Defense & Military
Boeing Completes Key F-15C Upgrades to Extend US Air Force Readiness
Boeing upgrades 37 F-15C Eagles with advanced systems at Louisiana ANG, enhancing combat readiness during transition to F-15EX Eagle II.
Boeing’s Government Services team has completed a major modernization effort, upgrading 37 F-15C Eagle fighter jets at the Louisiana Air National Guard Base in New Orleans. This four-year initiative is pivotal in maintaining the combat effectiveness of these aging aircraft, which have been a backbone of American air superiority for nearly five decades. The upgrades, which include the Advanced Display Core Processor II (ADCP-II) and Multi-Function Information Distribution System – Joint Tactical Radio System (MIDS-JTRS), provide enhanced mission computing performance and secure communications capabilities vital for contemporary military operations. This modernization comes at a critical time as the U.S. Air Force prepares to transition from the F-15C/D fleet to the more advanced F-15EX Eagle II, making these upgrades essential for maintaining operational readiness during the transition period.
The significance of these upgrades lies not only in the technical enhancements but also in their strategic timing. As the Air Force faces the dual challenge of sustaining legacy platforms and integrating next-generation aircraft, targeted modernization efforts such as this ensure that the U.S. maintains its air superiority and operational flexibility. The program also reflects a broader strategy of investing in proven platforms while preparing for future capabilities, balancing immediate readiness with long-term modernization goals.
The F-15 Eagle, originally developed by McDonnell Douglas and now produced by Boeing, is one of the most successful fighter aircraft in history. Designed in response to lessons from the Vietnam War, the F-15 program began in the late 1960s as part of the U.S. Air Force’s Fighter Experimental (FX) initiative. The aim was to develop a dedicated air superiority fighter capable of outperforming any adversary.
The F-15C variant, which is the focus of Boeing’s recent upgrades, entered service in 1979 with enhanced fuel capacity, avionics, and provisions for conformal fuel tanks. Its high thrust-to-weight ratio and large wing area provided exceptional maneuverability, contributing to its unmatched combat record of over 100 victories and zero losses in aerial combat. Continuous improvement has been a hallmark of the F-15 program, with the Multistage Improvement Program (MSIP) in the 1980s introducing upgraded computers, radar, and electronic warfare systems.
From 2006 onwards, the Air Force began a targeted modernization of 179 F-15Cs, including the integration of Active Electronically Scanned Array (AESA) radar and cockpit upgrades. These efforts were in part a response to the limited procurement of the F-22 Raptor and ensured that the F-15C remained viable against evolving threats. The latest round of upgrades continues this tradition of incremental but impactful enhancements.
The recent modernization focused on two critical subsystems: the ADCP-II mission computer and the MIDS-JTRS communications suite. The ADCP-II, built on commercial multi-core processing technology, dramatically increases computing power and enables advanced systems integration. This upgrade improves mission effectiveness, system stability, and aircrew survivability, providing a platform for future enhancements such as advanced electronic warfare and sensor fusion capabilities.
The MIDS-JTRS is a software-defined radio providing secure, high-throughput communications and data link capabilities. It supports Link-16, enhanced throughput, frequency remapping, and programmable cryptographic functions, all crucial for networked operations in contested environments. The system enables real-time sharing of tactical information across air, ground, and sea domains, supporting joint and coalition missions.
Each aircraft in the Louisiana program underwent a 62-day installation process, with a 30-person Boeing team, primarily military veterans, handling the upgrades. The ADCP-II and MIDS-JTRS integration ensures that these F-15Cs remain operationally relevant and capable of supporting both homeland defense and overseas missions until the arrival of their F-15EX replacements. “ADCP II brings next generation high-speed computing to the F-15 enterprise. This capability allows pilots to prosecute targets with ironclad precision and sets the foundation for future growth.”, Lt. Col. Michael Casey, USAF F-15 Avionics Branch
While specific costs for the 37-aircraft upgrade were not disclosed, broader F-15 modernization efforts provide insight into the scale of investment. The F-15C has a higher operational cost per flight hour than newer fighters, but targeted upgrades like these extend service life and maintain capability without the expense of full fleet replacement. For example, the F-15C’s operating cost, as last publicly reported, was higher than the F-16C’s but lower than the F-22A’s.
