Defense & Military
US Air Force Completes B-52J Engine Replacement Design Review
The US Air Force finalizes the B-52J engine replacement design, enabling Boeing to begin modifications with Rolls-Royce F130 engines.

This article is based on an official press release from the Air Force Life Cycle Management Center.
The U.S. Air Force has officially completed the Critical Design Review (CDR) for the B-52J Commercial Engine Replacement Program (CERP), marking a major milestone in the effort to modernize the Cold War-era bomber fleet. According to an official press release from the Air Force Life Cycle Management Center (AFLCMC), this review clears the path for the physical modification of the first two B-52 aircraft.
The comprehensive technical assessment brought together independent experts from the Air Force, Boeing, and Rolls-Royce to scrutinize the system design. By finalizing the design phase, the military ensures that the new engine integration meets all technical and warfighter requirements before major structural work begins.
This massive modernization effort is designed to replace the bomber’s original 1960s-era TF33 engines, ensuring the B-52 Stratofortress remains a formidable asset in the nation’s long-range strike arsenal through 2050 and beyond.
Moving from Design to Physical Modification
The Role of Boeing and Rolls-Royce
With the design now finalized, the program is rapidly transitioning toward aircraft modification. Boeing, serving as the prime contractor for integration, is currently procuring and manufacturing the necessary parts. The aerospace company will begin modifying the first two B-52H aircraft into the new B-52J configuration at its facility in San Antonio, Texas.
The modernization centers on replacing the legacy powerplants with fuel-efficient F130 engines manufactured by Rolls-Royce. In the AFLCMC press release, officials noted that the first bomber is scheduled to arrive for modification later this year.
“This CERP critical design review is the culmination of an enormous amount of engineering and integration work from Boeing, Rolls Royce, and the Air Force that will enable the B-52J to remain in the fight for future generations,” said Lt. Col. Tim Cleaver, Bombers Directorate CERP Program Manager.
Cleaver further emphasized the importance of the milestone, noting that it represents the transition from a conceptual design to a physical product that will be tested and fielded for Air Force Global Strike Command.
Testing and Future Fleet Upgrades
Edwards Air Force Base Trials
Beyond the engines themselves, the B-52J upgrade includes critical new subsystems. According to the Air Force, each new engine will feature a modern generator, significantly increasing the aircraft’s electrical power capacity to support future capabilities and advanced avionics.
Following the initial modification work in Texas, the two B-52J test aircraft will be transferred to Edwards Air Force Base in California. There, they will undergo extensive flight and ground testing to validate the new systems and ensure operational safety.
The successful conclusion of the CDR follows years of detailed design work and collaborative “dry runs” between the Air Force and its industry partners. Once the testing phase at Edwards AFB is complete, the program will proceed with modifying the remainder of the B-52H fleet.
AirPro News analysis
The successful Critical Design Review for the B-52J Commercial Engine Replacement Program highlights the U.S. Air Force‘s commitment to extending the lifespan of its most proven heavy bomber. By replacing the aging TF33 engines with modern Rolls-Royce F130s, the military is not only addressing long-standing maintenance and fuel efficiency challenges but also future-proofing the airframe. The addition of modern generators is particularly noteworthy, as increased electrical capacity is a prerequisite for integrating next-generation sensors, electronic warfare suites, and advanced weapon systems. We view this milestone as a critical step in maintaining a credible long-range strike deterrent through the middle of the 21st century.
Frequently Asked Questions (FAQ)
What is the B-52J Commercial Engine Replacement Program (CERP)?
It is a U.S. Air Force modernization initiative to replace the 1960s-era TF33 engines on the B-52 bomber fleet with modern, fuel-efficient Rolls-Royce F130 engines.
Who are the primary contractors for the B-52 engine replacement?
Boeing is the prime contractor responsible for integration and aircraft modification, while Rolls-Royce is manufacturing the new F130 engines.
Where will the B-52 modifications take place?
