US Military Demonstrates At-Sea Metal 3D Printing Capabilities

The recent demonstration of at-sea metal 3D printing by a joint US military, academic, and industry collaboration during the RIMPAC 2026 exercise aboard the Canadian support vessel, MV Asterix, marks a significant milestone in the field of advanced manufacturing technologies for military operations. This pioneering endeavor utilized SPEE3D's cold spray additive manufacturing system, enabling the production of mission-critical metal components directly at sea. The ability to manufacture essential parts on-site not only enhances operational readiness for naval forces but also addresses the logistical challenges that traditionally hinder timely repairs and maintenance.

RIMPAC, or the Rim of the Pacific Exercise, is a comprehensive biennial naval exercise that fosters collaboration among allied nations. The 2026 iteration saw participation from over 25,000 personnel across numerous allied and partner nations, showcasing the importance of interoperability in defense operations. During this exercise, military and academic entities came together to test and validate the applicability of Cold Spray Additive Manufacturing (CSAM) in diverse maritime environments—from tropical to battle-damage conditions. The US Army Combat Capability Development Command Army Research Laboratory (DEVCOM ARL) played a vital role in this initiative, leading the project alongside partnerships with the Consortium for Advanced Manufacturing Research and Education (CAMRE) and other esteemed institutions.

By conducting this test in a real-world operational environment, the military has validated CSAM as a useful and effective solution for on-demand production, reducing reliance on lengthy supply chains. The development implies that future military operations could incorporate this technology extensively to optimize supply chain logistics in the field. As Byron Kennedy, CEO of SPEE3D, stated, "Across our deployments, we have now proven Cold Spray Manufacturing in sub-zero, tropical, battle-damage, and at-sea conditions... SPEE3D works where supply chains fail." This comment encapsulates the core functionality of the technology: it enables defense forces to sustain themselves independently in challenging environments.

The procurement landscape is likely to shift with this technology's introduction into military operations. Procurement officials should closely observe the involvement of SPEE3D as a prime contractor and note the collaborative efforts with government organizations such as CAMRE and DEVCOM ARL. The success of this at-sea manufacturing initiative could lead to future contracting opportunities focused on the integration of advanced manufacturing technologies within military operations. Additionally, the interoperability demonstrated through this coalition effort signifies a potential expansion of multinational procurement and technology-sharing initiatives, thus diversifying the opportunities available to contractors within the defense sector.

Furthermore, the implications for research and development in manufacturing technology and capabilities at sea cannot be overstated. Organizations that provide support for naval sustainment and related manufacturing should assess how the incorporation of such technologies might influence their future contracts and requirements. With over 50 advanced manufacturing technologies deployed during RIMPAC 2026, including the SPEE3D Expeditionary Manufacturing Unit (EMU), this exercise serves as a blueprint for future engagements in defense logistics and sustainment. As military operations evolve, the need for innovative solutions like on-demand manufacturing will become increasingly paramount, paving the way for enhanced efficiency and readiness across various operational contexts.

• SPEE3D demonstrated the use of cold spray additive manufacturing aboard the MV Asterix during RIMPAC 2026.
• 32 metal parts were produced, with 24 made through a reachback capability and 8 at sea.
• This exercise demonstrated additive manufacturing in diverse conditions, enhancing the operational capabilities of the military.
• Procurement professionals should watch emerging opportunities as advanced manufacturing needs expand within defense contracts.
• This initiative significantly reduces dependency on conventional supply chains for maritime operations, proving the effectiveness of on-the-spot manufacturing.
• The collaboration involved multiple entities, including US Army, Tennessee Army National Guard, and academic institutions, suggesting a broad interest in advanced manufacturing for future contracts.
• Future RFPs may increasingly incorporate requirements for additive manufacturing technologies in naval operations.