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Impulse Space Raises $500 Million Series D to Scale In‑Space Mobility

The funding aims to scale the team to about 200 engineers to speed vehicle testing to win commercial customers, including the U.S. Space Force.

Overview

  • Impulse Space announced a $500 million Series D on Tuesday that was co-led by 137 Ventures and Banner VC and included Founders Fund, Lux Capital and Linse Capital.
  • The round was reported to value the Redondo Beach company at about $4.26 billion and brings total capital raised to more than $1 billion.
  • Leadership said the money will be used to hire roughly 200 staff, expand manufacturing and accelerate build-and-test programs for its Mira vehicles and the larger Helios vehicle.
  • Impulse has flown three Mira missions so far and is preparing another flight this year after a recent mission consumed much of its propellant early because of a navigation-system problem.
  • Company executives stressed a human-led engineering approach over current AI design tools and said renewed investor interest after SpaceX's IPO filing is boosting demand for orbital logistics and in-space mobility.