Keep Up With Us
PRESS RELEASES
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HERMEUS FLIES QUARTERHORSE Mk 1 AT EDWARDS AIR FORCE BASE
May 27, 2025
Quarterhorse Mk 1 flight redefines U.S. aircraft development pace and unlocks next steps toward hypersonic aircraft.
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HERMEUS BRINGS “HEAT” FACILITY ONLINE WITH F100 ENGINE TESTS
January 8, 2025
Hermeus has brought online the first phase of a facility that will address the critical shortage of hypersonic test infrastructure in the U.S.
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Quarterhorse Mk 1 Completes Ground Testing at Edwards – Readies for Flight
December 17, 2024
This segment of the flight test campaign was completed in just 21 days and satisfies technical requirements for flight approval.
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HERMEUS BREAKS GROUND ON HYPERSONIC ENGINE AND FLIGHT TEST FACILITY
September 9, 2024
The new facility advances U.S. capability to more effectively test and field various hypersonic technologies.
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HERMEUS BEGINS PRECOOLER TESTING WITH PRATT & WHITNEY F100 ENGINE
May 14, 2024
The testing marks the first major engine milestone for Hermeus’ supersonic Quarterhorse Mk 2 aircraft.
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HERMEUS UNVEILS FIRST AIRCRAFT, QUARTERHORSE MK 1
March 28, 2024
Designed, built, and integrated in just seven months, this is the company’s second fully-integrated vehicle in the past year, following Quarterhorse Mk 0.
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HERMEUS COMPLETES TESTING OF QUARTERHORSE MK 0 VEHICLE
January 4, 2024
This non-flying prototype acted as a ‘dynamic iron bird’ for the company by validating all major aircraft subsystems in a real-world environment.
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Hermeus Signs Multi-Year Contract with DIU
November 13, 2023
Hermeus has been awarded a contract by the Defense Innovation Unit (DIU) to mature hypersonic aircraft subsystem and mission system technology.
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HERMEUS RECEIVES FIRST PRATT & WHITNEY F100 ENGINE
June 1, 2023
Hermeus has accepted its first F100 engine from Pratt & Whitney. Set to be integrated into the enhanced Chimera II TBCC propulsion system, this powerful engine component marks a critical milestone in Hermeus' development of Darkhorse.
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Hermeus Secures Pratt & Whitney F100 Engine
December 20, 2022
Hermeus has selected the Pratt & Whitney F100 turbofan to integrate into its larger hypersonic engine. Securing an off-the-shelf turbine engine will save Hermeus billions of dollars in research and development costs and years of schedule.
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HERMEUS COMPLETES HYPERSONIC MILESTONE WITH ENGINE TESTS
November 17, 2022
Hermeus has demonstrated turbojet to ramjet transition within its engine, Chimera. This is one of the most important technological feats to making operational hypersonic flight a reality.
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RAYTHEON TECHNOLOGIES VENTURE CAPITAL GROUP INVESTS IN HERMEUS
May 12, 2022
Raytheon Technologies announced a strategic investment in Hermeus Corporation through its newly established corporate venture capital group, RTX Ventures.
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HERMEUS RAISES $100 MILLION SERIES B LED BY SAM ALTMAN
March 10, 2022
Hermeus announced a $100 million Series B funding round led by Sam Altman. New investors Founder's Fund and In-Q-Tel also participated alongside existing investors Khosla Ventures, Canaan Partners, Bling Capital, and Revolution’s Rise of the Rest.
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HERMEUS ADDS USAF ACQUISITION REFORMER DR. WILL ROPER TO BOARD
August 19, 2021
Dr. Will Roper, former Assistant Secretary of the Air Force for Acquisition, Technology and Logistics, has joined the Hermeus Board of Directors.
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HERMEUS FULLY-FUNDED TO FLIGHT WITH $60 MILLION U.S. AIR FORCE PARTNERSHIP
August 5, 2021
Hermeus announced the signing of a $60 million U.S. Air Force partnership for flight testing its first aircraft, Quarterhorse, which will validate the company's proprietary turbine-based combined cycle (TBCC) engine.
Updates
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HERMEUS WELCOMES KEN VENNER AS CHIEF OPERATING OFFICER
October 24, 2024
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HERMEUS NAMES ZACH SHORE AS CHIEF REVENUE OFFICER
January 19, 2024
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QUARTERHORSE MK 0 BEGINS TESTING
October 12, 2023
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Quarterhorse Wind Tunnel Testing
February 27, 2023
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Hermeus Named Among Best Places to Work in Atlanta and Los Angeles
January 12, 2023
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State of the Company 2022
December 6, 2022
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Enter the Flight Deck
October 10, 2022
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Our SR-71 Podcast
July 28, 2022
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Chimera Completes Ground Testing
June 7th, 2022
in the news
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Watch: Hermeus Flies Quarterhorse Demonstrator For First Time
May 27, 2025
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Make America test again: How rapid, iterative testing will advance hypersonic development
March 7, 2025
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Winners Announced For Aviation Week Network’s 67th Annual Laureate Awards
November 11, 2024
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COULD THIS BE THE NEXT AIR FORCE ONE?
February 29, 2024
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Silicon Valley’s Next Mission: Help the U.S. Catch China and Russia in Hypersonic Weapons
February 28, 2024
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Building The World's Fastest Passenger Plane
September 5, 2023
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New York To Paris In 90 Minutes. Can This Startup Make It Happen?
August 22, 2023
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Hermeus Is Plugging An F-15 Engine Into its Hypersonic Test Aircraft
June 8, 2023
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Hermeus Expands Operations, Shapes Flight-test Plan
May 16, 2023
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Hermeus-Pratt & Whitney Outline Hypersonic F100 Test Plan
March 02, 2023
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The Air Force’s Next Hypersonic Aircraft, Has Taken an Epic Leap
January 25, 2023
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This Mach-5 engine will do what no other can
October 6, 2022
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Engine Tests Move Hypersonic Aircraft Closer to First Flight
November 17, 2022
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Why a Mach 5 passenger plane is a crazy idea that might just work
December 29, 2021
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Aircraft company bets on hypersonic travel
August 5, 2021 [ CNBC ]
Contact us
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3960 Dekalb Technology Pkwy
Atlanta, GA 30340 -
press@hermeus.com
