Defense & Military
Boeing Uses Retired B-52 for Engine Integration Testing
Boeing repurposes retired B-52H “Damage Inc. II” to validate Rolls-Royce F130 engine installation for fleet modernization through 2050.
This article is based on an official press release and company news from Boeing.
From the Boneyard to the Lab: How “Damage Inc. II” Secures the B-52’s Future
In the high-stakes world of aerospace engineering, digital models are king. Yet, for the United States Air Force’s legendary B-52 Stratofortress, the most critical tool for modernization is not a computer simulation, but a resurrected 60-year-old airframe known as “Damage Inc. II.”
According to official reports from Boeing, this retired B-52H, tail number 61-0009, has been pulled from storage to serve as a ground-based integration model. Its mission is vital: to validate the installation of new Rolls-Royce F130 engines, ensuring the bomber fleet remains operational through 2050.
The initiative is part of the Commercial Engine Replacement Program (CERP), a massive undertaking to replace the aging Pratt & Whitney TF33 engines that have powered the B-52 since the 1960s. By using a physical “test bench,” engineers can bridge the gap between modern digital design and the physical realities of a Cold War-era Commercial-Aircraft.
The Resurrection of Tail 61-0009
Built in 1961, the aircraft now known as “Damage Inc. II” served for decades before being retired to the 309th Aerospace Maintenance and Regeneration Group (AMARG), commonly known as the “Boneyard”, at Davis-Monthan Air Force Base in Arizona in 2008. For nearly 14 years, it sat in the desert sun, seemingly destined for scrap.
However, in January 2022, the aircraft began a new chapter. According to Boeing, the fuselage and left wing were separated and transported 1,400 miles to a specialized facility near Tinker Air Force Base in Oklahoma City. The right wing and tail section were sent to a separate facility in Wichita, Kansas, for structural stress testing.
Currently housed in a “high bay” integration lab, the aircraft is no longer flight-worthy but serves a higher purpose. It acts as a high-fidelity mock-up, allowing Boeing and Air Force teams to physically interact with the airframe without taking an active-duty bomber out of service.
Bridging the Digital and Physical Worlds
While modern aerospace engineering relies heavily on “Digital Twins”, exact 3D virtual replicas of aircraft, the B-52 presents a unique challenge. Every Stratofortress was hand-built in the 1960s, resulting in slight variations from one airframe to the next. Sheet metal tolerances, rivet placements, and hydraulic line routing can differ in ways that digital blueprints might not fully capture.
Validating the Rolls-Royce F130 Integration
The primary role of “Damage Inc. II” is to de-risk the integration of the new Rolls-Royce F130 engines. These modern high-bypass turbofans are larger and heavier than the original engines, requiring new pylons and nacelles. Boeing engineers use the physical airframe to perform “fit checks,” ensuring that the new components attach correctly to the wing structure.
This physical validation is crucial for identifying potential clashes between new systems and existing infrastructure, such as pneumatic ducts and electrical wiring. By discovering these issues on a ground-based model, the program avoids costly delays during the modification of the active fleet.
Human Factors and Maintenance
Beyond structural fit, the mock-up is essential for testing maintenance ergonomics. Engineers and mechanics use the rig to simulate routine repair tasks, ensuring that technicians have enough clearance for their hands and tools. This focus on maintainability is expected to significantly reduce long-term sustainment costs.
“It allows the team to verify digital designs against the real-world irregularities of a 60-year-old airframe, ensuring the new engines fit and can be maintained properly before any active aircraft are modified.”
Summary of Boeing reports
Advanced Technology Integration
The work on “Damage Inc. II” is not limited to physical hardware. Boeing is employing “mixed reality” technologies to enhance the integration process. Engineers wearing Virtual Reality (VR) headsets can stand next to the physical fuselage and see digital overlays of the new engines and subsystems. This allows them to visualize how new components will route through the old airframe in real-time.
Data gathered from these physical tests is then fed back into the program’s “Digital Thread,” updating the master blueprints for the entire fleet. This cycle of physical testing and digital updating ensures that the modification kits produced for the operational B-52s will fit with minimal adjustments.
AirPro News Analysis
The reliance on a physical mock-up like “Damage Inc. II” highlights a critical reality in defense modernization: legacy platforms cannot be treated like new builds. While digital engineering has revolutionized aircraft design, the “hand-made” nature of mid-20th-century engineering requires a tactile approach.
By investing in this ground-based test bed, the Air Force is likely saving millions in potential retrofit costs. If a design flaw were discovered only after the first active B-52 entered the modification line, the resulting fleet-wide delays could be catastrophic for strategic readiness. “Damage Inc. II” effectively serves as an insurance policy for the B-52’s longevity.
Frequently Asked Questions
What is the B-52 CERP?
The Commercial Engine Replacement Program (CERP) is an Air Force initiative to replace the B-52’s eight TF33 engines with modern Rolls-Royce F130 engines, improving fuel efficiency by 30% and extending the aircraft’s life.
