According to Tech Funding News, Impulse Space, founded by SpaceX’s first employee Tom Mueller, has completed a $500 million Series D round led by 137 Ventures and BANNER VC, bringing its post-money valuation to $4.26 billion. The company has now raised over $1 billion in total funding and focuses on solving spacecraft maneuvering after launch. Its Mira precision maneuvering vehicle has successfully completed multiple missions, and its high-energy upper stage, Helios, is scheduled for its first flight in 2027, targeting payload delivery to GEO, lunar, and heliocentric orbits. Tom Mueller stated that Impulse Space is committed to building the economic and technological engine that will propel humanity into space.
Impulse Space Completes $500M Funding, Valuation Reaches $4.26B
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Impulse Space, a project funding highlight, has closed a $500 million Series D round led by 137 Ventures and BANNER VC, raising its valuation to $4.26 billion. Founded by SpaceX’s first employee, Tom Mueller, the company has now raised over $1 billion. It specializes in post-launch spacecraft maneuvering, with Mira having completed multiple missions and Helios scheduled for its first flight in 2027. The on-chain news reflects continued momentum in the space technology sector.
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