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Hermeus Quarterhorse Mk 2.1 Achieves Mach 1.21 Supersonic Flight

Hermeus reached Mach 1.21 with the Quarterhorse Mk 2.1 on May 26, 2026, backed by a $219M DIU contract.

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Hermeus achieved its first uncrewed supersonic flight on May 26, 2026, when the Quarterhorse Mk 2.1 reached Mach 1.21 over the White Sands Missile Range in New Mexico. The flight testing was conducted from Spaceport America.

The milestone flight, detailed in a series of company press releases, coincided with a $159 million contracts modification from the Defense Innovation Unit (DIU) announced on May 28, 2026. The expanded agreement raises the total contract ceiling to $219 million, funding further high-Mach flight and high-speed payload release demonstrations for the U.S. Air Force (USAF) and U.S. Navy (USN).

Supersonic flight and rapid prototyping

The Quarterhorse Mk 2.1 reached supersonic speeds on its third test flight. The event occurred exactly 364 days after the maiden flight of the company’s first aircraft, the Mk 1. Hermeus is utilizing a rapid iteration strategy, with the Mk 2.1 serving as the first of three planned F-16-scale supersonic uncrewed aircraft. Subsequent variants, designated Mk 2.2 and Mk 2.3, are slated for future testing.

The Quarterhorse Mk 2.1 is powered by a Pratt & Whitney F100 engine. Former Chief Executive Officer AJ Piplica stated that the U.S. Department of Defense is closely monitoring the program’s speed and development timeline.

“This flight demonstrates a pace of execution that is extremely rare in modern aviation,” Piplica said. “This program is about moving high-Mach capability out of the lab and into an operationally relevant environment. By delivering flight-ready aircraft and demonstrating payload release at speed, we will prove this technology can create a decisive military advantage on a timeline that matters.”

Defense Innovation Unit contract expansion

The financial backing from the DIU underscores growing military interest in operationalizing hypersonic and high-Mach technologies. The $159 million modification secures funding for flight tests scheduled throughout 2026 and 2027.

Major General Joe “Solo” Kunkel, Military Deputy for the DIU, emphasized the strategic necessity of the technology for future military operations.

“As you look towards the future, and the military problems we’re facing, the issues are generally around time and distance, and how do you get to these far-off places at a timeframe that matters,” Kunkel said. “I care about the warfighting capability, providing advantage to our partners and us in the fight, and making sure that we can walk into every fight with swagger.”

Executive leadership transition

To manage the transition from prototyping to scaled operations, Hermeus restructured its executive team in mid-2026. Zach Shore assumed the role of Chief Executive Officer on June 1, 2026, succeeding co-founder AJ Piplica, who transitioned to Executive Chairman. The company subsequently appointed Sameer Rao as Chief Financial Officer on July 22, 2026.

Shore noted that the company is managing more parallel lines of effort than at any previous point in its history. He stated his focus remains on delivering capabilities to the military by executing flight campaigns and scaling the business effectively. The leadership changes follow a $350 million Series C funding round, bringing the total private capital raised by Hermeus to more than $500 million.

AirPro News analysis

The 364-day turnaround between the maiden flight of the Quarterhorse Mk 1 and the supersonic flight of the Mk 2.1 validates the hardware-rich, rapid-iteration approach Hermeus has championed. We view the $159 million DIU contract modification as a strong signal that the U.S. Department of Defense is willing to bypass traditional, decades-long procurement cycles in favor of venture-backed aerospace models. By utilizing proven propulsion systems like the Pratt & Whitney F100 engine in uncrewed, scalable airframes, Hermeus reduces developmental risk while accelerating the timeline for fielding high-speed payload delivery systems.

Sources: Hermeus

Photo Credit: Hermeus

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Defense & Military

US Approves $425M MH-60R Seahawk Sale to Denmark

The U.S. approved a $425M sale of three MH-60R Seahawk helicopters to Denmark, expanding its fleet to 12 aircraft.

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The U.S. Department of State approved a $425 million Foreign Military Sale (FMS) to the Government of Denmark on September 22, 2026, authorizing the procurement of three additional Sikorsky MH-60R Seahawk multi-mission helicopters. The acquisition will expand the Royal Danish Air Force (RDAF) fleet to 12 aircraft, bolstering the nation’s anti-submarine warfare (ASW) and maritime surveillance capabilities across the Baltic Sea, North Atlantic, and Arctic regions.

According to the Defense Security Cooperation Agency (DSCA) press release, the principal contractors for the procurement will be Lockheed Martin Corporation and its subsidiary, Sikorsky Aircraft Corporation. The approval marks a continuation of Denmark’s ongoing effort to modernize its rotary-wing maritime strike and reconnaissance forces.

