Defense & Military
Hermeus Raises $350M Series C to Scale High-Mach Aircraft Production
Hermeus secures $350 million in Series C funding, reaching $1 billion valuation to advance high-Mach unmanned aircraft for U.S. defense.
This article is based on an official press release and Founder’s Note from Hermeus.
Hermeus Secures $350 Million Series C, Reaches Unicorn Status to Accelerate High-Mach Aircraft Production
On April 7, 2026, aerospace and defense aviation company Hermeus announced the successful closing of a $350 million Series C financing round. According to the company’s official press release, this latest capital injection elevates Hermeus to “unicorn” status, carrying a post-money valuation of $1 billion. The funding is earmarked to transition the company from its prototyping phase into the delivery of mission-ready, high-Mach unmanned platforms for the U.S. Department of Defense (DoD).
Alongside the financial announcement, Hermeus Founder and CEO AJ Piplica published a “Founder’s Note” detailing the company’s commitment to rapid, hardware-first iteration. The note emphasizes the necessity of taking calculated risks to overcome the traditional risk aversion that has historically slowed the aviation industry’s progress.
With total capital raised to date now exceeding $500 million, Hermeus is positioning itself to bridge a critical capability gap in modern defense. The company plans to use the new funds to scale its Quarterhorse unmanned flight test program, expand its manufacturing footprint, and begin integrating customer payloads for deployable national security missions.
Financial Structure and Strategic Backing
A Unique Mix of Equity and Debt
The $350 million Series C round is structured as $200 million in equity and $150 million in debt. The equity portion was led by Khosla Ventures, a firm known for backing deep-tech and defense initiatives. According to statements included in the funding announcement, Vinod Khosla noted that Hermeus is solving a “critical capability gap” by iterating at a pace that “matches the modern battlefield.”
The round saw participation from a robust roster of returning investors, including Canaan Partners, Founders Fund, RTX Ventures, Bling Capital, and In-Q-Tel. Hermeus also welcomed new equity investors such as Cox Enterprises (via Socium Ventures), Destiny Tech100, the Georgia Tech Foundation, 137 Ventures, and GSBackers.
The $150 million debt facility was provided by Silicon Valley Bank (a division of First Citizens Bank), Pinegrove Venture Partners, Hercules Capital, and Trinity Capital. This substantial debt backing highlights a growing financial maturity for the aerospace startup as it moves toward commercial-scale production.
Fleet Expansion and the Quarterhorse Program
Rapid Iteration Milestones
According to the company’s release, the newly secured capital will directly support the scaling of the Quarterhorse unmanned flight test program to a fleet of three F-16-scale military aircraft. Hermeus has outlined a clear roadmap for its upcoming aircraft iterations:
- Quarterhorse Mk 2.1: Successfully completed its first flight on March 3, 2026.
- Quarterhorse Mk 2.2: Slated to be the company’s second supersonic aircraft.
- Quarterhorse Mk 2.3: Designed to be the company’s first Mach 3 aircraft.
Facility Reallocation
To support this rapid scaling and hardware development, Hermeus announced it is opening a new headquarters in El Segundo, California. This new facility will focus strictly on prototyping. Meanwhile, the company’s existing facility in Atlanta, Georgia, will shift its primary focus to manufacturing and production at scale. This geographic division of labor is designed to streamline the transition from experimental design to deployable hardware.
The Founder’s Vision: Combating Risk Aversion
In his April 7 Founder’s Note, CEO AJ Piplica outlined the philosophical drivers behind Hermeus’ rapid progress. He emphasized a return to the roots of American aerospace innovation, which relies on taking “smart risks” to rapidly advance aviation capabilities.
Piplica addressed the broader cultural challenges within the aerospace sector, noting that bureaucratic caution has stifled technological leaps.
“The open secret in aviation is that we’ve become so afraid of risk, we’ve analyzed our way out of speed.”
Highlighting the company’s hardware-first execution model, Piplica pointed to Hermeus’ tangible milestones over a compressed timeline.
