AX19 preburner
An experimental preburner designed, developed, manufactured, tested and delivered for Sierra Space.


Startup · United States
HQ Durango, United States51-200 employees
Propelling humanity to an interplanetary future. An in-space propulsion solution provider, specializing in additively manufactured hypergolic chemical systems.
An experimental preburner designed, developed, manufactured, tested and delivered for Sierra Space.
MMH/MON3 bipropellant thruster for spacecraft attitude control and ΔV maneuvers.
Bipropellant thruster using N2H4/MON3 for axial thrust on midsize to large spacecraft.
A bipropellant thruster sold for deep‑space transportation vehicles.
Hydrazine monopropellant thruster for attitude and position control of small spacecraft.
A newly developed propulsion system referenced in the company’s 2023 year‑in‑review.
Newest unveiled first. Open a product for its milestone timeline, components and sources.
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Feb 19, 2026 | Series A | $17.0M | — | Caruso Ventures, Howdy Partners | Lockheed Martin Ventures, Veteran Ventures Capital | Confirmed |
| Jun 23, 2023 | Seed | $13.0M | — | Caruso Ventures | Lockheed Martin Ventures | Reported |
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
Agile Space Industries · Supports Organization · description, Organization · name, Organization · website
“Propelling humanity to an interplanetary future. An in-space propulsion solution provider, specializing in additively manufactured hypergolic chemical systems.”
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "2e0b9752-deff-4695-a987-f12963182905"}”
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · x url
“employee_range: 51-200 (profile: 51-100)”
Agile Space Industries · Supports System
“including our newly developed Ticonderoga propulsion system”
Agile Space Industries · Supports System
“## **VoidRunner** **THRUST: 3000N (600-lbf)** VoidRunner (aka DS3000) was designed to be the main thrust engine on spacecraft like lunar landers or other large vehicles.”
Agile Space Industries · Feb 19, 2026 · Supports Funding round · amount
“Agile Space Industries Oversubscribed $17M Series A”
SpaceNews · Feb 19, 2026 · Supports Funding round
“The round was led by Caruso Ventures and Howdy Partners”
Agile Space Industries (SpaceNews reprint) · Jun 23, 2023 · Supports Funding round, Funding round · amount
“was led by Caruso Ventures”
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