Impulse Space Secures $308 Million Funding Extension
The investment brings the startup's total Series D funding to $808 million as it expands its deep-tech operations.
Updated on Oct. 22, 2026 in Space
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Hanwha Asset Management has invested in a $308 million funding extension for U.S.-based startup Impulse Space. This contribution brings the total Series D funding for the company, founded in 2021, to $808 million.
Why it matters
The investment marks Hanwha Asset Management's latest move to expand its portfolio of overseas deep-tech companies. This capital infusion supports Impulse Space as it continues development within the competitive space industry.
Impulse Space secured an additional $308 million in its latest funding extension, bringing the startup's total Series D round to $808 million. The capital injection was facilitated by Hanwha Asset Management via a project fund involving four Korean institutional investors.
The players
Hanwha Asset Management
An investment firm with existing stakes in SpaceX and OpenAI that is expanding its global portfolio into space, robotics, and defense technology.
Impulse Space
A U.S.-based aerospace startup founded by Tom Mueller to develop space-logistics and propulsion systems.
Tom Mueller
The founder of Impulse Space and a notable figure in the private aerospace engineering sector.
The details
Founded in 2021 by Tom Mueller, Impulse Space focuses on developing propulsion and space-logistics technologies. The investment represents a targeted effort by Hanwha Asset Management to increase its footprint in international deep-tech sectors. While this funding secures resources for ongoing operations, specific technical milestones or product-delivery schedules tied to this capital remain research and development stage objectives.
Timeline
2021: Impulse Space was founded.
2024: Impulse Space Series B financing occurred.
October 2026: Hanwha Asset Management participated in the funding extension.
The Tech Race
This investment follows a pattern set by Hanwha Asset Management's existing stake in SpaceX and OpenAI as the firm expands into the broader deep-tech space. The company intends to continue increasing its exposure to artificial intelligence, robotics, and space-related ventures.
The funding provides Impulse Space with the capital necessary to accelerate its current propulsion development roadmaps. Investors and industry observers can monitor future announcements regarding technical project milestones or operational growth.
The takeaway
Impulse Space gains significant financial runway to advance its propulsion technologies after closing this large funding extension. Stakeholders should track future R&D disclosures to see how these resources impact the company's hardware development benchmarks.
Further reading
For more on the current trajectories of orbital logistics and launch technology, visit Space.
Source note: This article includes information reported by The Korea Herald.
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