The initial modifications of the first two aircraft will occur at Boeing’s facility in San Antonio, Texas.
When will the first B-52 arrive for modification?
According to the Air Force Life Cycle Management Center, the first bomber is scheduled to arrive for modification later this year.
How long is the B-52 expected to remain in service?
With these upgrades, the Air Force expects the B-52 Stratofortress to remain operational through 2050 and beyond.
Sources
Photo Credit: Air Force Life Cycle Management Center
Defense & Military
Jet Aviation Delivers First Pilatus PC-24 to French Navy Fleet
Jet Aviation delivers the first Pilatus PC-24 to the French Navy under a 10-year dry lease, replacing the Falcon 10MER for training and transport missions.

This article is based on an official press release from Jet Aviation.
On May 8, 2026, Jet Aviation announced the delivery of the first of three Pilatus PC-24 aircraft to the French Navy (Marine Nationale). This milestone marks the beginning of a critical fleet modernization program designed to replace the Navy’s aging Dassault Falcon 10MER aircraft, which have been in service for nearly five decades.
The delivery is part of a comprehensive 10-year contract awarded to Jet Aviation France by the French Direction de la Maintenance Aéronautique (DMAé) in late 2025. Under this agreement, Jet Aviation provides a turnkey “dry lease” solution, handling aircraft acquisition, leasing, and full on-site sustainment, while the French Navy operates the flights.
The new fleet will be operated by the Escadrille 57S squadron, stationed at the Landivisiau Naval Air Base (BAN Landivisiau) in Brittany, France. According to the official press release, this arrangement ensures seamless operational readiness for the Navy’s specialized training and transport missions.
Fleet Modernization and the DMAé Contract
Transitioning from the Falcon 10MER
The French Navy has relied on the Dassault Falcon 10MER (DA10) since 1975 for a variety of missions, including pilot training, VIP transport, and liaison duties. Due to the advancing age of these airframes, the fleet is scheduled for a phased withdrawal from service between 2026 and 2027, according to industry reports.
To bridge this capability gap, the DMAé initiated a competitive bidding process, ultimately selecting Jet Aviation. The resulting 10-year dry lease contract represents a modern approach to military procurement, shifting the burden of ownership and maintenance to the private sector while allowing the military to focus purely on operations.
Jet Aviation’s On-Site Support
Beyond simply leasing the aircraft, Jet Aviation is deploying a dedicated on-site team at the Landivisiau base. This team is responsible for line and base maintenance, tooling, infrastructure, and Continuing Airworthiness Management Organisation (CAMO) services.
Jeremie Caillet, President of Jet Aviation, highlighted the collaborative effort in the company’s press release:
“This is the culmination of many months of collaboration and partnership between our team, the DMAé and Pilatus, and it has been a privilege to work together to bring these aircraft into service… By bringing together aircraft ownership, leasing and sustainment within a single solution, we deliver seamless support tailored to the specific operational requirements of the French Navy fleet.”
The Pilatus PC-24 “Super Versatile Jet”
Aircraft Specifications and Capabilities
The first delivered aircraft, registered as F-HJAH (Manufacturer Serial Number 619), is a Pilatus PC-24. A second aircraft, registered as F-HJAI (MSN 620), has recently completed its test flights and is currently undergoing interior outfitting. The remaining two jets are expected to be delivered at approximately six-month intervals.
The twin-engine jet boasts a cruise speed exceeding 800 km/h and a range of up to 3,700 km. It can accommodate up to nine passengers plus a pilot and features a standard large cargo door, making it highly adaptable for urgent freight or medical evacuation missions.
Furthermore, the aircraft is certified for single-pilot operations and is uniquely designed to operate from short, unpaved, and unprepared runways, utilizing the modern Pilatus ACE digital cockpit.
