Radian Aerospace
Renton, US · Founded 2016 · Delaware corporation · 23 employees on LinkedIn · 16 known investors
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Radian Aerospace is developing fully reusable spaceflight vehicles, including Radian One, a single-stage-to-orbit mission platform for routine access to Low Earth Orbit, and R3V, a reusable reentry capsule for hypersonic testing and rocket cargo. The company builds launcher-agnostic vehicles configurable for cargo, experiments, or custom payloads in the space industry.
Also known as Radian
Founders & leadership
Radian Aerospace was founded in 2016 by Curtis Gifford, Richard Humphrey, Livingston Holder, and Jeff Feige.
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Investors · 16
Also in the syndicate · 3
Funding
SEC filings, press & company announcements$27.9M disclosed across 2 rounds · 2016–2022
- $27.5Mseed roundJan 2022 · 5 sources
Fine Structure Ventures (lead), EXOR, Explorer 1 Fund, Gaingels, Helios Capital, SpaceFund, The Private Shares Fund, The Venture Collective, Type One Ventures
Source ↗
▶$350KraisedFeb 2016 · 7 investors · Other TechnologyRule 506(b)
- Curtis GiffordExecutive Officer, Director
- Richard HumphreyExecutive Officer, Director
- Amount sold
- $350K
- First sale
- Feb 2016
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Company profile
researched Aug 2026Radian Aerospace is a Renton, Washington-based aerospace company developing fully reusable spaceflight vehicles. Its primary program is Radian One, described as a single-stage-to-orbit spaceplane and mission platform intended to provide routine access to and return from Low Earth Orbit. The vehicle uses a fully integrated design that requires no staging, and the company emphasizes downmass capacity, rapid reusability, and horizontal takeoff and landing from existing runway infrastructure.
Alongside Radian One, the company has introduced R3V, a fully reusable reentry capsule intended for hypersonic testing and rocket cargo missions. R3V is presented as launcher-agnostic, compatible with small- to medium-lift rockets, and configurable for cargo, experiments, or custom payloads, targeting high-tempo mission cadences at low operating cost.
Business model
Radian develops and intends to operate reusable launch and reentry vehicles as mission platforms, offering orbital access and reentry services with configurations for cargo, hosted experiments, and custom payloads.
Traction
Radian has revealed a first prototype flight vehicle and completed an initial round of taxi tests as well as ground tests of the prototype spaceplane, updated the Radian One design, announced a partnership with General Atomics, and received recognition from Goldman Sachs for entrepreneurship. Coverage has appeared in outlets including TechCrunch, CNN, Ars Technica, SpaceNews, GeekWire, FLYING Magazine, Futurism and Robb Report.
Latest developments
Recent announcements include the unveiling of the R3V reusable reentry vehicle, a partnership with General Atomics on next-generation aerospace technologies, the reveal of the first prototype flight vehicle with initial taxi and ground testing, and the appointment of Jeff Matthews as Director of Strategy.
▸Full profile — market position, technology, go-to-market, geography
Market position
The company positions Radian One as the world's first single-stage-to-orbit spaceplane, an objective frequently characterized in press coverage as a long-sought 'holy grail' of spaceflight because of full reusability and responsiveness.
Radian differentiates on full vehicle reusability without staging, horizontal runway operations rather than vertical launch, and stated industry-leading downmass and rapid reusability; its R3V capsule is differentiated by launcher-agnostic compatibility across small to medium-lift rockets.
Technology
Radian's technical approach centers on single-stage-to-orbit flight using a fully integrated, reusable vehicle with no staging, combined with horizontal takeoff and landing capability that avoids dependence on vertical launch vehicles. The company also develops a fully reusable reentry capsule (R3V) designed for rapid turnaround and compatibility with a range of existing launch vehicles.
Go-to-market
Customers implied by the company's positioning include operators of Low Earth Orbit missions, hypersonic test programs, and rocket cargo or point-to-point delivery applications; endorsements come from former US Air Force, NASA, Boeing and Lockheed Martin figures, indicating interest from defense and government-adjacent markets.
Geography
Headquartered in Renton, Washington, United States.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Competitors · 3
by search overlapCompanies competing with Radian Aerospace for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 6
launches, deals, and filingsRadian Aerospace announced it had emerged from stealth and raised a seed round led by Fine Structure Ventures.
Radian Aerospace announced a partnership with General Atomics to advance next-generation aerospace technologies.
Radian revealed its first prototype flight vehicle and completed an initial round of taxi tests; ground tests of the prototype spaceplane were also reported.
The company announced R3V, a fully reusable reentry capsule aimed at hypersonic test and rocket cargo missions, described as launcher-agnostic and configurable for cargo, experiments or custom payloads.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
▸Research sources · 1
primary sources listed
- Radian Aerospaceradianaerospace.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Radian Aerospace do?
- Radian Aerospace is developing fully reusable spaceplanes and reentry vehicles for orbital access and hypersonic testing.
- Who founded Radian Aerospace?
- Radian Aerospace was founded by Curtis Gifford, Richard Humphrey, Livingston Holder, Jeff Feige in 2016.
- Who are Radian Aerospace's investors?
- Radian Aerospace's investors include Advection Growth Capital, Balerion Space Ventures, Evolution VC Partners, Fine Structures Ventures, HCVC, Helios Capital, Hemisphere Ventures LLC, Sand Hill Angels and 5 more.
- How much funding has Radian Aerospace raised?
- Radian Aerospace has disclosed $27.9M raised across 2 rounds.
- Where is Radian Aerospace headquartered?
- Radian Aerospace is headquartered in Renton, US.










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