Table of Contents
⚠ Disclaimer: This entry may be incomplete, out of date, or inaccurate. It is AI-maintained on a best-effort basis. Do not rely on it as a sole source — verify claims independently using the sources listed below.
Summary
Sceye Inc. builds a solar-powered, helium-filled stratospheric airship — a High Altitude Platform System (HAPS) — designed to hold station at up to 65,000 ft for weeks to months at a time. The 270-ft airship is a materials-science-led effort founded in 2014 by Mikkel Vestergaard Frandsen (previously the founder of the humanitarian companies Vestergaard and LifeStraw) and is aimed at telecom relay and Earth observation — wildfire detection, methane monitoring, maritime search and rescue — not drone or missile detection specifically. It’s included in this section because a persistent, station-keeping stratospheric platform is architecturally the same problem whether the payload is a methane spectrometer or a radar/RF sensor looking for cruise missiles and drones, and because Sceye’s own public roadmap (NASA-funded hyperspectral sensor work, a growing sensor-integration business) already points toward broader payload diversification beyond its current civil/commercial missions.
Key Facts
- HQ: Moriarty, New Mexico, USA (50 George Applebay Way, Building 200, Moriarty, NM 87035); also maintains Sceye Tech GmbH in Zug, Switzerland. Company materials describe the headquarters as “outside of Albuquerque” and the airship hangar as being in “Southern New Mexico”
- Type: Company — HAPS airship platform + payload integration
- Founded: 2014, by Mikkel Vestergaard Frandsen
- Platform: SE2 solar-powered airship, 270 ft long, helium-filled hull
- Operating altitude: Design target up to 65,000 ft; the March–April 2026 Endurance Program flight cruised at a mean altitude around 50,000 ft, reported elsewhere as “more than 52,000 ft”
- Endurance (demonstrated): 12-day, ~6,400-mile flight from Roswell, New Mexico to the coast of Brazil (March 25–April 6, 2026) — described by Sceye and by the independent balloon-tracking site StratoCat as the longest flight in the company’s history since operations began in 2014
- Funding: Series C round led by Mawarid Holding Company (announced September 2024) at a $525 million pre-money valuation; SoftBank Corp. (TOKYO: 9434) joined as a strategic investor in June 2025 as part of the first tranche of that Series C round and is separately purchasing a HAPS pre-commercial flight in Japan planned for 2026; other reported investors (via secondary/aggregator sources, not independently confirmed in this review) include América Móvil (Series B) and Caladan Capital
- Status: Active flight-test program; more than 20 flights conducted to date as of a November 2025 press release; NASA-funded hyperspectral sensor development targeted for late 2026/early 2027
How It Works
The SE2 airship uses a solar array on its upper hull — cells reported as Copper Indium Gallium Selenide (CIGS) and Gallium Arsenide (GaAs) — to charge lithium-sulfur batteries (reported energy density in the 400–425 Wh/kg range, figures vary slightly by source) that power an electrically driven propeller through the night, letting the platform sustain flight through day/night cycles at stratospheric altitude. Station-keeping propulsion counters high-altitude winds to hold position over an area of interest; during the March–April 2026 Endurance Program flight, Sceye achieved a station-keeping radius as low as roughly 1 km (0.62 miles) and maintained position for more than 88 hours, including one full diurnal cycle over New Mexico and three consecutive diurnal cycles off the Brazilian coast. Sceye states its proprietary hull fabric is roughly five times stronger relative to weight and 1,500 times more gas-tight than the nearest alternative used by others attempting stratospheric platforms, though independent verification of that comparison was not found in this review.
Current declared payloads are EO/IR cameras (1-meter-resolution methane-emission imaging for oil and gas monitoring, developed with the U.S. EPA and the State of New Mexico), general Earth-observation sensors (wildfire detection, maritime search and rescue), and the SceyeCELL airborne cellular network antenna for emergency/disaster-response connectivity. A planned hyperspectral payload — funded by an $850,000 NASA Small Business Innovation Research (SBIR) Phase 2 award to Sceye and partner Spectral Sciences, Inc. — is intended to add pixel-level detection of wildfires, methane leaks, vegetation dynamics, volcanic plume activity, and geology, targeted for a flight in late 2026 or early 2027. No source found in this review describes Sceye publicly marketing a drone- or missile-detection payload; the relevance here remains platform architecture and dual-use potential rather than a fielded C-UAS product.
