Argonaut
A refuellable space logistics and mobility vehicle that uses water propellant for orbital transportation and in‑space mobility.


Startup · United States
HQ El Segundo, CAFounded 202211-50 employees
We are designing, building, and operating reusable in-space transport and mobility vehicles powered by water.
| Fiscal year | Obligated | Actions | Awards |
|---|---|---|---|
| FY2026 (to date) | $3.9M | 4 | 2 |
| FY2025 | $1.9M | 3 | 1 |
| FY2024 | $1.8M | 2 | 2 |
| FY2023 | $150K | 1 | 1 |
Signed obligations on federal prime contracts (award types A–D) from USAspending, FY2008 through Oct 9, 2026. Obligations are money the government committed, not company revenue, and include de-obligations. Subcontracts and grants are excluded. Matching is by registered UEI.
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jul 24, 2026 | Undisclosed | Undisclosed | — | — | — | Reported |
| Oct 3, 2024 | Seed | $7.9M | — | Crosslink Capital | Air Capital, Stellar Ventures, Type One Ventures | Confirmed |
| Apr 13, 2023 | Pre-Seed | Undisclosed | — | — | — | Reported |
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
A refuellable space logistics and mobility vehicle that uses water propellant for orbital transportation and in‑space mobility.
ESPA-class, water-propelled, refuellable maneuver vehicle for space domain awareness and RPO missions.
A refuellable orbital logistics vehicle designed to transport large satellites and payloads to and between any orbit.
The pathfinder vehicle for Argo’s core technologies, demonstrating water propulsion and delivering a commercial payload from LEO to GEO.
Newest unveiled first. Open a system for its milestone timeline, components and sources.
| Facility | Kind | Location | Status | Confidence |
|---|---|---|---|---|
| Argo Space headquarters | Headquarters | El Segundo, CA, United States | Operating | Confirmed |
Co-Founder
Co-Founder
Founder
Chief Operating Officer
Chief Executive Officer
Chief Technology Officer
Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "bc9209bf-7978-4ce8-a193-2311740d57bb", "name": "Argo Space"}”
Argo Space · Supports Organization · description, Organization · name, Organization · website, System
“We are designing, building, and operating reusable in-space transport and mobility vehicles powered by water.”
Argo Space · Supports System
“Freighter is a refuellable orbital logistics vehicle designed and built by Argo to provide reliable, affordable, flexible transportation of large satellites and other payloads to – and between - every orbit.”
Argo Space · Supports System, System · maturity
“High-thrust maneuver in an ESPA package. Designed for space domain awareness and space control functions.”
Argo Space · Supports System
“High-deltaV maneuver in an ESPA package. Provides payload hosting, multi-orbit mobility, and RPO capability.”
Argo Space · Oct 3, 2024 · Supports Facility, Funding round · amount, Organization · ownership
“This new location will house design, manufacturing, build, and test of Argo space transport vehicles and lunar surface hardware.”
PitchBook · Supports Funding round, Organization · country, Organization · employee range, Organization · linkedin url, Organization · x url
“Series 2 - Argo Space”
CB Insights · Supports Funding round
“4/13/2023 Pre-Seed”
Crunchbase · Supports Funding round, Organization · country, Organization · employee range, Organization · hq city, Organization · legal name, Organization · linkedin url, Organization · x url, Role
“Series Unknown - Argo Space”
Argo Space · Sep 17, 2026 · Supports Facility, Organization · hq city, Organization · status, Role
“Argo is headquartered in El Segundo, California.”
KULR Technology Group · May 18, 2026 · Supports Organization · founded year, Role
“Argo is an El Segundo, CA-based space startup founded in 2022 by SpaceX veterans.”
Argo Space · Supports Role
“Robert Carlisle Co-Founder // Chief Executive Officer”
LinkedIn · Supports Organization · country, Organization · employee range, Organization · founded year, Organization · linkedin url, Organization metric · employees in linkedin, Organization metric · followers
“country: US”
Identifiers are matched to this legal entity; related companies may hold different registrations.
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