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Ursa Major Technologies

US

Ursa Major Technologies is an American aerospace company and independent rocket propulsion provider specializing in the design, testing, and manufacturing of rocket engines for space launch and hypersonic applications. They offer high-performance liquid rocket engines like the Hadley, Ripley, Draper and Arroway, as well as solid rocket motors. Ursa Major serves commercial space enterprises, defense contractors, and the U.S. government, with customers including Phantom Space, Stratolaunch, and RTX's Raytheon. Key activities include advanced manufacturing techniques like 3D printing to optimize production and reduce costs.

commercial
Berthoud, Colorado, United States
www.ursamajor.com/
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All verified mentions of this organization in source documents.

Hadley H13 is positioned as Ursa Major’s off-the-shelf liquid rocket engine for urgent hypersonic and launch needs.

CapabilityGeneralValue 3.0Mar 10, 2026Rapid Advances Reported for Hadley H13 Engine

Hadley H13 is the lowest cost-per-flight and highest-performing engine Ursa Major has developed to date.

CapabilityGeneralValue 3.0Mar 10, 2026Rapid Advances Reported for Hadley H13 Engine

Hadley H13 is the latest production-rate variant of Ursa Major Technologies’ Hadley liquid rocket engine family.

CapabilityGeneralValue 3.4Mar 10, 2026Rapid Advances Reported for Hadley H13 Engine

Hadley H13 is a mission-upgraded variant of Ursa Major’s flight-proven Hadley H11 engine.

CapabilityGeneralValue 4.0Mar 10, 2026Rapid Advances Reported for Hadley H13 Engine

Ursa Major in-sources major components of the H13 engine and implements vertical integration of additively manufactured parts.

CapabilityGeneralValue 4.2Mar 10, 2026Rapid Advances Reported for Hadley H13 Engine

Dan Jablonsky previously led Ursa Major and Maxar Technologies.

GovernanceValue 2.0Mar 5, 2026Sierra Space Closes $550M Series C

Dan Jablonsky served as chair and chief executive officer of Ursa Major Technologies, Inc.

GovernanceValue 3.6Mar 4, 2026Top Leadership Change at Sierra Space

Prior to joining Ursa Major, Chris Spagnoletti served as President of U.S. Cargo Systems, a TransDigm aerospace business.

GovernanceValue 2.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Chris Spagnoletti advanced Ursa Major’s hypersonic and space programs while at the company.

GovernanceValue 2.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Chris Spagnoletti succeeds Dan Jablonsky as CEO of Ursa Major.

GovernanceValue 4.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Dan Jablonsky is departing Ursa Major after leading a period of significant growth and technical achievement that included the company’s best year on record.

GovernanceGrowthFinancialCapabilityValue 2.8Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Ursa Major has flown hypersonic systems multiple times.

CapabilityValue 3.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Chris Spagnoletti joined Ursa Major in 2022.

GovernanceValue 2.2Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Ursa Major designed and built the Draper engine and its first all-up round.

CapabilityGeneralValue 4.2Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Chris Spagnoletti has been appointed Chief Executive Officer at Ursa Major.

GovernanceValue 3.5Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Ursa Major launched modernized solid rocket motor and in-space propulsion businesses.

CapabilityGeneralValue 3.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Chris Spagnoletti most recently served as President of Liquid Systems at Ursa Major prior to becoming CEO.

GovernanceValue 2.2Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

Ursa Major’s Board of Directors unanimously promoted Chris Spagnoletti to CEO.

GovernanceValue 2.0Feb 26, 2026Chris Spagnoletti Appointed Chief Executive Officer at Ursa Major

ISC initially planned to conduct landing and takeoff tests in the U.S. using engines purchased from the American rocket engine development company Ursa Major Technologies.

PlanRelationshipsValue 4.0Dec 23, 2025将来宇宙輸送システム、米国での打ち上げ実証を断念–自社エンジンに切替、再使用ロケット開発に遅れか

Ursa Major has successfully flown its hypersonic engines and tactical missiles several times since the last funding round.

CapabilityFinancialValue 3.6Nov 20, 2025Ursa Major raises $100 million to scale hypersonics, solid rocket motors and space mobility
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