L3Harris Technologies (NYSE: LHX) has successfully completed a critical hot-fire test of its stage two advanced large solid rocket motor (SRM) for the Missile Defense Agency’s Next Generation Interceptor (NGI). Conducted as part of the Lockheed Martin team’s broader initiative to strengthen U.S. homeland missile defense, the test validates the propulsion system’s design integrity and performance characteristics. The successful ignition and full-duration burn provide essential data for analysis before advanced testing scheduled later this year, marking a significant milestone in the development of the nation’s next-generation defense capabilities.

The test was executed in a simulated high-altitude, vacuum environment to evaluate system performance under conditions representative of the upper layers of Earth’s atmosphere. This rigorous testing protocol ensures that the SRM can operate effectively during actual interception scenarios. Scott Alexander, President of Propulsion Systems at Missile Solutions for L3Harris, emphasized the strategic importance of the program, stating that NGI is critical to U.S. security and will serve as a cornerstone of homeland missile defense once deployed.

L3Harris serves as the primary propulsion and control systems provider for the NGI program. The company is responsible for producing both the stage one and stage two advanced large solid rocket motors that boost the missile. Additionally, L3Harris manufactures the Attitude Control System (ACS) and Divert and Attitude Control System (DACS), which enable the precise maneuvering and engagement capabilities required to intercept advanced threats. These systems work in concert to ensure the interceptor can accurately target and neutralize incoming missiles.

Manufacturing Footprint

L3Harris leverages a distributed industrial base to deliver resilient, mission-ready capabilities for the NGI program. The company manufactures ACS and DACS components in facilities located in California and Virginia. Meanwhile, the advanced large solid rocket motors are produced in Alabama and Arkansas. This geographic diversification supports supply chain resilience and ensures consistent production capacity for mission-critical defense systems.

The successful hot-fire test demonstrates L3Harris’ commitment to delivering dependable, high-performance propulsion systems. The company stated it will continue to execute on its responsibilities to support NGI’s first flight test. As the Trusted Disruptor in defense technology, L3Harris focuses on meeting customers’ mission-critical needs by delivering end-to-end technology solutions that connect space, air, land, sea, and cyber domains in the interest of national security.

AE Industrial Partners has finalized its acquisition of L3Harris Technologies’ commercial space propulsion, power, and electronics businesses for an enterprise value of $845 million, officially launching the entity as Rocketdyne. The transaction establishes Rocketdyne as an independent company led by Kristin Houston, who joins as Chief Executive Officer. This move restructures the space sector’s supply chain by separating commercial operations from L3Harris’ core defense portfolio while retaining a strategic partnership between the two firms.

Houston, an aerospace veteran with over 16 years at Boeing and previous leadership roles at L3Harris, will oversee the company’s more than 1,300 employees across five U.S. locations. AE Industrial Partners, which manages approximately $9.0 billion in assets under management as of March 31, 2026, views the acquisition as a critical investment in national security infrastructure. The firm stated that Rocketdyne’s agility as a standalone entity will allow it to better serve customers and pursue new opportunities in the rapidly expanding space industry.

Transaction and Leadership Details

The deal structure allows L3Harris to retain a minority stake in Rocketdyne, ensuring continued alignment with the commercial space sector. Notably, L3Harris’ RS-25 rocket engine operations were excluded from the sale, remaining under direct parent company control due to their national security sensitivity. AE Industrial’s Jon Lusczakoski emphasized that the investment aims to scale Rocketdyne’s core businesses, driving the next generation of space mobility and electronics.

Strategic Investment Focus

AE Industrial plans to direct capital toward upgrading the technology and manufacturing of the RL10 rocket engine, ramping up production of in-space propulsion thrusters, and advancing nuclear power solutions for space applications. Kirk Konert, Managing Partner at AE Industrial, described space as a critical domain in national security architecture, positioning Rocketdyne as a vital pillar for future technology needs. The company leverages more than 60 years of flight heritage, having developed some of the first U.S. rocket engines and propelled the fastest human-made object ever built.

What the Numbers Show

The retention of a minority stake by L3Harris alongside the explicit exclusion of the RS-25 engine program highlights a clear delineation between commercial growth opportunities and sensitive government-contracted assets. The $845 million valuation serves as a benchmark for non-core space infrastructure, while the appointment of Houston signals a focus on operational scaling rather than mere financial holding. With record government investment in space driving market demand, Rocketdyne’s independence is designed to accelerate innovation in propulsion and nuclear energy systems without the bureaucratic constraints of a larger defense conglomerate.