U.S. Secretary of Battle Pete Hegseth visited Rocket Lab and Divergent Applied sciences in California this week, underscoring the growing significance of superior manufacturing in protection and aerospace manufacturing. The stops had been a part of Hegseth’s Arsenal of Freedom tour, which highlights American corporations strengthening protection readiness via industrial innovation.
Throughout his go to to Rocket Lab’s Engine Growth Complicated in Lengthy Seashore, California, Hegseth reviewed the corporate’s propulsion and spacecraft manufacturing operations. Rocket Lab emphasised that “house superiority doesn’t begin on orbit – it begins on the manufacturing facility ground,” pointing to its funding in home manufacturing as a basis for nationwide safety. The corporate highlighted its capability to construct and ship rockets and spacecraft at a tempo and scale aligned with protection wants.
Since its founding, Rocket Lab has used additive manufacturing as a core a part of its propulsion technique, producing a big share of its rocket engine parts via steel 3D printing. The corporate’s Rutherford engine, which powers the Electron rocket, depends closely on additively manufactured components, together with the combustion chamber, injector, and turbopump parts, enabling speedy iteration and tight integration of advanced geometries. Rocket Lab prolonged this strategy with Archimedes, the bigger engine developed for its Neutron rocket, the place additive manufacturing is used to assist larger thrust necessities whereas decreasing half depend, manufacturing time, and price in contrast with typical manufacturing strategies.
In Los Angeles, Hegseth toured Divergent Applied sciences, which develops the DAPS modular additive manufacturing techniques for high-performance aerospace and protection parts. Divergent showcased the environment friendly and versatile design of its platform, which permits speedy manufacturing for next-generation techniques. The corporate described its strategy as delivering “actual functionality at velocity, at scale, and with the efficiency demanded by next-generation aerospace and protection techniques.”
The Pentagon has sharply elevated funding for additive manufacturing, viewing it as a transformative functionality for protection manufacturing. In fiscal 12 months 2024, the Division of Protection earmarked roughly $800 million for AM—a 166% rise over the earlier 12 months. That determine is predicted to develop to about $3.3 billion by fiscal 2026, in keeping with the division’s finances request. Although nonetheless a small share of the greater than $100 billion analysis, improvement, check, and analysis finances, the surge displays the navy’s curiosity in utilizing 3D printing to supply components on demand, ease provide chain bottlenecks, scale back international dependencies, and speed up design iteration.
Rocket Lab and Divergent have made additive manufacturing central to their operations, aligning their capabilities with the Battle Division’s broader modernization and industrial resilience objectives.