“In three years, we built three vehicles across our locations in Atlanta, Los Angeles, and Jacksonville, and flew two new jets 9 months apart in California and New Mexico.”
He concluded by describing the Series C funding as a “mandate to build, fly, and deliver products for our customer, the American warfighter.”
The Broader Hypersonic Landscape
Meeting the Department of Defense’s Needs
The Hermeus funding round arrives at a critical juncture for U.S. defense spending. Industry data indicates that the U.S. Department of Defense has requested $6.5 billion for hypersonic weapons and platforms in FY2026. This budget reflects an urgent strategic need to counter adversarial advancements from nations like China and Russia. High-Mach unmanned aircraft offer the military the ability to execute intelligence missions or provide tactical support at unprecedented speeds with zero risk to human pilots.
Competitive Differentiation
While the hypersonic sector is growing, Hermeus maintains a distinct technological approach. Competitors such as Venus Aerospace (which has raised over $106 million) and Destinus (which has raised $430 million) are also targeting hypersonic speeds, but they largely rely on rocket or hydrogen propulsion systems. According to industry research, Hermeus differentiates itself by utilizing turbine-based combined cycle (TBCC) engines. This propulsion choice allows Hermeus aircraft to take off and land on traditional runways just like conventional jets, offering significant operational flexibility for the DoD.
AirPro News analysis
We at AirPro News view the structure of this Series C round as a watershed moment for defense technology startups. The inclusion of $150 million in debt investments alongside traditional venture equity is highly unusual for a hardware-focused defense startup. It serves as a strong signal of lender confidence in Hermeus’ maturity and its clear, viable path toward commercial production. Furthermore, Hermeus’ “build-fly-iterate” model, demonstrated by a mere 9-month turnaround between new jet flights, stands in stark contrast to the decades-long, highly bureaucratic development cycles typical of legacy prime defense contractors. By utilizing TBCC engines for traditional runway operations, Hermeus is positioning itself to provide an asymmetric advantage to the U.S. military without requiring specialized launch infrastructure.
Frequently Asked Questions
What is Hermeus’ current valuation?
Following the $350 million Series C funding round announced on April 7, 2026, Hermeus has achieved a post-money valuation of $1 billion, granting it “unicorn” status.
How does Hermeus differentiate its aircraft from competitors?
Unlike competitors that rely on rocket or hydrogen propulsion, Hermeus uses turbine-based combined cycle (TBCC) engines. This allows their high-Mach aircraft to take off and land on standard runways, integrating seamlessly into existing aviation infrastructure.
What is the Quarterhorse program?
Quarterhorse is Hermeus’ unmanned flight test program. The company is currently scaling the program to a fleet of three F-16-scale aircraft, with iterations planned to reach Mach 3 speeds.
Sources: Hermeus
Photo Credit: Hermeus
Defense & Military
GALT Aerospace Acquires North Star Scientific Corporation
GALT Aerospace acquires Hawaii-based North Star Scientific, adding C3ISR hardware for key U.S. military aviation platforms.
Defense technology provider GALT Aerospace announced the acquisitions of Hawaii-based North Star Scientific Corporation on June 15, 2026, expanding its portfolio of command and control hardware for military-aircraft platforms.
The transaction marks the first add-on acquisition for San Diego-based GALT Aerospace since private equity firm Godspeed Capital Management purchased the company in March 2026. According to the press release issued by GALT Aerospace, the integration of North Star Scientific Corporation (NSS) will diversify the company’s installed base across high-priority United States military programs.
Expanding C3ISR capabilities
Founded in 2001 in Kapolei, Hawaii, NSS specializes in Command, Control, Communications, Intelligence, Surveillance, and Reconnaissance (C3ISR) hardware. The acquisition brings high-power radio frequency (RF) amplifiers, transmitters, next-generation antennas, and electronically scanned arrays into the GALT Aerospace product line.
