Hydrogen Gas Propulsion: Clean, Recyclable Solutions

Explore how Green Launch uses hydrogen-based light-gas propulsion to deliver cleaner, lower-cost launch solutions for research, testing, and orbital payload missions. Built around recyclable propellant systems and water-vapor byproducts, this approach supports high-velocity performance while reducing the environmental burden associated with conventional launch methods.

Hydrogen propulsion launch system in operation

Our Hydrogen Gas Propulsion Services

Advanced hydrogen propulsion applications for testing, research, sub-orbital missions, and orbital payload delivery.

Orbital Delivery

Deliver satellites, supplies, and propellant to Low Earth Orbit using hydrogen cannon technology designed for rapid launches, lower costs, and water-vapor-only byproducts.

Sub-Orbital Launches

Support sub-orbital payload delivery and atmospheric missions with high-speed launch capability suited for research, sampling, and technology demonstration programs.

Atmospheric Sampling

Enable mesospheric and ionospheric sampling missions with specialized vehicles built for scientific data collection, communications research, and high-altitude instrumentation deployment.

Horizontal Test Firing

Validate propulsion performance through controlled horizontal test firing programs that measure gas pressures, vehicle weights, and resulting launch velocities.

Hypersonic Testing

Provide hypersonic vehicle testing using proven light-gas propulsion systems that have supported scramjet launches at velocities up to Mach 9.

Propulsion R&D Support

Assist aerospace and research organizations with hydrogen propulsion development, data gathering, and mission-specific launch testing for emerging applications.

Sustainable Space Access

Cleaner Launch Performance With Hydrogen

Green Launch develops hydrogen gas propulsion systems that combine high-velocity performance with a cleaner operational profile. Using hydrogen and oxygen gas propellant, the system produces water vapor as its primary byproduct while supporting sub-orbital, testing, and orbital delivery missions. For aerospace, defense, and research organizations, this means a more sustainable path to rapid launch capability, lower delivery costs, and scalable mission support.

Engineers reviewing hydrogen propulsion launch equipment
Proven In Testing

Mission Milestones

From horizontal firings to vertical launches, Green Launch has demonstrated measurable propulsion progress.

"Green Launch's Satellite and Supply Delivery to Orbit service transformed our launch strategy. Their $100/lb pricing is competitive, and achieving Mach 9 velocities with their light-gas system exceeded our payload expectations."

Marcus Chen

"We struggled with mesosphere data gaps until Green Launch's Atmospheric Sampling service. Their specialized fiberglass vehicle design and precision engineering solved our altitude access challenge perfectly."

Dr. Sarah Mitchell

"hydrogen gas propulsion has revolutionized how we approach space access. Green Launch's eco-friendly hydrogen and oxygen propellant eliminates carbon emissions while delivering satellites affordably to orbit."

James Patterson

"Green Launch's Hypersonic Vehicle Testing broke industry records—achieving Mach 8 with scramjets surpassed our previous Mach 5.5 benchmark. Their turnaround from test conception to execution was remarkably fast."

Colonel Robert Finney

"Their Horizontal Test Firing service at Yuma Proving Ground delivered exceptional value. Testing 12 consecutive shots with comprehensive pressure and velocity data gave us confidence in their methodology and precision."

Dr. Kenneth Patel

"Green Launch's partnership approach and deep expertise in light-gas propulsion have made them invaluable. Working with Dr. Hunter's team for three consecutive test series has built tremendous trust."

Victoria Lopez

"The precision gas injection scheme in their hydrogen gas propulsion system prevents detonation risks and delivers over 91% propellant capture efficiency. Their technical mastery is unmatched in the industry."

Thomas Bergström

"As an aerospace competitor, Green Launch's Sub-Orbital Payload Delivery capability fundamentally shifts market dynamics. Their 10-minute orbit insertion and 60-90 minute launch cadence redefine cost-effective space access standards."

David Zimmerman

"Green Launch's Satellite and Supply Delivery to Orbit service transformed our launch strategy. Their $100/lb pricing is competitive, and achieving Mach 9 velocities with their light-gas system exceeded our payload expectations."

Marcus Chen

"We struggled with mesosphere data gaps until Green Launch's Atmospheric Sampling service. Their specialized fiberglass vehicle design and precision engineering solved our altitude access challenge perfectly."

Dr. Sarah Mitchell

"hydrogen gas propulsion has revolutionized how we approach space access. Green Launch's eco-friendly hydrogen and oxygen propellant eliminates carbon emissions while delivering satellites affordably to orbit."

James Patterson

"Green Launch's Hypersonic Vehicle Testing broke industry records—achieving Mach 8 with scramjets surpassed our previous Mach 5.5 benchmark. Their turnaround from test conception to execution was remarkably fast."

Colonel Robert Finney

"Their Horizontal Test Firing service at Yuma Proving Ground delivered exceptional value. Testing 12 consecutive shots with comprehensive pressure and velocity data gave us confidence in their methodology and precision."

Dr. Kenneth Patel

"Green Launch's partnership approach and deep expertise in light-gas propulsion have made them invaluable. Working with Dr. Hunter's team for three consecutive test series has built tremendous trust."

Victoria Lopez

"The precision gas injection scheme in their hydrogen gas propulsion system prevents detonation risks and delivers over 91% propellant capture efficiency. Their technical mastery is unmatched in the industry."

Thomas Bergström

"As an aerospace competitor, Green Launch's Sub-Orbital Payload Delivery capability fundamentally shifts market dynamics. Their 10-minute orbit insertion and 60-90 minute launch cadence redefine cost-effective space access standards."