Notable Developments
- 2026-03-25 to 2026-04-06: SE2 airship launched from its hangar at Roswell Industrial Air Center, New Mexico (14:27 UTC), completing a 12-day, ~6,400-mile “Endurance Program” flight to international waters off the coast of Brazil at a mean altitude near 50,000 ft — the longest flight in company history to date
- 2025-11-06: NASA awards Spectral Sciences, Inc. and Sceye $850,000 (Phase 2 SBIR) to develop a hyperspectral Earth-observation payload for Sceye’s HAPS, targeting a late-2026/early-2027 flight
- 2025-06-26: SoftBank Corp. (TOKYO: 9434) announces a strategic investment in Sceye as part of the first tranche of its Series C round, and confirms it will purchase a HAPS pre-commercial service flight in Japan in 2026 for disaster-recovery and rural connectivity use cases
- 2025 (reported, per Spectral Sciences press release): Sceye completes what it describes as the world’s first real-time methane detection missions from the stratosphere, in partnership with the U.S. EPA and the State of New Mexico; separately partners with NASA and the USGS on wildfire/storm environmental monitoring
- 2024-09-17: Sceye announces the close of a Series C funding round led by Mawarid Holding Company (Saudi Arabia) at a $525 million pre-money valuation, with funds earmarked for R&D, flight programs, and an initial 2025 commercial launch — a timeline that had not been publicly confirmed as met as of this review (see Claim Verification below)
- 2024: Sceye’s “Control Dynamics Program” flight becomes, per company and press claims, the first HAPS to complete a full diurnal (24-hour) cycle in the stratosphere while maintaining station over an area of operation — the proof point cited as validating the Series C investment case
- 2026 (ongoing): Featured in Fast Company’s World Changing Ideas coverage for wildfire-detection potential
Key People
- Mikkel Vestergaard Frandsen — Founder and Chief Executive Officer (founded Sceye 2014). LinkedIn: mikkel-vestergaard-frandsen-73ab146 (found via public search; not independently fetch-verified in this session, as LinkedIn profile pages are not accessible to automated fetch). Prior to Sceye, founded Vestergaard (distributed over 1 billion insecticide-treated bed nets, per company materials) and LifeStraw (water filtration products credited by the company with contributing to the near-eradication of Guinea worm disease and providing drinking water to more than 11 million children). World Economic Forum contributor and CANSO contributor.
- Ivan Koutsarov — Chief Financial Officer. Sourced from secondary aggregators (ZoomInfo, RocketReach, The Org), not a Sceye primary-source page fetched in this session — treat title/tenure as unconfirmed pending a company-published source. LinkedIn: ivankoutsarov (found via search, not fetch-verified). Reported previous roles: Senior Vice President of Corporate Development and Strategy at Voyager Space; Vice President, Diversified Industrials at J.P. Morgan; M&A/restructuring experience at Greenhill & Co.; investment banking summer associate at Lazard. Reported education: BA, University of Pennsylvania; MBA, The Wharton School.
- Stephanie Luongo — Chief of Mission Operations, per The Org’s Sceye leadership-team page. Note: that page is itself labeled “Unverified” by The Org, so this title/tenure should be treated as unconfirmed pending a company-published source.
People — Last Reviewed: 2026-07-17
Claim Verification
Claim: 12-day, ~6,400-mile stratospheric flight (March 25–April 6, 2026), the longest in company history
Status: Verified. Supporting sources: Interesting Engineering and Aviation Week independently reported the flight; StratoCat, an independent balloon-flight-tracking site with no commercial relationship to Sceye, logged the same launch site, date/time (Roswell Industrial Air Center, 3/25/2026, 14:27 UTC), duration (12 days), distance (~6,400 miles), and termination date/location (4/6/2026, off Northern Brazil). Qualifying notes: Sources differ slightly on cruise altitude — Sceye/Interesting Engineering describe it as “higher than 52,000 ft” while StratoCat logs a mean altitude of ~50,000 ft — and on battery energy density (StratoCat: ~400 Wh/kg; Interesting Engineering: 425 Wh/kg). These are minor, plausibly rounding-related discrepancies rather than contradictions. Summary: Well-corroborated by multiple independent (non-Sceye) sources with consistent core facts.
