Impulse Space

Access to space is solved. Impulse is building the highways to everywhere else in the solar system. Follow us into orbit: impulsespace.com

Meet Rigel, our new 200 lbf class engine designed to power the layer between precision maneuvering and high-energy transport. Rigel combines deep throttleability, unlimited restarts, and long duration burns to deliver the missions defining the future of space operations: ✔️Landers ✔️ Rendezvous & proximity ops (RPO) ✔️ High delta-v maneuvers ✔️ Multi-phase missions From Earth orbits to lunar exploration, Rigel fires when reliability is not optional. Read more: impulsespace.com/updates/meet-r…

“Where fire meets metal.” Andy Mack, Lead Test Engineer in Mojave, explains the impact of owning every aspect of the test facility – from fluid, electrical, and data systems, to design, build and test. And how flight doesn't stop on the weekends: impulsespace.com/updates/q-and-…

If you want to move through space fast you strap a rocket engine onto something. That’s exactly what we’re doing here.” ‌‍ ‍— @lrocket, Founder & CEO ‌‍ ‍ ‍‌‍ ‌ ‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍ ‍ ‍ ‍‍ ‍ ‍ Helios is the kick stage bringing same-day delivery to space. Riding as a payload in a medium-lift launch vehicle, Helios deploys in LEO then transports cargo to GEO in the span of a single workday. Helios is purpose-built to deliver unprecedented access to high-energy orbits — eliminating the need for a heavy-lift launch or a multi-month electric propulsion orbit raise. Space access will never be the same: impulsespace.com/updates/meet-h…

“We’re building software that directly shapes the mission’s success.” We sat down with Atta Kashmiri, Spacecraft Software Manager at Impulse, to break down what it’s like to develop the tools, infrastructure, and flight-critical systems that keep the Mira and Helios programs moving forward – and how it feels to get your hands on real flight hardware. Take a look: impulsespace.com/updates/q-and-…

Say hello to the Deneb engine. Our team continues to check off milestones and make rapid progress in development. We are now into mainstage engine testing and are rapidly iterating on hardware and software toward a flight-ready system. If you want to build bad a** engines – apply on our website.

On LEO Express 2, Mira recently completed the longest on-orbit burn in program history at 223 seconds. We performed the maneuver to adjust orbital parameters in preparation for future capability demonstrations. Inclination changes require big delta-v. They allow us to shift planes, set up new geometries, and expand what this vehicle can support on orbit. Lining up what comes next.

A sustained presence on the Moon depends on delivering infrastructure to the surface at cadence. @NASAAdmin’s phased approach calls for regular cargo, surface systems, and scalable logistics. That means delivering rovers, power systems, communications, and habitation modules to the lunar surface. Our approach combines our Helios kick stage with an Impulse-built lander to deliver multiple tons of cargo per mission. Helios transports the lander from LEO to lunar orbit, enabling delivery to the surface without in-space refueling. A repeatable architecture aligned with how lunar operations scale. Read our proposed mission architecture: impulsespace.com/updates/to-the…

Impulse Space has been named one of @FastCompany's Most Innovative Companies of 2026. This recognition is a testament to our engineers, technicians, and operators who are turning ambitious ideas into on orbit space mobility solutions. There’s tremendous momentum across our factories and test sites. More vehicles in production, more missions ahead, and more hard problems to solve. Read more: fastcompany.com/91497302/space… #FCMostInnovative

We’ve opened a new 20,000 sq. ft. manufacturing facility outside Boulder, Colorado. The site expands Guidance, Navigation, and Control (GNC) development for Mira and Helios. And, it adds multi-axis CNC and precision mill-turn machining for propulsion hardware, including valves used during orbital burns. And we’re growing our team in the region. Read more: impulsespace.com/updates/inside…

@scottgmorton @IndexVentures @Redpoint @ThriveCapital @felicis @AbstractVC Congrats Team Revel! We're glad to be part of the ride. 🚀

Today we announced our $150M Series B led by @IndexVentures with major participation from @Redpoint and returning investors including @ThriveCapital, @felicis, and @AbstractVC. Across aerospace, energy, and manufacturing, engineering teams are pushing what’s possible. The software behind many of these systems hasn’t kept up. Revel gives engineering teams the infrastructure to test and control complex hardware systems with speed and confidence. In just over a year, we’ve built a world-class team, converted every pilot into a customer, and are now expanding the platform across new industries. If you believe great hardware deserves great software, we’re hiring across the board. Read the full announcement here: nytimes.com/2026/02/26/bus…