Boeing’s overall F-15 modernization contracts include a $474.5 million agreement for electronic warfare upgrades and a $471.3 million contract for training systems, demonstrating the significant resources allocated to maintaining the F-15’s relevance. The Louisiana project itself involved substantial skilled labor, with a veteran workforce ensuring technical excellence and continuity.
These investments also have wider economic impacts, supporting skilled aerospace jobs across multiple locations and sustaining the U.S. defense industrial base. The ongoing production and integration of ADCP-II systems, for instance, benefit facilities in St. Louis, other U.S. sites, and Lakenheath, England.
The F-15C upgrades are part of a broader Air Force strategy to recapitalize its fighter fleet while ensuring no capability gaps emerge during the transition to new platforms. The Air National Guard operates a majority of F-15C/Ds, making these aircraft vital for both homeland defense and overseas deployments. Upgrades like ADCP-II and MIDS-JTRS are critical for sustaining mission capability and interoperability, especially for the Aerospace Control Alert mission that protects U.S. airspace around the clock.
Modernization is also necessary as mission capable rates for the aging F-15C fleet have declined, though recent retirements and upgrades have led to some improvements. Congressional support remains strong, with recent defense budgets allocating billions for tactical aircraft procurement and specifically for accelerating F-15EX production. This approach supports both readiness and industrial base sustainability.
The transition to the F-15EX Eagle II is underway, with the new aircraft offering advanced radar, electronic warfare, and payload capabilities. The F-15EX is based on export variants developed for Saudi Arabia and Qatar, leveraging international investment to maintain the U.S. production line. With a projected service life of 20,000 hours and the ability to carry up to 22 air-to-air missiles, the F-15EX will provide enhanced operational flexibility and survivability for decades to come.
“The dedication of our mostly veteran team, coupled with advanced computing technology, ensures the F-15C aircraft remains relevant well into the 2030s until the F-15C is divested from the United States Air Force inventory.”, Ryan Hudson, Boeing F-15 Modification Manager
The Air National Guard’s F-15 units, including the 159th Fighter Wing in Louisiana, play a crucial role in both homeland security and expeditionary operations. The recent upgrades ensure these units can continue to fulfill their missions while preparing for the arrival of the F-15EX. The transition will require significant training and adaptation, as Air National Guard personnel shift from air-to-air exclusive missions to multirole operations enabled by the new aircraft.
Experienced pilots and maintainers are a hallmark of Air National Guard F-15 operations. Recent milestones, such as pilots reaching 2,000 and 3,000 flight hours, underscore the depth of expertise within these units. The transition to the F-15EX will build on this foundation, ensuring operational continuity and mission success. Legislative support for the Air National Guard’s modernization is reflected in recent defense bills, which include provisions to extend the lifecycle of F-15E aircraft and allocate funds for F-15EX procurement. These measures help maintain readiness and ensure the Guard’s continued contribution to national defense.
Boeing’s F-15 modernization efforts have global implications, supporting allied air forces and contributing to international security. The company’s engineering support for Japan’s F-15 Super Interceptor program and export-driven development of advanced F-15 variants demonstrate the international dimension of the F-15 family. Shared development costs and standardized systems improve interoperability and reduce sustainment costs for all operators.
Advanced systems like EPAWSS, developed in partnerships with BAE Systems, provide cutting-edge electronic warfare capabilities that benefit both U.S. and allied F-15 fleets. The integration of these systems ensures the F-15 remains viable in highly contested environments and supports coalition operations worldwide.
Interoperability is further enhanced by the MIDS-JTRS communications system, which enables seamless data sharing with NATO and allied forces. As the U.S. and its partners face increasingly complex security challenges, the ability to operate as a unified force becomes ever more critical.