Claim: $850,000 NASA award for a hyperspectral stratospheric sensor (Spectral Sciences partnership)
Status: Verified. Supporting sources: Spectral Sciences’ own press release (the co-recipient, an independent party from Sceye) confirms the $850,000 figure, the SBIR program mechanism, and quotes both a NASA scientist (Jonathan Stock) and a Spectral Sciences executive; SpaceNews independently covered the award. Summary: Verified via a co-recipient’s own press release plus independent trade press — one of the stronger-sourced claims in this entry.
Claim: Series C funding at a $525 million pre-money valuation, with commercial launch planned for 2025
Status: Partially verified / Disputed on the timeline component. Supporting sources: Sceye’s Series C press release via PRNewswire (September 17, 2024) states the round closed at a $525 million pre-money valuation and that funds would “fund R&D activities, flight programs and launch the initial commercial operations in 2025.” Refuting/questioning sources: SoftBank’s June 2025 investment press release describes SoftBank’s Japan flight as “pre-commercial HAPS services in Japan in 2026,” and the March–April 2026 flight is itself still labeled an “Endurance Program” test flight by both Sceye and StratoCat — no source found in this review confirms Sceye reached “initial commercial operations” in 2025 as the September 2024 release projected. Summary: The valuation figure is well-sourced to Sceye’s own press release; the 2025 commercial-launch timeline stated in that same release does not appear to have been met based on the most recent (2026) flight-test reporting available — a useful illustration of the general pattern of optimistic timeline claims in early-stage aerospace hardware companies.
Claim: ~$213M total funding raised (third-party aggregator figure)
Status: Unverified. Supporting sources: Referenced in PitchBook-derived summaries surfaced via web search; not fetched from a primary Sceye or investor source in this session. Summary: Treat as a third-party estimate only; do not cite as a confirmed company figure without independent corroboration.
Limitations
- No confirmed drone/missile detection product: Public materials describe Earth-observation, telecom, and emissions-monitoring missions; any C-UAS or air-defense application would require a new payload integration not yet publicly announced
- Endurance still short of stated design goal: The March–April 2026 flight (12 days) is a notable test result but still well short of the “weeks to months” persistence Sceye’s own materials describe as the platform’s eventual target, and shorter than the multi-week/multi-month persistence claimed by some rival balloon platforms (e.g., World View’s Stratollite, claimed up to 45 days)
- Key People sourcing is mixed-confidence: The CEO/Founder role is confirmed via Sceye’s own site; the CFO and Chief of Mission Operations titles rely on third-party aggregators (ZoomInfo, RocketReach, The Org) rather than a Sceye-published leadership page, and The Org’s own page flags itself as “Unverified”
- Commercial timeline claims have already slipped once: The company’s own September 2024 press release projected 2025 commercial operations; by mid-2026 the company was still describing its flagship flight as an “Endurance Program” test, with SoftBank’s Japan service explicitly framed as “pre-commercial” for 2026 — treat future commercialization dates with the same skepticism
Sources
- About Us — Sceye
- What are HAPS and why the stratosphere? — Sceye
- Sceye wins NASA award for stratospheric Earth observations — SpaceNews
- NASA Awards Funding to Spectral Sciences and Sceye — Spectral Sciences, Inc.
- Solar-powered airship completes 12-day stratospheric flight test — Interesting Engineering
- Sceye flies 12-day, high-altitude platform mission to Brazil — Aviation Week
- SCEYE - Stratospheric Airship SE2 - 3/25/2026 flight log — StratoCat
- Sceye Secures Funds in Series C Round Led by Mawarid Holding Company — PRNewswire
- Sceye Receives Investment from SoftBank Corp. — PRNewswire
- Sceye - Leadership Team — The Org
- This high-tech airship could be the future of wildfire detection — Fast Company