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Hydroplane Secures Phase 2 SBIR Contract for Army Hydrogen Aviation

Hydroplane Ltd. received a Phase 2 SBIR contract from the U.S. Army to develop hydrogen fuel cell propulsion for military vertical lift aircraft.

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This article is based on an official press release from Hydroplane Ltd., supplemented by a comprehensive April 2026 research report on the company’s defense contracts.

U.S. Army Advances Hydrogen Aviation with Hydroplane Phase 2 Contract

On April 2, 2026, Los Angeles-based aerospace Startups Hydroplane Ltd. announced it had secured a Phase 2 Small Business Innovation Research (SBIR) contract from the U.S. Army. According to the company’s press release, the contract provides funding to scale and integrate Hydroplane’s modular Hydrogen fuel cell electric propulsion system specifically for military vertical lift platforms, which include Helicopters and unmanned cargo Drones.

The award marks a significant milestone in the U.S. military’s broader strategic initiative to adopt energy-resilient and logistically independent power systems. By transitioning from traditional combustion engines to hydrogen fuel cells, the Army aims to enhance the operational stealth and survivability of its next-generation combat and logistics aircraft.

Hydroplane, a minority woman-owned small business founded in 2020, has been steadily building a portfolio of defense Contracts. This latest Phase 2 award transitions the company from the feasibility studies of Phase 1 into the critical stages of developing, prototyping, and testing an engineering model for operational deployment.

Scaling Hydrogen Propulsion for Military Aviation

The Phase 2 SBIR Contract Details

The primary objective of the Phase 2 SBIR contract is to prepare Hydroplane’s hydrogen-electric propulsion technology for real-world military application. According to the provided research report, the Army is targeting vertical lift platforms to benefit from the unique advantages of hydrogen fuel cells. These systems generate electricity through an electrochemical reaction between hydrogen gas and oxygen, emitting only electricity, water, and heat.

In the official press release, Hydroplane’s leadership emphasized the rapid development cycle enabled by the SBIR program.

“Hydroplane is honored to continue supporting the U.S. Army in advancing next-generation propulsion technologies. This Phase 2 award highlights how small business innovation can drive rapid, cost-effective deployment of cutting-edge solutions that directly enhance mission capability and operational success.” — Dr. Anita Sengupta, Founder and CEO of Hydroplane.

A Multi-Year Army Partnership

The April 2026 contract is the culmination of a multi-year relationship between Hydroplane and the U.S. Army. Based on the research report timeline, the Partnerships began in May 2024 when Hydroplane won the Army’s xTechSearch 8 competition. During that event, the company pitched a 500-kilowatt zero-carbon emission hydrogen fuel cell powerplant designed for Army vertical lift and unmanned aerial vehicle (UAV) platforms.

Following a Phase 1 SBIR award in November 2024 to define performance capabilities, Hydroplane achieved a major technical milestone in July 2025. The company successfully demonstrated full rotor flight speed on a hydrogen fuel cell-powered rotor transmission test stand. The research report notes that this test integrated their electric-propulsion system with a 23-foot rotor, proving stable operation at flight-representative speeds and paving the way for the current Phase 2 scaling effort.

Why the U.S. Military is Pivoting to Hydrogen

Overcoming the Limits of Battery-Electric Flight

To understand the Army’s investment in hydrogen, it is necessary to contrast the technology with battery-electric systems. While battery-electric vertical takeoff and landing (eVTOL) aircraft offer quiet operation, the extreme weight of batteries severely limits their utility in military contexts. According to industry data cited in the research report, battery-powered aircraft are typically restricted to short flights of 20 to 30 minutes.

Hydrogen, by contrast, offers a significantly higher energy density per unit mass. The research report indicates that hydrogen allows aircraft to fly two to three times further and carry substantially heavier payloads than their battery-powered equivalents. Dr. Sengupta highlighted this disparity in a February 2026 interview:

“In aviation, weight is everything. Batteries are heavy and can do short hops, but once you start talking about meaningful range and quick turnaround, the numbers just don’t work… Hydrogen-fuel-cell–powered electric propulsion gives you much higher energy density.”

Stealth and Contested Logistics

Beyond range and payload, hydrogen fuel cells offer distinct tactical advantages over traditional diesel or jet fuel combustion engines. Because fuel cells have no moving combustion parts, they produce a near-silent acoustic signature and a drastically lower thermal signature. This reduction in detectability makes aircraft harder to target with heat-seeking weapons, directly improving warfighter survivability.