Boeing’s completion of critical F-15C upgrades at the Louisiana Air National Guard Base marks a significant achievement in sustaining U.S. air superiority during a period of transition. The integration of advanced mission computing and secure communications ensures that these legacy aircraft remain operationally relevant and capable of supporting both domestic and international missions. This modernization effort exemplifies a balanced approach to defense investment, maintaining current readiness while preparing for future challenges.
As the Air Force moves forward with the F-15EX and other next-generation platforms, the lessons learned from the F-15C upgrade program will inform future modernization efforts. The continued relevance of the F-15 Eagle, supported by targeted investments and a skilled workforce, demonstrates the enduring value of proven platforms in a rapidly evolving security environment. The transition to the F-15EX will bring new capabilities and opportunities, but the legacy of the F-15C and the success of its modernization will remain integral to U.S. air power for years to come.
What upgrades did Boeing complete on the F-15C fleet? Why are these upgrades important for the U.S. Air-Forces? What is the future of the F-15C in the U.S. Air Force? How do these upgrades affect Air National Guard operations? What role does the F-15EX play in the Air Force’s modernization strategy? Sources:
Boeing‘s Critical F-15C Eagle Modernization: Extending Combat Readiness Through Advanced Subsystem Upgrades
Historical Context and Evolution of the F-15 Eagle Program
Technical Specifications and Capabilities of Recent F-15C Upgrades
Financial Investment and Economic Impact Analysis
Strategic Context, Transition Planning, and the F-15EX
Air National Guard Operations and Strategic Importance
Global Defense Industry Context and Allied Operations
Conclusion and Strategic Implications
FAQ
Boeing installed the Advanced Display Core Processor II (ADCP-II) and Multi-Function Information Distribution System – Joint Tactical Radio System (MIDS-JTRS) on 37 F-15C aircraft, enhancing mission computing and secure communications.
The upgrades extend the operational life and combat effectiveness of the F-15C fleet, ensuring readiness during the transition to the F-15EX and maintaining air superiority capabilities.
The F-15C fleet is being gradually retired and replaced by the F-15EX Eagle II. Modernization efforts ensure the F-15C remains effective until the transition is complete.
The upgrades enable Air National Guard units to maintain mission capability and interoperability, supporting both homeland defense and overseas operations until new aircraft are fielded.
The F-15EX provides advanced capabilities, increased payload, and modern systems integration, serving as the designated successor to the F-15C/D fleet and supporting future combat operations.
Boeing Newsroom
Photo Credit: Air Force
Defense & Military
Embraer and Saab Unveil First Gripen E Fighter Produced in Brazil
Embraer and Saab unveiled the first Gripen E fighter jet assembled in Brazil, enhancing local defense manufacturing and fulfilling a 2014 contract.
This article is based on an official press release from Embraer.
On March 25, 2026, Embraer, Saab, and the Brazilian Air Force (FAB) marked a historic milestone in Latin American aerospace by unveiling the first Gripen E fighter jet manufactured on Brazilian soil. The rollout ceremony took place at Embraer’s industrial complex in Gavião Peixoto, São Paulo State, officially introducing the first supersonic fighter aircraft ever produced in the country.
According to the official press release, the event drew high-profile attendees, including Brazilian President Luiz Inácio Lula da Silva, Swedish Ambassador Karin Wallensteen, and top executives from both Embraer and Saab. The presentation of the aircraft highlights a successful technology transfer program and elevates Brazil into a select group of nations capable of manufacturing advanced combat aircraft.
The newly unveiled Gripen E is the result of a deeply integrated Brazilian and international supply chain. Embraer’s Gavião Peixoto facility handles the final assembly, utilizing aerostructures manufactured at Saab’s plant in São Bernardo do Campo. According to Embraer, 14 additional aircraft will be built using this exact production model under the current FAB contract.
Before being handed over to the customer, the newly assembled fighter will undergo rigorous functional and production flight testing. Once cleared, it will join the First Defense Group (1st GDA) stationed at the Anápolis Air Force Base.
Company leadership emphasized the broader implications of the rollout. In the press release, Bosco da Costa Junior, President and CEO of Embraer Defense & Security, highlighted the collaborative effort:
“…it symbolizes the strength of a partnership built on trust, long‑term vision, and true cooperation.”
