A 13-day multinational combat readiness exercise involving ground forces from four Indo-Pacific nations is now underway at Fort Magsaysay in Nueva Ecija, with troops from the Philippine Army, US Army Pacific (USARPAC), Australian Army, and Japan Ground Self-Defense Force training together under a structured multi-domain operations framework that runs from May 8 to May 20, 2026.
What Is Being Conducted and Where
The training activity is part of the Joint Pacific Multinational Readiness Center-Exportable exercise — commonly referred to as JPMRC-X — which forms the core component of Exercise Salaknib's Phase 2. Fort Magsaysay, widely recognized as the largest military reservation in the Philippines, was selected as the training venue due to its expansive land area, varied terrain, and established infrastructure for large-scale combined-arms exercises.
According to a statement released by Colonel Louie G. Dema-ala, Chief of Public Affairs of the Philippine Army, the exercise is placing participating troops through "tough, realistic training conducted across diverse and challenging terrain." The statement was issued from Fort Bonifacio in Taguig City and outlined the scope and objectives of the multinational activity.
The JPMRC-X framework was developed by US Army Pacific specifically to export the high-readiness training standards of its Hawaii-based Joint Pacific Multinational Readiness Center to partner nations across the Indo-Pacific region. Under this format, exercises are designed to mirror the complexity and rigor of the parent program while being conducted on the soil of partner nations.
Multi-Domain Operations: The Core Training Concept
The exercise centers on multi-domain operations (MDO), a modern warfighting doctrine that requires military forces to integrate and synchronize capabilities across five domains simultaneously — land, air, sea, space, and cyberspace. MDO is considered a foundational concept in contemporary coalition warfare, demanding that units from different nations coordinate effectively despite differences in communication systems, command structures, and national doctrine.
The Philippine Army's Public Affairs Office emphasized that the exercise is designed to strengthen the ability of all participating forces to "work seamlessly together in various scenarios," with the broader aim of building interoperability and collective defense readiness among the four-nation coalition.
Training scenarios at Fort Magsaysay are expected to include simulated maneuver operations, command post exercises, and other combined-arms activities that replicate realistic operational conditions. The terrain and scale of the reservation make it well-suited for exercises that require both tactical mobility and logistical coordination across a large operating area.
Exercise Salaknib: Scope and Strategic Context
Exercise Salaknib is described by the Philippine Army as a large-scale land warfare exercise intended to strengthen the Philippine Army's capacity to address evolving security threats and maintain the country's land defense posture. In recent years, the exercise has expanded significantly in both scope and participation, now involving multiple allied nations and operating across several phases with distinct training objectives.
The integration of the JPMRC-X format into Phase 2 of Salaknib 2026 represents a notable enhancement in how the exercise incorporates allied and partner forces, moving beyond bilateral activities toward a more complex multilateral training architecture.
Salaknib is one of several annual military exercises that the Armed Forces of the Philippines conduct with partner nations as part of a broader strategy to reinforce defense alliances that are central to the country's regional security posture. The US-Philippine military relationship, anchored by the Mutual Defense Treaty and reinforced by the Enhanced Defense Cooperation Agreement (EDCA), has underpinned the growth of joint training activities such as Salaknib over recent years, according to publicly available defense agreements and official Philippine military statements.
Australian and Japanese Participation Signals Expanding Alliances
The involvement of the Australian Army and the Japan Ground Self-Defense Force in this year's Salaknib JPMRC-X exercise is a significant marker of how the Philippines' defense relationships beyond the United States have deepened in recent years. Both Australia and Japan have been expanding their bilateral security engagements with Manila through more frequent joint exercises, port calls, and formal defense agreements between their respective capitals and the Philippine government.
The presence of Australian and Japanese ground forces in a US Army Pacific-facilitated exercise alongside the Philippine Army reflects what observers have noted as a maturing multilateral security architecture across the Indo-Pacific — one that increasingly features structured, combined training among non-US partners operating within a shared framework.
While no individual analysts were cited in the Philippine Army's official statement, the configuration of the four-nation force — with USARPAC providing the overarching training structure — is consistent with broader regional defense cooperation trends that have been documented in official defense communications from Manila, Canberra, and Tokyo in recent years.
US Army Pacific's Role and the JPMRC-X Concept
USARPAC holds a central position in the exercise by providing the training framework, standards, and methodology around which the multinational drill is organized. The JPMRC-X concept was specifically developed to extend USARPAC's institutional readiness standards to the Indo-Pacific region without requiring partner nations to deploy their forces to Hawaii for training.
According to the Philippine Army's Public Affairs Office, USARPAC's participation in Salaknib 2026 continues an ongoing pattern of deepening US ground force engagement with the Philippine Army, with exercises growing progressively in scale, complexity, and the number of participating nations over successive years.
Philippine Army Leadership Acknowledges Troop Commitment
In the official release attributed to Colonel Dema-ala as the Philippine Army's Chief Public Affairs Officer, the Army's leadership extended commendation to the participating troops, recognizing their "resolve to improve their ability to work seamlessly together in various scenarios." The statement positioned the JPMRC-X exercise as a key element of the Philippine Army's institutional readiness program for 2026.
The Philippine Army has indicated that official documentation of the exercise — including photographs credited to the US Defense Visual Information Distribution Service (DVIDS) — has been made available through official channels, with the possibility of further updates to be released before the exercise concludes on May 20, 2026.
Exercise Timeline and Remaining Activities
With the JPMRC-X phase of Salaknib scheduled to run through May 20, 2026, all four participating nations' ground forces are expected to complete the full cycle of multi-domain operations training scenarios before the exercise formally concludes. As of the time of publication, the Philippine Army had not announced details regarding a formal closing ceremony or the schedule for any after-action review process at the end of the exercise period.
Fort Magsaysay is expected to remain the operational hub for all training activities throughout the remainder of the exercise window, with the Philippine Army's Public Affairs Office serving as the primary source for official updates and announcements related to Salaknib 2026.
Originally reported by: Philippine Army Public Affairs Office / US DVIDS