Red River Military Systems, Inc., a Dallas, Texas based company, offers Ramjet propulsion for longer range missiles at a lower cost. The company exclusively offers the Grossi Aerospace Statically-Operated Ejector Ramjet (SOERJ) as a breakthrough technology that is a unique propulsion system for Army missiles. This air-breathing, liquid-fueled Ramjet propulsion technology replaces solid-fuel rockets to achieve extra-long-range precision fires.