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U.S. Army Soldiers from U.S. Army Pacific (USARPAC), 1st (Australian) Division Soldiers, and the Japan Ground Self-Defense Force (JGSDF) members salute their national colors during the opening ceremony of Exercise Yama Sakura 89 on JGSDF Camp Itami, Japan, Aug. 25, 2025. As a part of U.S. Army Pacific's Operation Pathways, the 45th iteration of Yama Sakura exercise, YS 89, is the third U.S. Army, Japan Ground Self-Defense Force (JGSDF) and Australian Army command post exercise based in Japan. Ground Staff Office (GSO) Training, Evaluation, Education, Research and Development Command (TERCOM), Ground Component Command (GCC) and Middle Army from the Japan Ground Self-Defense Force and 1st Division from the Australian Army train together with Soldiers of the U.S. Army I Corps, 25th Infantry Division, U.S. Army Japan and the 3rd Marine Division in a Joint environment to strengthen multi-domain and cross-domain interoperability and readiness to ensure a free and open Indo-Pacific.
(Photo Credit: U.S. Army photo by Spc. Abreanna Goodrich)VIEW ORIGINAL2 / 4Show Caption +Hide Caption –
U.S. Army Soldiers from U.S. Army Pacific (USARPAC), 1st (Australian) Division Soldiers, and the Japan Ground Self-Defense Force (JGSDF) members salute their national colors during the opening ceremony of Exercise Yama Sakura 89 on JGSDF Camp Itami, Japan, Aug. 25, 2025. As a part of U.S. Army Pacific's Operation Pathways, the 45th iteration of Yama Sakura exercise, YS 89, is the third U.S. Army, Japan Ground Self-Defense Force (JGSDF) and Australian Army command post exercise based in Japan. Ground Staff Office (GSO) Training, Evaluation, Education, Research and Development Command (TERCOM), Ground Component Command (GCC) and Middle Army from the Japan Ground Self-Defense Force and 1st Division from the Australian Army train together with Soldiers of the U.S. Army I Corps, 25th Infantry Division, U.S. Army Japan and the 3rd Marine Division in a Joint environment to strengthen multi-domain and cross-domain interoperability and readiness to ensure a free and open Indo-Pacific.
(Photo Credit: U.S. Army photo by Spc. Abreanna Goodrich)VIEW ORIGINAL3 / 4Show Caption +Hide Caption –
U.S. Army Soldiers from U.S. Army Pacific (USARPAC), 1st (Australian) Division Soldiers, and the Japan Ground Self-Defense Force (JGSDF) members salute their national colors during the opening ceremony of Exercise Yama Sakura 89 on JGSDF Camp Itami, Japan, Aug. 25, 2025. As a part of U.S. Army Pacific's Operation Pathways, the 45th iteration of Yama Sakura exercise, YS 89, is the third U.S. Army, Japan Ground Self-Defense Force (JGSDF) and Australian Army command post exercise based in Japan. Ground Staff Office (GSO) Training, Evaluation, Education, Research and Development Command (TERCOM), Ground Component Command (GCC) and Middle Army from the Japan Ground Self-Defense Force and 1st Division from the Australian Army train together with Soldiers of the U.S. Army I Corps, 25th Infantry Division, U.S. Army Japan and the 3rd Marine Division in a Joint environment to strengthen multi-domain and cross-domain interoperability and readiness to ensure a free and open Indo-Pacific.
(Photo Credit: U.S. Army photo by Spc. Abreanna Goodrich)VIEW ORIGINAL4 / 4Show Caption +Hide Caption –
U.S. Army Soldiers from U.S. Army Pacific (USARPAC), 1st (Australian) Division Soldiers, and the Japan Ground Self-Defense Force (JGSDF) members salute their national colors during the opening ceremony of Exercise Yama Sakura 89 on JGSDF Camp Itami, Japan, Aug. 25, 2025. As a part of U.S. Army Pacific's Operation Pathways, the 45th iteration of Yama Sakura exercise, YS 89, is the third U.S. Army, Japan Ground Self-Defense Force (JGSDF) and Australian Army command post exercise based in Japan. Ground Staff Office (GSO) Training, Evaluation, Education, Research and Development Command (TERCOM), Ground Component Command (GCC) and Middle Army from the Japan Ground Self-Defense Force and 1st Division from the Australian Army train together with Soldiers of the U.S. Army I Corps, 25th Infantry Division, U.S. Army Japan and the 3rd Marine Division in a Joint environment to strengthen multi-domain and cross-domain interoperability and readiness to ensure a free and open Indo-Pacific.
(Photo Credit: U.S. Army photo by Spc. Abreanna Goodrich)VIEW ORIGINAL
CAMP ITAMI, Japan – The Japan Ground Self-Defense Force, Australian Army and U.S. Army will conduct exercise Yama Sakura 89, Aug. 25-31 primarily at Camp Itami, Hyogo Prefecture and Camp Asaka, Tokyo.
Exercise Yama Sakura, first held in 1982, is an annual part of USARPAC’s Operation Pathways and the largest combined and trilateral command post exercise co-sponsored by USARPAC and the JGSDF.
“This exercise is not just about military readiness,” U.S. Army Maj. Gen. James Bartholomees said. “It is about building trust, fostering mutual understanding, and enhancing interoperability across human, procedural and technical domains.”
Participants include the JGSDF's Ground Component Command and Middle Army; the Australian Army's 1st Division; and the U.S. Army Pacific units including U.S. Army Japan, I Corps and the 25th Infantry Division.
The exercise focuses on the development and refinement of trilateral planning, coordination and interoperability efforts. For more than 40 years, it has demonstrated dedicated allies in support of the U.S.-Japan-Australian security treaty and continued peace and stability in the Indo-Pacific region.
“These partnerships are not built overnight; they are forged through years of collaboration, mutual respect, and a shared vision for a free and open Indo-Pacific,” said Bartholomees.
The U.S.-Japan-Australian alliance is a cornerstone of peace and security in the Indo-Pacific region. YS89 demonstrates the shared commitment to maintaining a stable and prosperous environment for all nations in the region.
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