During the 2026 U.S.-Philippines 'Balikatan' joint exercise, the U.S. Indo-Pacific Command's 'Forge' expeditionary manufacturing unit completed 36 on-site fabrication tasks over three weeks at a warehouse facility in Fort Magsaysay, Philippines, producing urgently needed replacement parts for weapons, vehicles, and field equipment. This effort saved approximately $23,000 in part procurement costs and avoided months-long supply chain delays. By integrating 3D printing, 3D scanning, and precision machining, the team reduced manufacturing lead times for parts such as bolts from the traditional 8–10 weeks to just hours. For example, they designed a custom adapter for the M250 machine gun to repair a malfunctioning bipod and generated complete digital design files for legacy Philippine military weapons. This case clearly demonstrates that the deep integration of metal 3D printing and reverse engineering can significantly compress expeditionary logistics response times. Traditionally, metal powders have been used for pre-manufacturing spare parts, but current applications are shifting toward a new paradigm of rapid reverse engineering. In the bolt replacement example, the team scanned the original bolt, 3D-printed a near-net-shape part, and finished it with machining—a process that imposes higher demands on powder material processability and compatibility with quick adaptation workflows. From an application perspective, the unit's practices—such as customizing adapters for the M250 machine gun and creating digital models for aging Philippine military weapons—prove that mobile 3D printing capabilities can effectively address equipment compatibility and spare part shortages in battlefield environments. Looking ahead, key areas to monitor include the expeditionary manufacturing unit's changing procurement requirements for high-flowability metal powders, as well as how the U.S. military systematically integrates reverse scanning and additive manufacturing to support on-site maintenance and rapid repair of equipment across air, land, and sea forces.