# Green Launch

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American aerospace company

**Green Launch** is an American aerospace company developing alternative space launch technologies based on ground-based "impulse launchers" designed to reduce the cost of sending payloads into orbit. The company focuses on replacing the first stage of traditional rockets with [hydrogen](/source/Hydrogen)-powered light-gas [launch systems](/source/Launch_system) that accelerate payloads from the ground before a secondary propulsion stage places them into orbit.[1][2][3][4]

## History

Green Launch targets small, acceleration-tolerant payloads such as [CubeSats](/source/CubeSat) and aims to provide low-cost and rapid launch services, including suborbital missions for hypersonic testing and atmospheric research.[5][1] The concept builds on technologies previously developed in NASA and U.S. Air Force testing facilities over several decades.[5]

In December 2021, the company conducted a test of a vertical hydrogen light-gas launcher at [Yuma Proving Ground](/source/Yuma_Proving_Ground), accelerating a projectile to speeds exceeding Mach 3 as a proof of concept for future space launch applications.[6]

Green Launch plans to scale this technology toward reaching the [Karman line](/source/Karman_line) and eventually enabling orbital delivery of small payloads.[7][8]

## See also

- [Space gun](/source/Space_gun)

- [Light-gas gun](/source/Light-gas_gun)

- [Project Babylon](/source/Project_Babylon)

- [Project HARP](/source/Project_HARP)

- [Quicklaunch](/source/Quicklaunch)

- [Super High Altitude Research Project](/source/Super_High_Altitude_Research_Project)

## References

1. ^ [***a***](#cite_ref-auto4_1-0) [***b***](#cite_ref-auto4_1-1) ["Green Launch"](https://newspacetracker.com/company/green-launch/). *New Space Tracker*.

1. **[^](#cite_ref-auto_2-0)** ["Hypersonic Launch Featuring Propellant Capture with Suppressed Acoustic and Heat Signature - Create the Future"](https://contest.techbriefs.com/2025/entries/aerospace-and-defense/13377-0505-152518-hypersonic-launch-featuring-propellant-capture-with-suppressed-acoustic-and-heat-signature). *contest.techbriefs.com*.

1. **[^](#cite_ref-3)** ["Green Launch запустит спутники на орбиту при помощи гиперзвуковой пушки"](https://hightech.fm/2022/04/16/green-launch).

1. **[^](#cite_ref-4)** Blain, Loz (April 14, 2022). ["Hypersonic space cannon promises 10 minutes from ground to orbit"](https://newatlas.com/space/greenlaunch-space-cannon-gas-launch/). *New Atlas*.

1. ^ [***a***](#cite_ref-auto3_5-0) [***b***](#cite_ref-auto3_5-1) ["Home - Green Launch"](https://greenlaunch.space/).

1. **[^](#cite_ref-6)** ["U.S. Army Yuma Proving Ground helps private industry customer reach new heights"](https://www.army.mil/article/253661/u_s_army_yuma_proving_ground_helps_private_industry_customer_reach_new_heights). *www.army.mil*. February 1, 2022.

1. **[^](#cite_ref-7)** ["Phases - Green Launch"](https://greenlaunch.space/phases/). November 24, 2016.

1. **[^](#cite_ref-8)** [https://www.hou.usra.edu/meetings/tenthmars2024/pdf/3013.pdf](https://www.hou.usra.edu/meetings/tenthmars2024/pdf/3013.pdf)

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