The foundation for this manufacturing achievement was laid in 2014 when the Brazilian government signed a comprehensive contract with Saab. The agreement covers the development and production of 36 Gripen fighters, specifically 28 single-seat Gripen E models and eight two-seat Gripen F variants.
Deliveries from Sweden began in 2020, and the press release notes that at least 10 aircraft have already been handed over to the Brazilian Air Force. The Gripen fleet is already active; since February, the fighters have been executing Quick Reaction Alert (QRA) missions from the Anápolis Air Force Base to safeguard the airspace over Brazil’s federal district. Micael Johansson, President and CEO of Saab, noted the strategic importance of the local production capability, stating in the release:
“…developing, within Brazil, the capability to produce a high-tech supersonic fighter aircraft – fully capable of executing air superiority missions…”
We view the successful rollout of a domestically assembled Gripen E as a transformative moment for Embraer and the Brazilian defense sector. By proving it can assemble and integrate a sophisticated, network-centric supersonic fighter, Embraer significantly enhances its high-end military manufacturing portfolio. This capability not only fulfills Brazil’s immediate national security and airspace defense needs but also positions the Gavião Peixoto facility as a potential regional export and maintenance hub for South America. As neighboring countries evaluate their aging fighter fleets, we believe Brazil’s proven production line could offer Saab a strategic foothold for future Latin American sales.
Where was the first Brazilian-made Gripen E produced? How many Gripen fighters did Brazil order? How many more Gripens will be built in Brazil?
Production and Strategic Partnership
Details of the Gavião Peixoto Facility
Contract History and Operational Status
The 2014 Agreement
AirPro News analysis
Frequently Asked Questions
The aircraft was assembled at Embraer’s industrial complex in Gavião Peixoto, São Paulo State, using components including aerostructures from Saab’s facility in São Bernardo do Campo.
Under a 2014 contract, the Brazilian government ordered 36 Gripen fighters, comprising 28 single-seat Gripen E jets and 8 two-seat Gripen F jets.
According to the Embraer press release, 14 additional aircraft will be produced at the Gavião Peixoto facility under the current contract.
Sources
Photo Credit: Embraer
Defense & Military
Japan Expands F-35B Fleet with Delivery to Nyutabaru Air Base
Japan received three F-35B fighters at Nyutabaru Air Base, advancing its goal to deploy eight F-35Bs by fiscal year 2025 end.
In late March 2026, the Japan Air Self-Defense Force (JASDF) received three additional F-35B Lightning II stealth fighters at Nyutabaru Air Base in Miyazaki Prefecture. According to social media account @thef35 on X, the delivery highlights that procurement
“momentum continues” for the Japanese defense forces.
This latest arrival is a critical milestone. Based on defense research data, the delivery keeps Japan’s Ministry of Defense on track to meet its goal of deploying an initial batch of eight F-35Bs by the end of fiscal year 2025, which concludes on March 31, 2026. Japan received its first three F-35Bs on August 7, 2025, ferried by U.S. pilots, and officially activated the fleet for frontline service during a ceremony on February 7, 2026.
The integration of the Short Take-Off and Vertical Landing (STOVL) aircraft represents a historic shift in Japan’s defense posture. Defense reports indicate Japan plans to acquire 147 F-35s in total, 105 conventional F-35As and 42 F-35Bs, making it the largest operator of the fifth-generation fighter outside the United States.
While the F-35Bs are operated by the JASDF, defense analysts note their primary strategic value lies in their integration with the Japan Maritime Self-Defense Force (JMSDF).
To accommodate the STOVL aircraft, Japan has been modifying its two largest warships, the Izumo-class helicopter destroyers JS Izumo and JS Kaga. According to defense research, these modifications include reshaping the bows into a rectangular configuration and applying heat-resistant deck coatings capable of withstanding the F-35B’s powerful lift fan.