These components are currently integrated into several major military aviation platforms. Supported aircraft include the Northrop Grumman E-2D Advanced Hawkeye, the Boeing E-3 Sentry, and the Boeing EA-18G Growler. The hardware also supports the Multifunctional Information Distribution System Joint Tactical Radio System (MIDS JTRS).
Alongside its Hawaiian headquarters, NSS recently established a manufacturing center in Oklahoma City, Oklahoma, to support production demands.
Strategic integration and defense contracts
The acquisition aligns with Godspeed Capital’s stated goal of building GALT Aerospace into a foundational defense technology platform. NSS holds established relationships with key defense organizations, including the U.S. Air Force, Naval Air Systems Command (NAVAIR), Naval Sea Systems Command (NAVSEA), and the Office of Naval Research (ONR).
“This acquisition represents another meaningful step in building a market-leading defense technology platform and diversifying GALT’s program base within a highly strategic and complementary customer set,” said Mike Roualet, Principal at Godspeed Capital.
GALT Aerospace CEO John Kohut stated the company intends to leverage the NSS team to deliver high-reliability C3ISR solutions to the national security community.
AirPro News analysis
While the official announcement headline characterized the transaction as a “Strategic Partnerships,” the body of the release and statements from Godspeed Capital explicitly define the move as an acquisition. We view this as standard private equity terminology management, where buyouts are often framed as partnerships to maintain continuity at the acquired firm. The rapid execution of this purchase, coming just three months after Godspeed Capital acquired GALT Aerospace, indicates an aggressive roll-up strategy aimed at consolidating mid-tier C3ISR suppliers for the U.S. Department of Defense.
Sources: GALT Aerospace via Business Wire
Photo Credit: North Star Scientific
Defense & Military
B-52 Stratofortress Crashes at Edwards Air Force Base
A USAF B-52 carrying eight personnel crashed after takeoff from Edwards AFB on June 15, 2026, during a routine test mission.
This is a developing story. Information may change as official details are released.
A United States Air Force Boeing B-52 Stratofortress carrying eight personnel crashed shortly after takeoff from Edwards Air Force Base (EDW) in California on June 15, 2026. The 412th Test Wing Public Affairs office confirmed the accident occurred during a routine test mission at 18:20 UTC (11:20 a.m. PDT).
In a press release, the military stated that initial indications suggest the crash was not survivable. Emergency response personnel immediately deployed to the scene, and base officials are working to account for all individuals on board. The cause of the crash is under investigation by the United States Air Force.
Emergency response and base operations
Following the crash, Edwards Air Force Base suspended normal flight operations. According to reporting by the Los Angeles Times, the airfield was closed to inbound traffic, with arriving aircraft diverted to other facilities. Base officials also suspended non-commercial visitor passes to focus entirely on emergency response operations.
Radar tracking data analyzed by The Washington Post indicated the aircraft initially flew northeast after takeoff before gradually turning further north. The data showed the bomber experiencing a descent rate of 5,000 feet per minute in its final seconds. A press conference is scheduled for 23:15 UTC (4:15 p.m. PDT) to provide further updates.
Fleet context and recent military aviation occurrences
The B-52 Stratofortress is a primary component of the United States strategic bomber fleet. According to Air & Space Forces Magazine, the average age of the B-52 fleet is 64 years, and the Air Force plans to keep the aircraft in service until 2050. The publication noted that a B-52 recently arrived at Edwards Air Force Base in December to begin testing an upgraded radar system, though it remains unconfirmed if that specific airframe was involved in the June 15 accident.
This marks the first loss of a B-52 since 2016, when a bomber was destroyed following a rejected takeoff at Andersen Air Force Base in Guam. In that incident, all crew members evacuated safely.
The Edwards Air Force Base crash follows two other military aviation accidents in recent weeks. Task & Purpose reported that two United States Navy EA-18G Growlers collided midair during an airshow at Mountain Home Air Force Base on May 17, 2026, and a United States Marine Corps F/A-18 Hornet crashed near Mount Rainier during a training flight on June 13, 2026.