Equipment package and strategic capabilities

The $425 million package includes the three airframes, T700-GE-401D engines, and the AN/AQS-22 Advanced Low Frequency Sonar (ALFS). Naval Technology reported that the deal also encompasses eight embedded global positioning and navigation equipment systems and three digital magnetic anomaly detection systems, which are critical for locating submerged submarines.

The U.S. Department of State outlined the strategic intent of the procurement in its official announcement, emphasizing regional stability and infrastructure protection.

“The proposed sale will improve Denmark’s capability to meet current and future threats by providing increased security for its critical infrastructure. Denmark will use the enhanced capability to strengthen its homeland defence.”

The department added that the RDAF will have no difficulty integrating the new aircraft and associated services into its existing armed forces structure.

Fleet expansion and Arctic security

Denmark placed its initial order for nine MH-60R helicopters in 2012, with deliveries occurring between 2016 and 2018. Janes reported that the current fleet is operated by Eskadrille 723 out of Karup airbase. Defensemirror.com noted that Denmark is actively upgrading these existing aircraft into a dedicated ASW force, equipping them with sonar systems and Mark 54 torpedoes to anchor the country’s northern defense strategy.

The helicopter procurement aligns with expanding security cooperation between the United States and Denmark. The Times of India reported that on September 22, 2026, the two nations signed a separate security agreement at the United Nations General Assembly regarding Greenland. This concurrent agreement allows the U.S. military to modernize and expand its activities at Pituffik Space Base, further integrating the defense postures of both nations in the high north.

AirPro News analysis

We view this procurement as a direct response to the shifting security architecture in the Baltic and Arctic theaters. By expanding its MH-60R fleet and standardizing on the AN/AQS-22 ALFS and magnetic anomaly detection systems, Denmark is transitioning its rotary-wing maritime force from a primary focus on surface surveillance and search-and-rescue to high-end anti-submarine warfare. The concurrent agreement regarding Pituffik Space Base underscores a coordinated NATO effort to secure the Greenland-Iceland-United Kingdom (GIUK) gap against subsurface threats, placing the RDAF’s expanded Seahawk fleet at the center of allied maritime domain awareness.

Sources: U.S. Department of State

Photo Credit: U.S. Department of State

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Defense & Military

BAE Systems Australia and Skyryse Sign Autonomy MoU

BAE Systems Australia and Skyryse sign an MoU to integrate SkyOS and VMS for autonomous and optionally piloted aircraft.

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BAE Systems Australia and California-based aviation technology firm Skyryse have signed a Memorandum of Understanding (MoU) to integrate their respective flight control technologies, targeting the development of next-generation autonomous and optionally piloted Commercial-Aircraft.

In a press release issued on September 23, 2026, the companies confirmed that Skyryse’s software-defined SkyOS will serve as the preferred aircraft operating system and flight control logic provider for joint projects. These projects will utilize BAE Systems Australia’s Vehicle Management System (VMS) to address growing demand across government, defense, and commercial sectors for modernized, highly automated fleets.

Integrating SkyOS and VMS architectures

The partnership brings together two distinct approaches to flight automation. BAE Systems Australia has spent 40 years developing sovereign autonomy technologies through its VMS architecture. By pairing this hardware and systems integration experience with Skyryse’s software platform, the companies intend to develop capabilities for both rotary and fixed-wing aircraft, including future clean-sheet designs.

Andrew Gresham, Managing Director of Defence Delivery for BAE Systems Australia, stated that the collaboration will allow the defense contractor to leverage its decades of VMS development to grow collective opportunities in the autonomous aircraft market.

“Together, Skyryse’s Software-defined SkyOS and BAE Systems Australia’s Vehicle Management System bring complementary capabilities that can help deliver the next generation of optionally piloted and autonomous aircraft for our customers in an increasingly competitive and evolving environment,” Gresham said.

Skyryse designed SkyOS to combine human-rated flight software with autonomous capabilities within a certifiable platform. Mark Groden, Founder and CEO of Skyryse, noted that software is becoming the defining technology in aviation as operators look to accelerate the adoption of autonomous capabilities.

Expanding autonomous capabilities in defense and commercial sectors

Both companies bring recent momentum in uncrewed and highly automated flight to the MoU. In April 2025, BAE Systems Australia entered into a 10-year agreement with Boeing Defence Australia to integrate its VMS into the MQ-28 Ghost Bat uncrewed aircraft. The Ghost Bat program represents a major push into collaborative combat aircraft for the defense sector.

