Impulse Space Raises $500M in Series D Funding to Expand Space Transportation Operations

Impulse Space, a California-based space transportation company, has raised $500 million in a Series D funding round to expand its manufacturing capabilities and increase production of its orbital mobility systems.

The round was co-led by 137 Ventures and BANNER VC. Existing and new investors, including Founders Fund, Lux Capital, and Linse Capital, also participated.

Funding to Support Expansion and Production

The company said it will use the new capital to hire additional talent, expand manufacturing operations across multiple locations, and increase production capacity for its orbital transit vehicles.

In addition, the funding will help Impulse Space fulfill a growing pipeline of commercial and government satellite deployment contracts.

Building Infrastructure for In-Space Transportation

Founded by Tom Mueller, Impulse Space develops spacecraft and propulsion systems designed to support satellite deployment and orbital transportation.

Its portfolio includes Mira, a spacecraft built for precision maneuvering in orbit, and Helios, a high-energy transfer vehicle powered by the company's proprietary Deneb engine. The platform is designed to transport payloads to geostationary and deep-space destinations.

Company Growth and Recent Milestones

Following the latest funding round, Impulse Space has raised more than $1 billion in total funding.

The company has completed three orbital missions to date and has significantly expanded its workforce over the past year. It also operates testing and engineering facilities in Redondo Beach, Boulder, Washington, D.C., and Mojave.

As demand for satellite deployment and orbital logistics services grows, the company plans to further scale its operations and manufacturing infrastructure.

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