the original](https://www.c7f.navy.mil/Media/News/Display/Article/3586330/australia-canada-japan-us-navies-partner-in-multilateral-exercise-in-philippine/) on 2026-02-06. Retrieved 2026-03-05.

1. **[^](#cite_ref-8)** Fretay, Halna du. ["U.S. and Japan Navy launch ANNUALEX 2025 in Philippine Sea training maritime warfare"](https://www.armyrecognition.com/news/navy-news/2025/u-s-and-japan-navies-launch-annualex-2025-in-philippine-sea-to-train-in-maritime-warfare). *www.armyrecognition.com*. Retrieved 2026-03-05.

1. **[^](#cite_ref-9)** Mahadzir, Dzirhan (2025-10-22). ["U.S. Sailors, Marines Join Partners for Biennial Exercise in Philippine Sea"](https://news.usni.org/2025/10/22/u-s-sailors-marines-join-partners-for-biennial-exercise-in-philippine-sea). *USNI News*. Retrieved 2026-03-05.

## External links

- Media related to [ANNUALEX](https://commons.wikimedia.org/wiki/Category:ANNUALEX) at Wikimedia Commons

v t e Japan–United States relations Diplomatic posts Embassy of Japan, Washington, D.C. Ambassadors of Japan to the United States Embassy of the United States, Tokyo Ambassadors of the United States to Japan Japanese Consulate-Generals Atlanta Detroit Honolulu Houston Nashville Japanese Embassy to the United States Sesquicentennial of Japanese Embassy to the United States Bureau of East Asian and Pacific Affairs Diplomacy Convention of Kanagawa Treaty of Amity and Commerce Japanese Monroe Doctrine for Asia Taft–Katsura agreement Treaty of Portsmouth Gentlemen's Agreement of 1907 Root–Takahira Agreement Lansing–Ishii Agreement Ladies' Agreement Washington Naval Conference Washington Naval Treaty London Naval Treaty U.S. and Japan Mutual Defense Assistance Agreement Security Treaty between the United States and Japan Treaty of Mutual Cooperation and Security between the United States and Japan U.S.–Japan Status of Forces Agreement Shimoda Conference 1971 Okinawa Reversion Agreement United States–Japan Advisory Commission Market-oriented sector selective talks Nye Initiative Special Action Committee on Okinawa United States-Japan Joint Nuclear Energy Action Plan U.S.–Japan Caucus International Space Station American–Japanese–Korean trilateral pact World War II Second Sino-Japanese War USS Panay incident Stimson Doctrine Attack on Pearl Harbor Export Control Act Hull note Pacific War Japanese declaration of war on the United States and the British Empire United States declaration of war on Japan ABCD line Japanese army and diplomatic codes Japanese naval codes Japanese Committee on Trade and Information Tokyo Rose Daigo Fukuryū Maru Atomic bombings of Hiroshima and Nagasaki Occupation of Japan United States Military Government of the Ryukyu Islands United States Civil Administration of the Ryukyu Islands U.S. governors of the Ryukyu Islands Rape during the occupation of Japan Japanese Instrument of Surrender Surrender of Japan Treaty of San Francisco Victory Day (United States) Victory over Japan Day Reverse Course Recreation and Amusement Association American cover-up of Japanese war crimes Incidents Aviation accidents in Japan involving U.S. military and government aircraft post-World War II Morrison incident Kobe Incident Nishimura Ekiu v. United States United States v. One Package of Japanese Pessaries 1945 Katsuyama killing incident Iva Toguri D'Aquino Bloody May Day Kawakita v. United States Sunagawa Struggle Sweden v. Yamaguchi Yumiko-chan incident Girard incident 1959 Okinawa F-100 crash Anpo protests Project 112 1964 Machida F-8 crash 1965 Philippine Sea A-4 incident Koza riot Lod Airport massacre Lockheed bribery scandals 1977 Yokohama F-4 crash USS George Washington (SSBN-598) Voluntary export restraint Toshiba–Kongsberg scandal George H. W. Bush vomiting incident Killing of Yoshihiro Hattori 1995 Okinawa rape incident 1996 Padilla car crash Japanese Sound Recording Trade Disputes 1998 Eskridge car crash Ehime Maru and USS Greeneville collision Michael Brown Okinawa assault incident United States beef imports in Japan USS Newport News (SSN-750) United States House of Representatives House Resolution 121 Kawashima v. Holder USS Fitzgerald and MV ACX Crystal collision Ridge Alkonis Military relations ANNUALEX Carrier Strike Group 5 CIA activities in Japan Cope North Fifth Air Force Major non-NATO ally Malabar (naval exercise) Quadrilateral Security Dialogue United Nations Command–Rear United States Army, Japan United States Forces Japan Okinawa Prefecture Omoiyari Yosan Operation Red Hat Operation Pacer IVY Operation Tomodachi U.S. nuclear weapons in Japan War Plan Orange Related Anti-Japanese sentiment in the United States Jap Nip Black Ships Friendship dolls Fukuji Dam Japan–United States women's soccer rivalry 2011 FIFA Women's World Cup final 2015 FIFA Women's World Cup final H-I N-I N-II Nike J IOM soybeans Japanese friendship dolls Japanese language education in the United States Japanese Television Cartel Jinkanpo Atsugi Incinerator Divie Bethune McCartee Henry Heusken Ninomiya Sontoku Tadashi Yamamoto Yukio Okamoto Ryukyu Kingdom–United States relations American School in Japan American Joint Committee for Assisting Japanese-American Orphans Japan America Society of Greater Philadelphia Japan Center for International Exchange Japan Center for Michigan Universities Japan Society (Manhattan) Japan America Society of Houston National Association of Japan–America Societies National Cherry Blossom Festival Nippon Club (Manhattan) Trilateral Commission The U.S.-Japan Conference on Cultural and Educational Interchange (CULCON) U.S.-Japan Council Peace Monument of Glendale Sesquicentennial of Japanese Embassy to the United States Type A Cipher Machine Type B Cipher Machine Japan-US (cable system) NPC (cable system) PC-1 TPC-5CN TPE (cable system) Unity (cable system) VSNL Transpacific The Reckoning The Coming War with Japan Gung Ho ANPO: Art X War Pacific Overtures Timeline Category:Japan–United States relations

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