These upgrades were put to the test recently. In October 2024, a U.S. Navy and Marine Corps F-35B successfully conducted the first landing and takeoff trials on the modified JS Kaga off the coast of San Diego, California. This milestone effectively proved the vessel’s capability to operate as a light aircraft carrier, returning fixed-wing carrier aviation to the Japanese fleet for the first time since World War II.
Japan’s acquisition of the F-35B is widely viewed by defense researchers as a direct response to a tightening regional security environment, particularly the rapid military modernization and maritime maneuvers of China in the East and South China Seas. Nyutabaru Air Base is strategically located on Kyushu, Japan’s southernmost main island. Defense reports highlight that this positions the F-35B fleet in close proximity to the Nansei Islands chain, which stretches toward Taiwan and includes the Japanese-administered Senkaku Islands. The STOVL capability allows Japan to project air power from the sea and operate from shorter, austere runways on remote islands.
Under its post-WWII pacifist constitution, Japan has historically maintained a strictly defensive military posture. The deployment of carrier-capable stealth fighters represents a shift toward what defense analysts term “active deterrence.” To navigate political sensitivities regarding offensive capabilities, the Japanese government officially classifies the Izumo and Kaga as “multi-functional destroyers” rather than aircraft carriers.
Despite the strategic momentum, the domestic rollout of the F-35B fleet has faced logistical and political hurdles.
According to defense research data, Japan is constructing a dedicated runway and training facility on the uninhabited island of Mageshima, located roughly 160 kilometers south of Nyutabaru. This facility is intended for F-35B Field Carrier Landing Practice (FCLP) and vertical landing drills.
However, the Mageshima project has been delayed until approximately 2029 or 2030. Consequently, routine vertical landing training must be conducted at Nyutabaru Airports in the interim. This temporary arrangement has triggered protests and concerns from local residents in Miyazaki Prefecture regarding severe aircraft noise pollution.
We view the successful delivery of these F-35Bs as more than just a national defense upgrade for Japan; it is a foundational step for allied interoperability in the Indo-Pacific. By operating the F-35B from modified destroyers, Japan ensures seamless integration with U.S. Navy and Marine Corps forces, as well as other allied operators like the United Kingdom and Italy. This opens the door for future cross-decking operations, where allied jets can land on Japanese ships and vice versa, creating a highly flexible, distributed maritime strike capability that complicates adversary planning in the region.
According to defense procurement data, Japan plans to acquire a total of 147 F-35 military-aircraft, consisting of 105 F-35A conventional takeoff variants and 42 F-35B STOVL variants.
The F-35B features Short Take-Off and Vertical Landing (STOVL) capabilities, allowing it to operate from amphibious assault ships, light aircraft carriers, and short or austere runways. To align with its post-WWII pacifist constitution, which limits offensive military capabilities, Japan officially classifies the modified Izumo-class vessels as “multi-functional destroyers” rather than aircraft carriers.
Sources: @thef35, Defense Research Report
Japan Expands F-35B Fleet with Latest Delivery to Nyutabaru Air Base
Strategic Shift: The “Lightning Carriers”
Vessel Modifications and Sea Trials
Geopolitical Drivers and Regional Defense
Defending the Nansei Islands
Domestic Challenges and Infrastructure
Local Impact at Nyutabaru
AirPro News analysis
Frequently Asked Questions (FAQ)
How many F-35s is Japan buying?
What makes the F-35B different?
Why are Japan’s carrier-capable ships called destroyers?
Photo Credit: Lockheed Martin
Defense & Military
GKN Aerospace Delivers First Upgraded RM12 Engine to Swedish Armed Forces
GKN Aerospace delivers the first upgraded RM12 engine under a £32 million programme enhancing Sweden’s Gripen C/D fighter fleet performance and endurance.
This article is based on an official press release from GKN Aerospace.
GKN Aerospace has officially delivered the first upgraded RM12 engine to the Swedish Armed Forces, marking a critical milestone in the RM12 Enhanced Performance (RM12EP) programme. The delivery is part of a broader initiative to modernize the propulsion systems of Sweden’s JAS 39 Gripen C/D fighter fleet.
