News brief
On September 16, 2026, per Impulse Space, spacecraft, propulsion and in-orbit transportation company raised $308M in a Series D extension, bringing the round to $808M total at a valuation of about $5.4B. The company was founded by Tom Mueller, former SpaceX propulsion systems lead.
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- www.impulsespace.com ↗Published Sep 16, 2026
Original source text
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2026年9月16日，据Impulse Space官网，航天器、推进和在轨运输公司完成3.08亿美元D轮追加融资，使本轮累计金额达8.08亿美元，估值约54亿美元。公司由SpaceX前推进系统负责人Tom Mueller创立。