Julia Vyborny, Director of Propulsion at Impulse Space, has been recognized in @Via_Satellite’s Celebrating Women in Satellite 2026! Julia sets a high bar for technical rigor and ownership as we build the future of in-space mobility. Congratulations, Julia! interactive.satellitetoday.com/via/march-2026…

The next challenge in space is on-orbit mobility. When spacecraft can maneuver precisely, reliably, and responsively, everything accelerates: stations, satellites, logistics, exploration, and the orbital economy at large. We’re excited to provide the propulsion system for @vast's Haven Demo and Haven-1. Building the enabling infrastructure that lets others unlock their missions is how we move toward a real Space Age. #MobilizeSpace

Phase 1 of the Helios vertical test stand is nearly complete at our Mojave facility. It's where we'll begin to operate the stage, validate design intent, and characterize stage performance – and move Helios from design into a high reliability, high performance vehicle.

Highly-maneuverable, extremely photogenic. Take a look at what our LEO Express 2 Mira saw while closing in on the LEO Express 1 Mira – on our fully autonomous RPO mission with @StarfishSpace Starfish’s software enabled Mira to perform close-proximity maneuvers, with a single camera and closed-loop GNC software guiding our spacecraft within ~1250 meters of one another in LEO. Mira executed the approach after completing its primary delivery objectives, validating its ability to perform responsive, high-precision RPO on orbit.

On-Orbit Update: Vehicle commissioning is underway and customer payload deployments have begun on the LEO Express 3 Mission. After separation from the launch vehicle, our team used new, Impulse-built radios to make contact with Mira. The spacecraft autonomously deployed its new dual solar arrays and established a sun-pointing attitude and power-positive state. During the initial phase of our commissioning process, Mira’s star trackers produced noisier measurements than expected, leading to higher RCS propellant expenditure than desired for this phase of the mission. After detecting this trend, our team pivoted to an alternate attitude control scheme and is continuing to proceed through additional commissioning activities. Having expended the majority of the nitrous oxide as a result of the incident, Mira will not be able to perform main thruster burns. We’ve also begun LEO Express 3 customer missions, with 2 of 3 FOSSASats successfully deployed into their target orbits. Mira remains in a stable, sun-pointed and power-positive state. Read the full update here: impulsespace.com/updates/leo-ex…

2025 moved fast—and so did we. This year, we launched the LEO Express 2 and 3 missions, bringing us to a total of three Mira spacecraft on orbit, executed a first-of-its-kind autonomous RPO, and upgraded Mira to expand performance and unlock mission profiles across higher energy orbits. In our Helios program, we proof tested the Run Stage tank test article, validating the tank structural design and manufacturing processes. This primary structure is representative of the flight tank for the fully-manifested Caravan 1 maiden flight of Helios. And, our Deneb engine test article executed 165 powerpack hotfire tests across 13 builds. We shared our vision beyond GEO, with an Impulse-designed lander architecture to deliver more mass to the moon and help build out a sustained lunar presence. We raised a $300 million Series C, bringing total funding to over half a billion dollars, and doubled our team. We tripled our testing footprint in Mojave, opened a new facility in Colorado expanding capabilities across precision manufacturing, optics development, GNC, and simulation, and secured additional space in Redondo Beach to support our scaling production. We initiated major mission contracts and partnerships with NASA, SES, Anduril, Astranis, Infinite Orbits, Lodestar, and more. We were named one of Fast Company’s Next Big Things in Tech, SpaceNews’ Emerging Space Company of the Year, and LA Business Journal’s Disruptor of the Year. And that’s just a few of the highlights. We’re excited to bring you inside these moments and more in 2026. Happy New Year from all of us at Impulse! #MobilizeSpace

Congratulations to @rookisaacman. Excited for your leadership of NASA!

“I want people to be able to say that Impulse helped usher in a true Space Age” — @lrocket The new profile from @IntEngineering dives into Impulse Founder & CEO, Tom Mueller's path from Idaho logging country to SpaceX, and now to building the future of in-space mobility at Impulse. Check out the full interview 👉 interestingengineering.com/interviews/spa…

Fully autonomous rendezvous and proximity operations in LEO: complete. With our LEO Express 2 Mira and @StarfishSpace's payloads, we brought our spacecraft within ~1250 meters of our LEO Express 1 Mira, on orbit, using a single camera and closed-loop GNC software. Read about the previously unannounced Remora Mission – brought from concept to orbit in just nine months: impulsespace.com/updates/starfi…