Innovation Meets Fieldcraft At JPMRC 27-01
by U.S. Army Capt. Eric-James Estrada
November 13, 2026

The Pacific jungle can be unforgiving. Thick canopy, extreme humidity, sporadic rainfall, and rugged terrain can block communications signals and challenge formations. In this environment, technology alone does not win fights, disciplined Soldiers do.

However, when the right innovations are placed into the hands of those Soldiers ... it significantly improves both their capability and survivability.

During the reception, staging, and onward integration phase of Joint Pacific Multinational Readiness Center (JPMRC) Rotation 27-01, Soldiers of the 2nd Mobile Brigade, 25th Infantry Division, are continuing to integrate advanced technologies into their tactical formations to create a highly effective combination of combat power.

Over the past year, the 25th Infantry Division has integrated and improved its modern command-and-control systems. The Lightning Surge exercise series continues to lay the foundation for next-generation command and control to ensure operational effectiveness. The Division moved these systems from controlled settings to challenging environments, with thorough field testing from Hawaii to the Philippines.

Recently, a 3rd Mobile Brigade test platoon tested the same systems early in Lightning Surge 6, confirming that the mesh networks and rugged end-user devices the 2nd Mobile Brigade now uses are fully operational for combat.

"The feedback from the 3rd Mobile Brigade test element was absolutely vital," said Maj. Brenden Siekman, Lighting Surge 6 lead planner for the 25th Infantry Division. "We were able to ensure the equipment was fully validated before scaling it to the 2nd Mobile Brigade for the JPMRC fight.”

During JPMRC 27-01, the Soldiers of 2nd Mobile Brigade will use advanced tools, which include ruggedized end-user devices, tactical unmanned aerial systems (UAS), and resilient mesh networks, to support the close battle. Rather than operating in isolated silos, these systems feed into a common data layer, providing leaders at every echelon with a synchronized, real-time operating picture.

"Having this capability changes how we operate in the jungle," said 1st Lt. Anton Lieb, the company executive officer for bravo Company, 1st battalion-21st Infantry Regiment, 2nd Mobile Brigade. "Our operating picture is faster and we’re able to communicate faster and clearer without giving away our position. It directly improves our survivability and operational effectiveness on the ground."

This integration is part of how the Army is evolving and adapting to contemporary challenges in the Indo-Pacific. By converging sensors, shooters, and command applications into a unified, resilient ecosystem, this architecture enables commanders to make decisions at speed and scale.

Ultimately, JPMRC 27-01 reaffirms that modernization is only effective when it directly supports the warfighter. Technology strengthens combat power only when it is seamlessly integrated with disciplined Soldiers, sound fieldcraft, and effective small-unit leadership.

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The Joint Pacific Multinational Readiness Center is U.S. Army Pacific’s premier regional Combat Training Center. Operating across the Hawaiian Islands, Alaska, and exportable locations throughout the Indo-Pacific, JPMRC provides realistic, live, virtual, and constructive training in complex archipelagic, jungle, and arctic environments. The center generates combat-credible forces, validates multi-domain readiness, and deepens interoperability with Joint forces, allies, and multinational partners to uphold a free and open Indo-Pacific.

The  25th Infantry Division, "Tropic Lightning," is America's Pacific Division, headquartered at Schofield Barracks, Hawaii. As the premier land force in the Pacific, the 25th ID provides combat-ready forces capable of conducting decisive operations across the Indo-Pacific. Through rigorous training and close partnerships with allies and the Joint Force, the division remains committed to warfighting excellence, regional stability, and being a responsible steward of the ... ‘āina ... and our local communities across the State of Hawaii.

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