David Zimmerman

"Green Launch's Satellite and Supply Delivery to Orbit service transformed our launch strategy. Their $100/lb pricing is competitive, and achieving Mach 9 velocities with their light-gas system exceeded our payload expectations."

Marcus Chen

"We struggled with mesosphere data gaps until Green Launch's Atmospheric Sampling service. Their specialized fiberglass vehicle design and precision engineering solved our altitude access challenge perfectly."

Dr. Sarah Mitchell

"hydrogen gas propulsion has revolutionized how we approach space access. Green Launch's eco-friendly hydrogen and oxygen propellant eliminates carbon emissions while delivering satellites affordably to orbit."

James Patterson

"Green Launch's Hypersonic Vehicle Testing broke industry records—achieving Mach 8 with scramjets surpassed our previous Mach 5.5 benchmark. Their turnaround from test conception to execution was remarkably fast."

Colonel Robert Finney

"Their Horizontal Test Firing service at Yuma Proving Ground delivered exceptional value. Testing 12 consecutive shots with comprehensive pressure and velocity data gave us confidence in their methodology and precision."

Dr. Kenneth Patel

"Green Launch's partnership approach and deep expertise in light-gas propulsion have made them invaluable. Working with Dr. Hunter's team for three consecutive test series has built tremendous trust."

Victoria Lopez

"The precision gas injection scheme in their hydrogen gas propulsion system prevents detonation risks and delivers over 91% propellant capture efficiency. Their technical mastery is unmatched in the industry."

Thomas Bergström

"As an aerospace competitor, Green Launch's Sub-Orbital Payload Delivery capability fundamentally shifts market dynamics. Their 10-minute orbit insertion and 60-90 minute launch cadence redefine cost-effective space access standards."

David Zimmerman
The Green Launch Difference

Why Choose Green Launch?

Green Launch offers a distinct approach to sustainable, high-speed payload delivery and propulsion testing.

Clean Propulsion

Hydrogen and oxygen propellant supports launch operations with water vapor as the primary byproduct.

High Velocity

Demonstrated launch speeds up to Mach 9 for advanced testing and future delivery applications.

Cost Efficiency

Designed to reduce launch costs compared with conventional rocket-based delivery models.

Technical Leadership

Led by experienced physicists and aerospace specialists with proven propulsion testing backgrounds.

Meet The Green Launch Team

Experienced leaders advancing sustainable propulsion technology.

Dr. John W. Hunter headshot

Dr. John W. Hunter

Chief Technical Officer

Dr. John W. Hunter serves as Chief Technical Officer at Green Launch and brings deep expertise in high-velocity propulsion systems. A physicist by training, he previously led the SHARP project at Lawrence Livermore National Laboratory, giving him a strong foundation in advanced launch and acceleration technologies. At Green Launch, he helps guide the technical development of hydrogen-based light-gas propulsion for testing, sub-orbital missions, and future orbital delivery. His background supports the company's focus on combining measurable performance with cleaner launch methods. Dr. Hunter's leadership is central to refining propulsion architecture, validating test results, and advancing practical alternatives to traditional rocket systems for aerospace, defense, and scientific customers.

Eric Robinson headshot

Eric Robinson

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 fluid delivery systems relevant to advanced propulsion environments, helping connect technical capability with real-world mission needs. At Green Launch, he supports partnerships, customer engagement, and market development across aerospace, defense, and research sectors. Robinson plays an important role in communicating how hydrogen gas propulsion can improve access to sub-orbital testing, atmospheric sampling, and orbital delivery. His work helps align Green Launch's engineering progress with customer priorities, ensuring the company's sustainable launch technology is positioned to serve organizations seeking cleaner, faster, and more cost-effective payload solutions.

Don Whitney headshot

Don Whitney

Chairman of the Board

Don Whitney serves as Chairman of the Board at Green Launch, bringing valuable operational and strategic perspective to the company. His background as an Air Force pilot and environmental consultant supports Green Launch's mission to build a more sustainable model for high-speed launch services. Whitney contributes insight into mission planning, organizational leadership, and the practical demands of aerospace operations. His experience helps the company balance technical ambition with disciplined execution, especially as it expands hydrogen propulsion applications for testing, research, and payload delivery. By combining aviation experience with environmental awareness, he reinforces Green Launch's commitment to cleaner propulsion methods and responsible innovation in the evolving space access market.

Frequently Asked Questions

What is hydrogen propulsion?

Hydrogen propulsion uses hydrogen as part of the energy or propellant system that generates thrust. In Green Launch's case, hydrogen and oxygen gas are used in a light-gas propulsion approach to accelerate payloads at very high speeds. A key advantage is that the primary byproduct is water vapor, making it a cleaner alternative to many conventional launch methods.

Which country is leading in hydrogen?

How is Green Launch's hydrogen gas propulsion different from traditional rockets?

What types of payloads can hydrogen propulsion support?

Is hydrogen propulsion environmentally friendly?

How fast can Green Launch's propulsion system go?

Who can benefit from hydrogen gas propulsion services?

What should organizations evaluate before choosing a hydrogen propulsion provider?

Still Have Questions About Hydrogen Propulsion?

Speak with Green Launch about mission goals and technical requirements.

Trusted Innovation

Awards and Recognition

Founded in 2017 trust badge

Founded in 2017

Years of focused propulsion development.

Proven test program badge

Proven Test Program

Successful horizontal and vertical launch milestones.

Sustainable launch focus badge

Sustainable Launch Focus

Cleaner propulsion with water-vapor byproducts.

Discuss Your Hydrogen Propulsion Mission

Share your payload, testing, or research goals and Green Launch will help outline the right propulsion solution.

Contact Us Today

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