AirPro News analysis
The loss of a B-52 Stratofortress represents a significant reduction in a finite strategic asset. Because the production line closed in the early 1960s, the United States Air Force cannot replace lost airframes, making the preservation of the remaining fleet critical to the 2050 service life goal. We expect the investigation to heavily scrutinize whether the aircraft’s specific test configuration played any role in the flight dynamics observed in the radar data. Given the concentration of developmental testing at Edwards Air Force Base, a grounding or operational pause for the B-52 test fleet could delay ongoing modernization programs, including the radar and engine replacement initiatives.
Sources: 412th Test Wing Public Affairs
Photo Credit: KKTV
Defense & Military
Airbus and SkyFall Sign MoU to Integrate Ukrainian Drone Interceptors
Airbus Defence and Space and SkyFall signed an MoU at ILA 2026 to link Ukrainian P1-SUN interceptors with the Airbus Air C2 system.
Airbus Defence and Space and Ukrainian technology firm SkyFall signed a Memorandum of Understanding (MoU) on June 12, 2026, to integrate combat-tested drone interceptors into European command-and-control networks. The agreement, finalized at the International Aerospace Exhibition (ILA) in Berlin, aims to build a multi-layered air defence ecosystem capable of countering high-volume drone and missile strikes.
Announced via an Airbus press release, the strategic alliance pairs Ukrainian interceptor hardware with the Airbus Air C2 (Command and Control) system. The signing ceremony was attended by German Federal Minister of Defence Boris Pistorius and Airbus Defence and Space CEO Michael Schoellhorn, underscoring the political and strategic weight of the partnership within the European defence sector.
Integrating combat-tested technology
SkyFall brings direct battlefield experience to the partnership. According to the company’s statement in the press release, SkyFall interceptors have neutralized approximately 10,000 Russian drones in live combat environments. This operational history provides validated data on the effectiveness of the Ukrainian hardware in countering saturation aerial threats.
According to reporting by Ukrainska Pravda, the technical integration focuses specifically on linking SkyFall’s P1-SUN interceptors with the Airbus Air C2 architecture. This combination is designed to bridge the gap between rapid-cycle innovation developed under wartime conditions and traditional, large-scale European defence systems.
Schoellhorn noted that countering modern saturation attacks requires technological agility, multinational interoperability, and the deployment of battle-tested capabilities.
“Combining Airbus’ system-of-systems and C2-expertise – especially in integrated air and missile defence (IAMD) – with Ukraine’s invaluable combat insights and field-proven technologies, is another building block in creating a resilient, multi-layered air defence ecosystem – at the speed of the modern battlefield,” Schoellhorn said in the release.
Expanding European air defence networks
The SkyFall agreement is part of a broader push by Airbus to consolidate and modernize integrated air and missile defence (IAMD) capabilities across Europe. During the same week at ILA 2026, Airbus signed parallel agreements with other defence contractors to expand its technological ecosystem.
On June 10, 2026, Airbus and Diehl Defence formalized an agreement to intensify cooperation in IAMD. The following day, on June 11, 2026, Airbus partnered with Alta Ares to integrate counter-unmanned aerial system (C-UAS) solutions into the Airbus Fortion IBMS battle management suite.
Together, these alliances indicate a strategic shift toward modular air shields capable of addressing threats ranging from small, low-cost drones to advanced ballistic missiles.
AirPro News analysis
We view the Airbus and SkyFall MoU as a critical indicator of how the European defence sector is adapting to the realities of modern warfare. Traditional aerospace procurement cycles often take years, but the integration of SkyFall’s P1-SUN interceptors demonstrates a willingness by legacy primes to adopt rapid-cycle, field-proven technology. By plugging Ukrainian hardware directly into the Airbus Air C2 system, European nations can bypass lengthy development phases for drone interception and focus on scaling production and software integration. This approach bolsters immediate continental defence while providing Ukrainian defence firms with a viable pathway into the broader NATO procurement ecosystem.
Sources: Airbus
Photo Credit: Airbus
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