Furthermore, the military is actively seeking solutions for “contested logistics.” Traditional fuel convoys and depots are highly vulnerable to adversary attacks. The research report highlights that the military is exploring technologies to generate hydrogen on-demand at the tactical edge, such as extracting it from water or aluminum alloys, allowing forward-deployed units to refuel without relying on dangerous, extended supply lines.

Leadership and Cross-Branch Traction

Dr. Anita Sengupta’s Aerospace Pedigree

Hydroplane’s technical direction is spearheaded by its CEO, Dr. Anita Sengupta. The research report details her extensive background as an aerospace engineer, commercial pilot, and former NASA engineer. During a 16-year tenure at NASA’s Jet Propulsion Laboratory (JPL), Dr. Sengupta contributed to high-profile space missions, including the Mars Curiosity rover, Deep Space 1, and the Dawn spacecraft. She also previously served as Senior Vice President of Systems Engineering at Virgin Hyperloop, bringing a wealth of complex systems integration experience to the defense sector.

Expanding Defense Footprint

The U.S. Army is not the only branch of the Department of Defense investing in Hydroplane’s technology. According to the research report, the company has secured contracts across multiple military branches:

  • U.S. Air Force: Hydroplane was awarded Phase 1 and Phase 2 contracts under the Agility Prime program, which resulted in the development of a 120-kilowatt aviation hydrogen electric propulsion powerplant.
  • U.S. Navy: The company secured a Phase 1 SBIR contract to develop a hydrogen fuel cell ground power unit tailored for the U.S. Marine Corps, specifically designed for use in contested logistics environments.

AirPro News analysis

We note that Hydroplane’s expanding footprint within the Department of Defense underscores a critical shift in military procurement strategies. The Pentagon is increasingly looking to agile, small businesses to solve complex logistical and tactical vulnerabilities that legacy defense contractors have been slow to address. The Army’s investment in Hydroplane aligns perfectly with the broader Army Climate Strategy, which seeks to electrify the force while simultaneously solving the “range anxiety” inherent in battery-electric aviation.

By focusing on hydrogen fuel cells, the Army is not merely pursuing “green” technology for environmental reasons; it is actively weaponizing energy resilience. If Hydroplane can successfully scale its 500-kilowatt powerplant for heavy-lift drones and helicopters, it could fundamentally alter how forward operating bases are supplied, reducing the need for the vulnerable liquid fuel convoys that have historically cost American lives in asymmetric conflicts.

Frequently Asked Questions (FAQ)

What is a Phase 2 SBIR contract?
The Small Business Innovation Research (SBIR) program is a highly competitive U.S. government initiative. A Phase 2 contract typically provides funding to develop, prototype, and test an engineering model based on the feasibility established during a Phase 1 award.

Why is hydrogen better than batteries for military aircraft?
Hydrogen has a much higher energy density per unit mass compared to batteries. This allows hydrogen-powered aircraft to fly two to three times further and carry heavier payloads, which is critical for military logistics and combat operations.

What are the tactical benefits of hydrogen fuel cells?
Hydrogen fuel cells produce electricity without combustion, resulting in a near-silent acoustic signature and a very low heat signature. This makes the aircraft much harder for adversaries to detect and target.

Sources:
Hydroplane Ltd. Official Press Release

Photo Credit: Hydroplane

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Defense & Military

NSPA Issues RFP for NATO Next Generation Rotorcraft Program

NSPA formally launches the NGRC Concept Design RFP, with four manufacturers competing for a six-nation helicopter replacement program.

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The NATO Support and Procurement Agency (NSPA) has formally issued a Request for Proposal for the Concept Design phase of the Next Generation Rotorcraft Capability program, advancing a six-nation effort to replace aging medium multi-role Helicopters fleets.

Announced in a press release on August 10, 2026, the procurement targets a service entry between 2035 and 2040. The NSPA is managing the process on behalf of Canada, France, Germany, Italy, the Netherlands, and the United Kingdom. Four pre-qualified Manufacturers will compete in this phase: Airbus Helicopters, Leonardo Helicopters, The Boeing Company, and Sikorsky.

Advancing the concept design phase

The Request for Proposal (RFP) officially opened on July 31, 2026, and requires the four bidders to submit their concept design proposals by August 31, 2027, at 12:00 Paris Time. Under the procurement guidelines, each manufacturer can propose a maximum of two concept design solutions.