Mission Profile: The “Flying Classroom”
The French Navy intends to utilize the PC-24s primarily as “flying classrooms.” Their mission profile includes Instrument Flight Rules (IFR) training for Rafale M fighter pilots, periodic proficiency checks, urgent cargo transport, and general liaison duties.
Fabien Fuster, VP Government Services EMEA at Jet Aviation, emphasized the company’s readiness to support these specialized missions:
“We bring some 60 years of maintenance expertise including some four decades providing dedicated support to governmental fleets. Our team has been working with the squadron on-site to establish the personnel, tooling, infrastructure and processes required to provide seamless maintenance and airworthiness support…”
Broader Industry Implications
AirPro News analysis
We observe that the French Navy’s acquisition of the Pilatus PC-24 underscores a growing global trend of military forces adopting this specific airframe for multi-role utility and training. The PC-24 is already in use or on order by several international operators, including the Swiss Federal Council, the Qatar Emiri Air Force, the Spanish Air and Space Force, and the Indonesian Air Force.
Additionally, the structure of the DMAé contract highlights a broader shift toward turnkey leasing in military procurement. Rather than purchasing non-combat support aircraft outright, armed forces are increasingly turning to private aviation companies for “power-by-the-hour” or dry-lease agreements. This strategy effectively reduces upfront capital expenditure while ensuring high fleet availability through private-sector maintenance expertise.
Frequently Asked Questions
When will the remaining PC-24 aircraft be delivered to the French Navy?
Following the May 2026 delivery of the first aircraft, the remaining two PC-24s are expected to be delivered in phases at roughly six-month intervals.
What will happen to the French Navy’s Falcon 10MER fleet?
The aging Dassault Falcon 10MER fleet, which has been in service since 1975, is scheduled to be gradually withdrawn from service between 2026 and 2027.
Who is responsible for maintaining the new PC-24 fleet?
Under the 10-year dry lease contract, Jet Aviation owns the aircraft and provides full on-site sustainment, including line and base maintenance, at the Landivisiau Naval Air Base.
Sources:
Photo Credit: Jet Aviation
Defense & Military
AllClear Expands Investment in Honeywell Aerospace Wheels and Brakes
AllClear Aerospace increases inventory of Honeywell wheels and brakes for F-15 and F-18 fighters to enhance global military readiness and supply chain support.

This article is based on an official press release from AllClear Aerospace & Defense via Business Wire.
AllClear Aerospace & Defense announced on May 6, 2026, a significant expansion of its investment in Honeywell Aerospace’s wheels and brakes product line. The strategic move is designed to bolster global military aircraft readiness and secure the supply chain for critical fighter aircraft components amid ongoing global constraints.
According to the official press release, the investment specifically targets increased inventory and support capabilities for the F-15 and F-18 fighter platforms. By proactively stockpiling these high-wear components, AllClear intends to mitigate persistent global supply-chain bottlenecks and ensure a reliable, mission-ready supply for defense operators.
This development builds upon a multi-year exclusive global distribution agreement signed between the two aerospace companies in January 2023. Under that agreement, AllClear secured the exclusive global distribution rights for Honeywell’s F-15 and F-18 wheels and brakes, reinforcing their commitment to supporting the U.S. military and allied nations.
Strategic Investment in Legacy and Frontline Platforms
Securing the F-15 and F-18 Supply Chain
The aerospace and defense sector has faced prolonged supply chain challenges, prompting companies to shift their operational strategies. AllClear’s latest initiative focuses on “investing ahead of demand,” a proactive approach detailed in their company statement to ensure uninterrupted delivery and direct support to defense operators worldwide.
The expanded inventory heavily features Honeywell Aerospace’s Carbenix military braking systems. Industry data indicates that these systems are engineered to operate in extreme environments and are crucial for supporting the increasing weight and performance demands of modern military aircraft. Furthermore, the Carbenix technology is specifically designed to enable rapid turnaround times during combat operations, a critical factor for maintaining high sortie generation rates in active theaters.
