Long Wall

Long Wall develops containerized, mass-producible missile defense systems and rapid, low-cost flight testing vehicles for the United States and allied nations. The company's Cyclops interceptor is a surface-launched exoatmospheric kill vehicle designed to defeat advanced missile threats in midcourse flight. RSX provides low-cost liquid-fueled boosters for flight testing and threat replication. Ironwood is a modular ground support equipment system with integrated command and control, power, and communications, deployable globally in shipping containers. Building on seven years of rocket development at ABL Space Systems, Long Wall leverages proven propulsion technology, manufacturing infrastructure, and flight operations experience. The company was founded in 2017, raised over $479 million under its former identity, and rebranded in February 2025 after pivoting from commercial small-satellite launch to missile defense. Headquartered in Long Beach, California, with facilities in El Segundo and Mojave.