Maxime Martinez, Principal Procurement Officer for the Next Generation Rotorcraft Capability (NGRC) Programme at NSPA, confirmed the launch of the new phase.

I am pleased to announce that the NATO Support and Procurement Agency (NSPA) has launched the next phase of the Next Generation Rotorcraft Capability (NGRC) Programme: a formal Request for Proposals (RFP) to qualified bidders linked to the competition for the Concept Design phase of NGRC.

The NSPA is utilizing a procurement mechanism called Acquisition by Qualified Options. This framework allows the participating nations to evaluate digital trials within an in-house modeling and simulation environment before committing to physical prototypes. The agency plans to complete the bid evaluation process by the end of 2027, at which point it will deliver an evaluation summary report to the participating nations.

Industry positioning and proposals

The four pre-qualified bidders, selected following a Pre-Qualification Assessment that closed in October 2025, have already begun positioning their offerings for the multi-national replacement program.

In February 2026, Airbus Helicopters revealed two distinct concepts for the NGRC study. The European manufacturer is developing both a high-performance conventional helicopter and a high-speed compound rotorcraft that leverages technology from its Racer demonstrator program. Sikorsky, a Lockheed Martin company, announced in July 2026 that it would establish helicopter production facilities in Europe if the partner nations select its proposal.

The NSPA is encouraging broader industry participation through the primary bidders rather than direct submissions. Martinez stated that potential suppliers, technology providers, and industrial partners should engage directly with Airbus Helicopters, The Boeing Company, Leonardo Helicopters, or Sikorsky to contribute to the program.

AirPro News analysis

We view the NSPA decision to utilize the Acquisition by Qualified Options mechanism as a critical step in mitigating the technical and financial risks historically associated with clean-sheet rotorcraft development. By mandating digital trials in a simulated environment before advancing to physical prototypes, the participating nations can rigorously evaluate the aerodynamic and operational viability of complex designs, such as the compound concept proposed by Airbus Helicopters.

Sikorsky’s preemptive commitment to European production highlights the intense political and economic stakes of the NGRC program. With five European nations and Canada funding the development, North American bidders like Sikorsky and The Boeing Company will likely need to guarantee substantial industrial offsets and local manufacturing to remain competitive against indigenous European prime contractors like Airbus and Leonardo. The requirement for up to two concepts per bidder also provides the NSPA with a broad spectrum of conventional and advanced high-speed rotorcraft options to evaluate against the harmonized operational baseline.

Sources: NATO Support and Procurement Agency (NSPA)

Photo Credit: Airbus

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HAL and Safran Sign Aravalli Engine Co-Development Contract

HAL and Safran finalize the Aravalli engine contract via SAFHAL JV to power India’s IMRH and DBMRH helicopters by 2032-2033.

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Hindustan Aeronautics Limited (HAL) and Safran Helicopter Engines have finalized a contract to co-develop the new-generation Aravalli engine, marking a definitive shift in Indian aerospace manufacturing from licensed production to indigenous propulsion design.

The agreement, signed on August 26, 2026, in Bengaluru, India, formalizes the design, development, manufacture, and lifecycle support of the engine through SAFHAL Helicopter Engines Pvt. Ltd. SAFHAL is a 50:50 joint venture between the two aerospace manufacturers. The Aravalli engine is slated to power India’s future 13-ton Indian Multi-Role Helicopter (IMRH) and its naval variant, the Deck-Based Multi-Role Helicopter (DBMRH).

Technical specifications and manufacturing

The Aravalli engine will operate in the 3,500 to 4,000 shaft horsepower (shp) class. Under the terms of the agreement, HAL will gain access to core engine technologies, including the high-pressure compressor, power turbine, and accessory gearbox. This technology transfer is designed to build domestic intellectual property and expertise in high-power engine design.

Manufacturing operations for the Aravalli program will be based at HAL’s facility in Tumakuru, Karnataka. Safran Helicopter Engines Chief Executive Officer Cédric Goubet noted the precedent set by the agreement in a press release issued by HAL.

“This is the first time Safran HE has taken up such a class of engine as co-development. The Aravalli engine programme represents a new chapter in the strategic relationship between France and India, combining the expertise of our teams to develop propulsion systems for future Indian rotorcraft.”

Development timeline and strategic shift

The final contract follows a multi-year negotiation and planning phase. HAL and Safran initially signed a Memorandum of Understanding for the project in July 2022, followed by detailed workshare discussions at Aero India in February 2023. The companies executed an airframer contract on August 30, 2024, to commence joint design work.