Corporate Background and Global Reach
Expanding Global Sustainment Capabilities
Formed in 2020 through the mergers of Aero Precision and Kellstrom Defense, AllClear has established itself as a leading provider of mission-ready sustainment solutions for military aviation. Headquartered in Miramar, Florida, the company currently leverages its in-country presence to support operators in more than 60 countries, providing aftermarket capabilities for over 25 major military aircraft platforms.
To ensure compliance with strict military and federal regulations, including ITAR and EAR, AllClear maintains rigorous quality standards. The company holds AS9120 and ISO 9001:2015 certifications, ensuring that all distributed Honeywell components meet the exact specifications required by the U.S. military and allied air forces.
“Military operators depend on speed, reliability, and readiness. By strengthening our partnership with Honeywell Aerospace and investing ahead of demand, we are ensuring critical components are available when and where they are needed to support the warfighter.”
, Brent Wisch, Senior Vice President, Global Sales and Business Development at AllClear, in the company’s press release.
Industry Implications
AirPro News analysis
At AirPro News, we observe that AllClear’s strategy reflects a broader, industry-wide pivot from “just-in-time” manufacturing to “just-in-case” stockpiling. As global supply chains remain vulnerable to geopolitical and economic disruptions, defense contractors are increasingly prioritizing inventory depth to guarantee operational continuity for their customers.
Furthermore, the sustainment of legacy fleets remains a lucrative and critical segment of the defense market. Militaries worldwide continue to operate proven platforms like the F-15 and F-18 alongside newer fifth-generation fighters. Ensuring the availability of high-wear components like wheels and brakes is essential for extending the lifecycle and readiness of these enduring fleets, making proactive distribution agreements highly valuable for global defense readiness.
Frequently Asked Questions
What is the focus of AllClear’s recent investment?
AllClear is expanding its investment in Honeywell Aerospace’s wheels and brakes product line, specifically increasing inventory for the F-15 and F-18 fighter aircraft platforms.
What specific technology is being distributed?
The investment features Honeywell Aerospace’s Carbenix military braking systems, which are designed for extreme environments and rapid turnaround times during combat operations.
When did AllClear and Honeywell establish their partnership?
The relationship was significantly solidified in January 2023, when AllClear signed a multi-year agreement securing exclusive global distribution rights for Honeywell’s F-15 and F-18 wheels and brakes.
Sources
Photo Credit: AllClear Aerospace & Defense
Defense & Military
CycloKinetics Launches High-Energy Aerospace Propellants in 2026
CycloKinetics introduces high-energy drop-in propellants improving military aircraft and rocket performance with ongoing use by U.S. forces since 2025.

This article is based on an official press release from CycloKinetics, Inc. via GlobeNewswire. Additional context is summarized from reporting by FLYING Magazine.
On May 4, 2026, CycloKinetics, Inc. officially launched as a dedicated aerospace and defense propellant company. Headquartered in Salt Lake City, Utah, the firm emerged from 15 years of stealth research and collaboration with the U.S. military to deliver high-performance, drop-in liquid fuels.
According to the company’s press release, these proprietary propellants offer up to 32 percent higher energy density than conventional fuels. This leap in energy density is designed to significantly enhance the range, speed, payload, and endurance of military aircraft, missiles, and space launch systems without requiring modifications to existing propulsion hardware.
The launch marks a strategic restructuring for founder Mukund Karanjikar. His previous venture, the sustainable aviation fuel (SAF) provider CleanJoule, founded in 2009, has now become a subsidiary of CycloKinetics. While CleanJoule will exclusively serve civil aviation, CycloKinetics will focus entirely on the specialized, high-performance needs of the defense and aerospace sectors.
A New Paradigm in Military Propulsion
CycloKinetics utilizes proprietary propellants based on cyclo-paraffinic hydrocarbons. Because they are engineered as 100 percent drop-in replacements, they integrate seamlessly into existing infrastructure and engines, bypassing the costly and time-consuming process of hardware redesign.
