Shipboard Additive Manufacturing Proves Point-of-Need Printing at Sea

Shipboard additive manufacturing just moved from concept slides into rough water. During transit to RIMPAC 2026, Firestorm Labs printed more than 1,000 components and assembled 12 Squall FPV drones aboard USS Essex — while operating through sea state 5. For shops and teams that already think in fixtures and spare parts, the signal is clear: point-of-need 3D printing is becoming an operational logistics tool, not a trade-show prop.

What's Happening

According to Interesting Engineering’s report on Firestorm’s USS Essex deployment, the company’s containerized xCell platform spent about two weeks aboard the amphibious assault ship sailing from San Diego to Hawaii for Rim of the Pacific 2026. Defense Daily separately noted that RIMPAC was the first maritime use of xCell, installed as part of a larger networked advanced manufacturing exercise.

Firestorm produced three hardware buckets: mechanical test pieces, Squall drone components, and repair items requested by the crew. More than 20 sailor-requested parts shipped from the cell, including deck tie-down inspection gauges, reverse-engineered valve handwheels, electrical covers, cable hardware, door components, a Starlink deployment mount, and a nonconductive digging knife for explosive ordnance disposal teams. Operations continued with waves reported around 12 feet.

One high-visibility print was an Apache rotor guard droop stop built during the first Army-Navy Apache operations conducted at sea. Firestorm said an Apache main rotor costs about $500,000, with blade-strike damage potentially costing roughly $230,000 per blade across four blades. The team also turned a sailor’s idea into vacuum adapters for inflatable Life Preserving Units when no suitable connector was known to exist. Twelve Squall FPV drones assembled underway later flew at RIMPAC; Marines from the 3rd Light Armored Reconnaissance Battalion used them as adversary aircraft in a counter-UAS exercise on Oahu. The effort was organized through the Naval Postgraduate School’s CAMRE network and facilitated by FLEETWERX.

Why This Matters for Shops, Labs, and Distributed Teams

Most small manufacturers will never print drones on a warship. They will recognize the logistics pattern: the expensive failure is often a missing adapter, gauge, or fixture — not the airframe. Shipboard additive manufacturing compresses that loop by putting design, print, and fit-check next to the people who need the part.

That same loop already shows up in civilian shops. A reverse-engineered handwheel, a custom vacuum adapter, or a one-off mount is exactly the kind of work desktop polymer systems handle when CAD files and material choice are under control. The military demo raises the stakes — sea motion, training at scale, networked production — but the skill stack is familiar: model the need, print, iterate, document.

What changes for readers is urgency. When resupply is slow or contested, printed polymer tooling and expendables stop being “nice to have.” They become how you keep a system online. Point-of-need 3D printing is the name for that habit, whether the floor is steel deck plate or a garage epoxy.

What Point-of-Need Printing Actually Delivers

• Repair items on demand. Crew-requested gauges, covers, and handwheels show how AM fills gaps when catalogs fail.
• Protective tooling under load. The Apache droop stop is a reminder that a small polymer fixture can protect a six-figure rotor system.
• Expendable regeneration. Assembling FPV drones underway signals that some capacity is meant to be remade, not warehoused forever.
• Training as logistics. Soldiers, sailors, and Marines learned AM, assembly, and flight — capability that travels with the crew.
• Networked nodes. RIMPAC’s wider CAMRE/JAMS framing points to manufacturing requests assigned across ships, not one isolated printer.
• Honest limits. Motion, materials qualification, and certification still bound what can fly or sail as flight-critical hardware.

What the Research Says

Kostidi and Nikitakos (2024) used system dynamics simulation to compare traditional and AM-integrated marine spare-parts supply chains. Their case study found that strategic additive manufacturing integration can reduce cost and improve delivery times for high- and low-value spares — especially relevant in remote maritime environments where stockouts are expensive. That modeling result lines up with Firestorm’s operational pitch: print closer to the failure instead of waiting on a convoy.

Sözen and Neşer (2025) published a systematic scoping review of additive manufacturing in the marine industry and noted that AM remains comparatively understudied there — roughly 5% of AM-related publications touch marine applications — while classification societies and approval bodies still lag adoption. Their review frames marine AM as promising but still needing materials guidance, quality methods, and classification rules. Shipboard demos like xCell on Essex are exactly the kind of field evidence those frameworks will need.

Frequently Asked Questions

What is shipboard additive manufacturing?

Shipboard additive manufacturing means producing parts aboard a vessel instead of waiting for shore-based resupply. Crews use deployable printers to make repair items, fixtures, and in some demos drone components while underway. The goal is shorter downtime when logistics lanes are long or contested — not replacing every warehouse part overnight.

How does point-of-need 3D printing help maritime logistics?

Point-of-need 3D printing moves fabrication closer to where the failure happens, so a missing handwheel or adapter does not force a multi-day diversion. Simulation work on marine spare-parts supply chains shows additive manufacturing can cut cost and delivery time when strategically integrated, especially for high-value or hard-to-stock items in remote operations.

Can desktop continuous fiber printers do shipboard drone production?

No. Expeditionary containerized cells and certified defense workflows are a different class from desktop continuous-fiber machines. Desktop systems are useful for shop fixtures, jigs, and training on design-to-print habits. Treat Firestorm-class demos as proof that distributed polymer production works — not as a shopping list for a garage to build FPV fleets.

Fibricate's Place in This Story

Firestorm’s xCell run is about expeditionary polymer production under motion — not about desktop continuous fiber printing drones at home. The transferable lesson for shops is fixture and spare-parts literacy: model the broken interface, print a usable bridge, validate fit. Companies like Fibricate, whose FibreSeeker 3 continuous carbon fiber 3D printer co-extrudes continuous fiber on the desktop, sit in that civilian tooling lane when fixtures need directional strength beyond standard FFF.

Pairing those jobs with a continuous carbon fiber spool is how small teams practice the same point-of-need mindset for jigs and load-bearing shop aids — while leaving flight hardware and shipboard qualification to the programs built for that environment.

What to Watch Next

Watch how RIMPAC-style networked manufacturing — request, assign, print, deliver — shows up in after-action reports and in civilian distributed manufacturing networks. Also watch materials and classification progress: marine AM reviews still flag approval gaps as a bottleneck even when printers work at sea.

Over the next 12–24 months, expect more demos that mix repair parts, protective tooling, and expendable regeneration in one deployment. Shipboard additive manufacturing will keep proving the logistics thesis. The open question is how fast standards catch up so more of those printed parts can leave the demo category and enter routine sustainment.

References & Further Reading

1. Kostidi, E., & Nikitakos, N. (2024). Revolutionizing the Marine Spare Parts Supply Chain through Additive Manufacturing: A System Dynamics Simulation Case Study. Journal of Marine Science and Engineering.
2. Sözen, A., & Neşer, G. (2025). A Critical Systematic Scoping Review on the Applications of Additive Manufacturing (AM) in the Marine Industry. Polymers.
3. Firestorm Labs prints 1,000 parts, 12 drones aboard US Navy warship. Interesting Engineering. Retrieved August 6, 2026.