According to a company press release, the RM12EP programme is valued at approximately £32 million (SEK 400 million). The initiative focuses on increasing engine thrust, extending operational endurance, and improving overall efficiency to ensure the legacy fighter aircraft remain highly capable in modern operational environments.
The successful handover of the first enhanced engine underscores GKN Aerospace’s nearly century-long partnership with the Swedish Air Force. As the type certificate holder for the RM12 engine, the company continues to play a central role in maintaining Sweden’s aerial defense readiness.
The RM12EP upgrade introduces significant technical improvements to the existing powerplants. In its official statement, GKN Aerospace noted that the enhancements include the installation of improved turbine hardware alongside updated engine control software. These modifications are specifically designed to boost engine thrust and extend the operating time of the engines, while simultaneously reducing life cycle costs for the Swedish Armed Forces.
The RM12EP programme was originally launched in 2019. It represents a long-term strategic effort led by GKN Aerospace to ensure that the Gripen C/D remains a cost-efficient and highly capable platform, even as newer generations of fighter aircraft enter service.
All upgrade work for the RM12 engines is being conducted at GKN Aerospace’s specialized facility in Trollhättan, Sweden. The company maintains comprehensive responsibility for the development, manufacturing, system support, and maintenance of both the RM12 engine, which powers the Gripen C/D, and the newer RM16 engine, which is utilized in the advanced Gripen E/F models.
The delivery of the first upgraded unit was achieved through extensive cross-functional collaboration. GKN Aerospace highlighted that the milestone involved coordination across engineering, production, quality assurance, procurement, and logistics departments. Furthermore, the project relies on key partnerships with industry leaders GE and Saab. Additional upgraded engines are scheduled to be delivered continuously to the Swedish Armed Forces in accordance with the programme’s planned timeline. “This first upgraded engine delivery represents an important step forward in enhancing the performance and endurance of the Gripen system. As type certificate holder for the Gripen C/D engine and with a partnership with the Swedish Air Force that spans nearly a century, we are proud to continue supporting Sweden’s operational capability and future readiness.”
We note that the delivery of the first upgraded RM12 engine highlights a broader trend in global defense procurement: the necessity of extending the operational lifespan of proven legacy platforms. While the Swedish Air Force is actively transitioning to the next-generation Gripen E/F, maintaining a robust and capable fleet of Gripen C/D aircraft remains essential for national security and regional stability.
By investing £32 million into the RM12EP programme, Sweden is ensuring a cost-effective bridge between aircraft generations. The enhancements to thrust and endurance not only improve the tactical capabilities of the Gripen C/D but also optimize maintenance schedules and reduce long-term operational costs. This dual-track approach, upgrading existing assets while procuring new ones, allows the Swedish Armed Forces to maintain a high state of readiness without compromising on technological advancement.
Furthermore, keeping the upgrade work localized at the Trollhättan facility secures domestic aerospace expertise and supply chain resilience. As geopolitical tensions in Europe remain a focal point for defense ministries, the ability to independently maintain and upgrade critical defense infrastructure is a significant strategic advantage for Sweden.
The RM12 Enhanced Performance (RM12EP) programme is an upgrade initiative led by GKN Aerospace for the Swedish Armed Forces. Launched in 2019, it aims to improve the thrust, endurance, and efficiency of the RM12 engines powering the JAS 39 Gripen C/D fighter aircraft.
According to GKN Aerospace, the programme is valued at approximately £32 million, which equates to SEK 400 million.
All development, manufacturing, and maintenance work for the RM12 engine upgrades is carried out at GKN Aerospace’s facility in Trollhättan, Sweden.
The RM12EP programme involves strong collaboration between GKN Aerospace and key industry partners, including GE and Saab.
The RM12EP Upgrade Programme
Technical Enhancements
Production and Partnerships
Strategic Implications for the Swedish Air Force
AirPro News analysis
Frequently Asked Questions
What is the RM12EP programme?
How much is the RM12EP programme worth?
Where is the upgrade work being performed?
Who are the key partners in this programme?
Sources
Photo Credit: GKN Aerospace
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