The company advocates for a fundamental shift in aerospace engineering philosophy. In a newly released whitepaper titled “Pilots, Planes, and Propulsion: America’s Trifecta for Another Century of Air Superiority,” CycloKinetics argues that propulsion is an underrecognized but decisive factor in sustaining air superiority. The company suggests that engineers should develop high-performing fuels first and tailor airframes to them, rather than limiting future capabilities by designing around legacy fuels.
“You need superior propellants. Planes and pilots can do only so much,”
founder Mukund Karanjikar stated, noting that while aircraft design and economics have advanced significantly, propulsion technology has largely stagnated due to its inherent complexity.
The Product Portfolio
The company currently offers three primary products tailored for different aerospace applications. CycloJP is a high-energy-density replacement for conventional aviation fuels like Jet A, JP-5, JP-8, and JPTS. It is designed to improve the range and endurance of both crewed and uncrewed aircraft, including the military’s Collaborative Combat Aircraft (CCA).
For the space sector, CycloRP (formerly SpaceSAF) serves as an alternative to kerosene-based RP-1 and RP-2 liquid rocket fuels. Finally, CK-10 is a next-generation replacement for JP-10, engineered specifically to improve the range and standoff distance of missile platforms.
Performance Metrics and Strategic Deployment
The performance claims surrounding CycloKinetics’ fuels are substantial. The company states that its fuels achieve up to 32 percent higher energy density than existing conventional options. For aircraft, this increased energy density translates to an approximate 30 percent improvement in range.
In the space launch sector, the impact could be even more pronounced. The propellant has the potential to more than double a rocket’s payload capacity. Furthermore, its cleaner combustion reduces soot formation, which extends the longevity and reduces maintenance for reusable spacecraft engines, such as those used on SpaceX’s Falcon 9.
“People get up in their chairs when they hear double the payload,”
Karanjikar noted regarding the space industry’s reaction to the new propellant capabilities.
Active Military Use and Future Outlook
These fuels are not merely theoretical. According to reporting by FLYING Magazine, all three major U.S. military branches, the Army, Navy, and Air Force, have been actively using CycloKinetics products in live operations across multiple platforms since mid-2025.
Looking ahead, the company is focused on scalability. With its manufacturing platform perfected, CycloKinetics plans to set up larger reactors and raise additional capital from both government and private markets. The firm is also in advanced conversations to power a real space launch by early 2027, building on previous testing conducted with Venus Aerospace in 2025 under the CleanJoule brand.
AirPro News analysis
At AirPro News, we observe that the launch of CycloKinetics highlights a critical bottleneck in modern aerospace development: the chemical limitations of legacy fuels. While billions are spent on stealth coatings, avionics, and aerodynamic airframes, the fundamental energy source propelling these systems has remained largely stagnant for decades.
By achieving a 32 percent increase in energy density without requiring engine modifications, CycloKinetics is offering a rare “free lunch” in aerospace engineering. If these drop-in fuels can be scaled economically, they could immediately extend the operational reach of U.S. forces in contested regions like the Indo-Pacific, where distance is a primary tactical hurdle. The restructuring of CleanJoule under CycloKinetics also signals a shrewd business move, separating the high-margin, performance-driven defense market from the highly regulated, cost-sensitive commercial sustainable aviation fuel sector.
Frequently Asked Questions
What is CycloKinetics?
CycloKinetics is a newly launched aerospace and defense propellant company specializing in high-performance, drop-in liquid fuels that offer significantly higher energy density than conventional options.
How do these new fuels affect aircraft performance?
According to the company, the fuels provide up to a 32 percent increase in energy density, which can translate to an approximate 30 percent improvement in aircraft range.
Are these fuels currently in use?
Yes, reports indicate that the U.S. Army, Navy, and Air Force have been actively using CycloKinetics products in live operations since mid-2025.
Sources
Photo Credit: CycloKinetics, Inc.
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