The design and development phase is targeted for completion between 2032 and 2033. Once operational, the IMRH platform is intended to replace the Indian Air Force’s aging fleet of Mil Mi-17 Helicopters. HAL Chairman and Managing Director Ravi K emphasized the domestic industrial impact of the program.

“The signing of this contract marks a significant step forward in India’s pursuit of self-reliance in aero-engine technologies. Through this collaborative programme with SAFHAL and Safran Helicopter Engines, we are creating a strong foundation for powering next-generation Indian helicopter platforms.”

AirPro News analysis

The Aravalli engine contract represents a critical maturation point for India’s defense aviation sector. Historically, Indian aerospace manufacturing has relied heavily on licensed production of foreign designs, which limits domestic engineering capability and intellectual property ownership. By securing a 50:50 co-development structure that includes core engine components like the high-pressure compressor and power turbine, we view this agreement as a foundational step toward true Propulsion independence for the Indian military. If the 2032 to 2033 development timeline holds, HAL will be positioned not just as an assembler, but as a primary original equipment Manufacturers (OEMs) for high-power rotorcraft engines.

Sources: Hindustan Aeronautics Limited

Photo Credit: Hindustan Aeronautics Limited

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Raytheon Wins $603M Contract for B-52H Radar Modernization

Raytheon secures $603M USAF contract to produce the AN/APQ-188 AESA radar for the B-52H fleet under the B-52 Radar Modernization Program.

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This is a developing story. Information may change as official details are released.

Raytheon has secured a $603,000,000 sole-source contract from the U.S. Air Force (USAF) to produce and sustain the new AN/APQ-188 radar for the Boeing B-52H Stratofortress fleet, advancing a critical modernization effort despite the recent loss of the program’s primary test aircraft.

The U.S. Department of Defense announced the indefinite-delivery/indefinite-quantity (IDIQ) contract on August 25, 2026, following the official award on August 21, 2026. The agreement establishes the ceiling value for the production phase of the B-52 Radar Modernization Program (RMP). The Air Force Life Cycle Management Center (AFLCMC) at Wright-Patterson Air Force Base (FFO) in Ohio is the contracting activity, obligating $46,008,396 in fiscal 2026 aircraft procurement funds with the initial delivery order.

Upgrading the B-52 radar capabilities

The RMP replaces the bomber’s 1960s-era mechanically scanned AN/APQ-166 radar with the Raytheon AN/APQ-188, an Active Electronically Scanned Array (AESA) system. The new Radar-Systems is a derivative of the AN/APG-79 used on the F/A-18 and forms a cornerstone of the broader B-52J upgrade package designed to keep the fleet operational into the 2050s.

According to the Department of Defense, Raytheon will perform the contract work across multiple facilities, including Forrest, Mississippi; El Segundo, California; McKinney, Texas; and Warner Robins, Georgia. The contract is expected to be completed by August 20, 2031.

Program continuity following testbed loss

The production contract award follows a major setback for the RMP during the flight testing phase. On June 15, 2026, the sole B-52 radar testbed aircraft crashed shortly after takeoff at Edwards Air Force Base (EDW) in California. The USAF confirmed the accident resulted in the deaths of all eight crew members on board, which included military personnel, government civilians, and contractors. The official cause of the accident remains under Investigation by the USAF.

Despite the loss of the initial testbed, military officials have confirmed the modernization program will proceed. According to reporting by DefenseScoop, Col. Spencer Turner, the B-52 System Program Manager, stated that the original acquisition strategy always included two test aircraft.

Turner confirmed that work on the second aircraft is actively underway at The Boeing Company facility in San Antonio, Texas. He noted that the service expects to “complete the full modification and put the full radar suite onto the aircraft this year and proceed with testing.” Following the June 15, 2026 accident, the active USAF fleet stands at 75 B-52H bombers.

AirPro News analysis

The decision to award a $603,000,000 production contract just two months after the loss of the primary testbed underscores the firm commitment of the USAF to the B-52J upgrade timeline. Because the AN/APQ-188 is heavily derived from an existing, mature AESA system, the service likely views the radar technology itself as low-risk, separating the radar’s production readiness from the ongoing investigation into the June 15 accident. We note that delaying the production contract until a second testbed completes flight trials would have likely pushed the B-52J initial operational capability timeline to the right, a delay the USAF appears unwilling to accept as it plans to operate the airframe for another three decades.

Sources: U.S. Department of Defense

Photo Credit: US Air Force

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