Skyryse has similarly expanded its footprint in both defense and civil aviation. In June 2026, the company announced a Partnerships with Robinson Helicopter Company to integrate SkyOS into the Robinson R66, aiming to develop a Group 4 unmanned aircraft system (UAS) for defense applications. Earlier in the year, on March 5, 2026, Skyryse revealed plans to introduce a universal emergency autoland capability for Helicopters and airplanes directly within the SkyOS architecture.

The California firm is backed by significant capital to fund its certification efforts. In February 2026, Skyryse closed a Series C funding round that raised $300 million, bringing the company’s valuation to over $1.15 billion.

AirPro News analysis

We view this Memorandum of Understanding as a clear indicator of how traditional defense primes are adapting to the rapid pace of software development in the aviation sector. By partnering with a well-funded technology firm like Skyryse, BAE Systems Australia can potentially bypass the lengthy internal development cycles typically required for next-generation flight control logic. Skyryse gains a highly credible, established defense partner to help validate and scale its SkyOS platform beyond civil applications.

The explicit mention of “certifiable” software highlights the primary hurdle for autonomous aviation. The industry has proven that uncrewed flight is technically feasible, but certifying those systems for mixed airspace and human-rated operations remains the critical bottleneck. This partnership appears structured specifically to tackle that Certification challenge by combining BAE Systems Australia’s systems engineering rigor with Skyryse’s software architecture.

Sources: BAE Systems Australia

Photo Credit: BAE Systems Australia

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U.S. Navy Tests CAMP Autonomous Mission Planning Software

The Navy’s CAMP system converts human mission plans into autonomous aircraft instructions, tested at Point Mugu in 2026.

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The U.S. Navy has successfully demonstrated software that translates human-generated mission plans directly into executable instructions for autonomous combat aircraft, a capability designed to reduce operator workload and accelerate the integration of uncrewed systems into fleet operations.

In a press release issued on September 22, 2026, the Navy announced the successful test of its Collaborative Autonomy Mission Planning (CAMP) system. The demonstration took place during the Gray Flag 2026 test event at the Point Mugu Sea Range in California, utilizing a single General Atomics Aeronautical Systems Inc. (GA-ASI) MQ-20 Avenger as a surrogate aircraft.

Bridging human planning and autonomous execution

The CAMP software allows mission planners to use the established Collaborative Mission Planning Continuum (CMPC) to direct autonomous platforms. This eliminates the requirement to manually translate operational plans into platform-specific code, a process that traditionally requires significant time and specialized technical knowledge.

Capt. Todd “Toby” Keith, Program Manager for the Navy’s Strike Planning & Execution Systems (PMX-281), stated that the demonstration connected current mission planning methods with future autonomous execution.

“CAMP is about making autonomy more usable by integrating into mission environments with both manned and unmanned platforms,” Keith said. “This demonstration showed how we can connect the way operators plan missions today in the CMPC with the way autonomous aircraft will execute those missions. That can reduce the burden on our operators, improve interoperability and help bring collaborative autonomy closer to operational use.”

Building on previous autonomous combat tests

The September 2026 demonstration builds upon the Navy’s Experimental Platform for Intelligent Combat (EPIC) initiative. In September 2025, the Navy partnered with Shield AI under the EPIC program to pilot a Kratos Defense & Security Solutions BQM-177A target drone in GPS-denied environments using the company’s Hivemind technology.

The U.S. military is actively expanding its deployment of uncrewed systems in combat scenarios. In July 2026, the U.S. 5th Fleet’s Task Force 59 utilized three Corsair unmanned surface vessels to strike a submarine and maintenance facility at the Bandar Abbas naval base in Iran. This marked the first time American forces employed sea drones in active combat operations.

The MQ-20 Avenger utilized in the Point Mugu test also serves as a testbed for the U.S. Air Force’s Collaborative Combat Aircraft (CCA) program. This dual usage highlights cross-service efforts to develop uncrewed platforms capable of operating alongside human-piloted fighters.

AirPro News analysis

The successful CAMP demonstration represents a critical step in solving one of the primary bottlenecks in autonomous warfare: the human-machine interface. While autonomous flight control has matured significantly, the administrative and technical burden of programming these aircraft for specific, dynamic missions has remained high. By allowing operators to use existing planning architectures like the CMPC, the Navy is lowering the barrier to entry for deploying uncrewed assets.

Questions remain regarding scalability and deployment timelines. The Navy has not publicly disclosed when the CAMP system will reach operational fleet units. The software has currently only been publicly tested on a single MQ-20 surrogate. We expect future testing will need to demonstrate the system’s ability to handle multiple, disparate autonomous platforms simultaneously before it can be considered ready for complex, multi-domain combat environments.

Sources: U.S. Navy

Photo Credit: U.S. Navy

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