Hypersonic Testing
Validate hypersonic vehicles and propulsion concepts with high-velocity launch testing informed by successful scramjet launches reaching up to Mach 9.
Explore advanced launch solutions built for research, defense, and commercial payload missions. Green Launch combines light-gas propulsion, high-velocity testing, and sustainable launch concepts to support hypersonic programs, atmospheric science, and rapid space access with a practical alternative to conventional rocket systems.
Advanced launch, testing, and payload delivery solutions for aerospace, defense, and scientific missions.
Validate hypersonic vehicles and propulsion concepts with high-velocity launch testing informed by successful scramjet launches reaching up to Mach 9.
Send payloads to the stratosphere and beyond using light-gas launch technology designed for rapid, lower-cost sub-orbital mission profiles.
Support scientific research with specialized vehicles designed to collect data in the mesosphere, ionosphere, and other hard-to-access regions.
Conduct controlled field testing with variable gas pressures, vehicle weights, and velocity targets to refine launch performance and data collection.
Advance low-cost satellite and supply delivery concepts for Low Earth Orbit with rapid launch cycles and sustainable propulsion methods.
Evaluate light-gas propulsion performance, pressure profiles, and launch dynamics through repeatable testing for mission-specific applications.
Green Launch develops impulse-accelerated systems that help organizations test vehicles, deliver payloads, and gather high-altitude data with greater speed and lower projected cost. Its proprietary light-gas propulsion approach supports hypersonic research, sub-orbital missions, and future orbital delivery while reducing emissions through hydrogen and oxygen propellants whose primary byproduct is water vapor.
Built on successful test campaigns, record-setting velocities, and advancing launch applications.
Green Launch offers a differentiated approach to high-speed launch and payload delivery.
Uses proprietary light-gas propulsion engineered for high-velocity launch and mission-specific payload applications.
Designed to reduce launch costs compared with traditional rocket-based access and testing methods.
Hydrogen and oxygen propellants support cleaner launches with water vapor as the primary byproduct.
Backed by successful firing campaigns and demonstrated high-speed performance in real-world test environments.
Experienced leaders driving advanced launch innovation.
Chief Technical Officer
Dr. John W. Hunter serves as Chief Technical Officer at Green Launch and brings deep expertise in physics and high-velocity propulsion systems. He is widely recognized for his work leading the SHARP project at Lawrence Livermore National Laboratory, giving him a strong foundation in advanced launch concepts and extreme-speed testing. At Green Launch, he helps guide the technical development of light-gas propulsion systems for hypersonic testing, sub-orbital payload delivery, and future orbital applications. His background supports the company's focus on practical, lower-cost alternatives to conventional launch methods. Dr. Hunter's leadership is central to translating complex propulsion science into scalable aerospace solutions for research, defense, and commercial customers.
Strategic Outreach
Eric Robinson leads Strategic Outreach for Green Launch and contributes a blend of systems science, entrepreneurship, and aerospace application knowledge. His experience includes expertise in fluid delivery systems, an important capability for advanced propulsion and launch infrastructure. At Green Launch, he helps connect the company's technical capabilities with the needs of aerospace, defense, and scientific research organizations seeking new ways to test vehicles, deliver payloads, and access high-altitude environments. He plays a key role in communicating the value of sustainable light-gas launch technology to prospective partners and stakeholders. His work supports business development, mission alignment, and long-term growth as Green Launch expands its role in next-generation launch services.
Chairman of the Board
Don Whitney serves as Chairman of the Board at Green Launch and brings valuable operational perspective from his background as an Air Force pilot and environmental consultant. His experience supports the company's planning, oversight, and strategic direction as it advances sustainable alternatives to traditional rocket launches. With insight into both mission operations and environmental considerations, he helps Green Launch balance technical ambition with practical execution. His leadership contributes to the company's focus on safe testing, disciplined program development, and responsible innovation in launch technology. Don Whitney's role strengthens Green Launch's ability to serve organizations that require dependable, forward-looking solutions for hypersonic testing, atmospheric research, and future orbital delivery missions.
In physics, impulse is commonly discussed in relation to force applied over time, momentum change, and impact response in dynamic systems. In an aerospace context, teams often evaluate impulse through propulsion events, pressure-driven acceleration, and resulting velocity changes. For launch applications, the practical focus is how controlled impulse transfers energy efficiently to a payload or test vehicle.
Speak with our team about testing, payloads, and launch planning.
Years of focused launch technology development.
Demonstrated extreme high-velocity launch capability.
First vertical light-gas launch achieved.
Share your testing goals, payload requirements, or research objectives, and our team will help determine the right launch approach.
For immediate assistance, feel free to give us a direct call at 619-933-6678. You can also send us a quick email at jwhunter2004@yahoo.com
For immediate assistance, feel free to give us a direct call at 619-933-6678. You can also send us a quick email at jwhunter2004@yahoo.com