The US Army is merging the 7th Infantry Division with the 1st Multi-Domain Task Force to create a new Multi-Domain Command-Pacific, a two-star headquarters designed to integrate maneuver forces with long-range fires and cyber capabilities. The new command will absorb the 7th ID's Stryker infantry brigades and a combat aviation brigade into a single formation.

This reorganization reflects the Army's shift toward multi-domain operations, blending traditional infantry and aviation assets with the MDTF's specialized units that can strike enemy anti-access systems and jam communications. The merger is intended to improve coordination between ground forces and emerging capabilities like hypersonic missiles and electronic warfare.

The move positions the Army to better support joint operations across the Indo-Pacific, where vast distances and island chains require distributed, resilient forces. Allies such as Japan and Australia have been expanding similar multi-domain concepts, though the US command structure remains distinct.

The Pentagon has not disclosed the cost or timeline for the merger, but it follows years of experimentation with MDTFs, which are now being embedded with division-level commands. The 1st MDTF, based at Joint Base Lewis-McChord, has already participated in exercises in the Pacific.

Critics argue the merger could overburden commanders tasked with both traditional infantry warfighting and highly technical multi-domain operations, potentially diluting expertise in each. The Pentagon has not yet named the commander or released details on how the Stryker brigades will train for these new roles.