Will “Damage Inc. II” ever fly again?
No. The aircraft has been partially dismantled (fuselage and left wing only) and is permanently grounded as a structural test and integration model.
Where is the aircraft located?
It is currently housed at a Boeing facility near Tinker Air Force Base in Oklahoma City, Oklahoma.
Sources
Photo Credit: Boeing
Defense & Military
Saab Signs SEK 24.6B Gripen E Contract for Ukrainian Air Force
Saab AB finalizes a $2.5B deal to deliver 16 Gripen E fighters to Ukraine, with deliveries scheduled for 2029 to 2030.
Saab AB has finalized a SEK 24.6 billion contracts with the Swedish Defence Materiel Administration (FMV) to manufacture and deliver 16 Saab Gripen E fighter aircraft destined for the Ukrainian Air Force.
The agreement, signed on June 30, 2026, formalizes a bilateral defense commitment between Sweden and Ukraine and schedules aircraft deliveries for the 2029 to 2030 timeframe, according to a press release issued by the manufacturers.
Contract details and delivery timeline
The orders, valued at approximately $2.5 billion USD, includes the 16 airframes alongside spare parts and associated support equipment. Saab stated it will officially book the order in the third quarter of 2026. Manufacturing and initial deliveries will take place in Sweden, with the FMV receiving the aircraft before their subsequent transfer to Ukraine.
The Saab Gripen E is designed for operational resilience and dispersed operations. The Military-Aircraft can take off and land on short stretches of public roads or temporary runways. This capability aligns with the operational requirements of the Ukrainian Air Force amid ongoing threats to traditional airbase infrastructure.
Saab President and CEO Micael Johansson stated the agreement will provide a critical capability upgrade for the operator.
“I am deeply proud that Sweden and Saab can now enable the provision of Gripen E to Ukraine, bringing a world-class fighter that will transform the Ukrainian Air Force’s capability. This will significantly strengthen Ukraine’s air defence and help ensure the nation can protect its people and safeguard its future,” Johansson said.
Bilateral defense agreements and interim capabilities
The formal contract follows a May 28, 2026, announcement made in Uppsala, Sweden. During that meeting, Swedish Prime Minister Ulf Kristersson and Ukrainian President Volodymyr Zelenskyy outlined a broader air defense cooperation plan between the two nations.
Ukraine initially stated its intent to acquire up to 20 Saab Gripen E/F aircraft, of which 16 are now firmly contracted. To provide an interim capability boost while the newly ordered Gripen E models are manufactured, the Swedish government previously announced its intent to donate 16 older Saab Gripen C/D aircraft to Ukraine.
AirPro News analysis
The formalization of the Saab Gripen E contract represents a major shift in Western defense procurement for Ukraine, moving from the donation of legacy airframes to the direct commissioning of newly manufactured, advanced fighter aircraft. We view the 2029 to 2030 delivery window as an indicator that European defense planners are structuring support for the Ukrainian Air Force as a long-term modernization effort rather than strictly an immediate wartime stopgap. The Gripen E’s specific design parameters, particularly its low maintenance footprint and ability to conduct dispersed operations from austere locations, make it uniquely suited to the threat environment in Eastern Europe.
Sources: Saab AB
Photo Credit: SAAB
Defense & Military
Pratt Whitney F119 Engine Surpasses One Million Flight Hours
Pratt & Whitney’s F119 engine fleet hits 1 million flight hours, backed by a $1.5B USAF sustainment contract for the F-22 Raptor.
Pratt & Whitney announced on June 30, 2026, that its F119 engine fleet has surpassed one million cumulative flight hours, marking a major operational milestone for the propulsion system that powers the United States Air Force Lockheed Martin F-22 Raptor.
The milestone, announced from the manufacturers East Hartford, Connecticut headquarters, underscores the long-term viability of the world’s first fifth-generation fighter engine. With the final production F119 delivered in 2013, the focus has shifted entirely to sustainment and modernization to keep the F-22 fleet combat-ready.
Sustainment and fleet readiness
The achievement follows a major sustainment agreement secured on February 20, 2025, when Pratt & Whitney, an RTX business, was awarded a three-year contract valued at up to $1.5 billion to support the F119 fleet. The contract covers maintenance and modernization for more than 400 engines currently in service.
To maintain the engines decades after production ceased, Pratt & Whitney utilizes Model-Based Systems Engineering and a Usage-Based Lifing program. These initiatives are designed to lower lifecycle costs, improve readiness rates, and implement engine control schedule updates, ensuring the F-22 remains operationally viable for the United States Air-Forces (USAF).
Technological legacy and operational history
The F-22 Raptor entered operational service with the USAF on May 12, 2005. Each aircraft is powered by two F119 engines, which feature a unique thrust-vectoring nozzle. This design enables supercruise, allowing the aircraft to sustain supersonic speeds without engaging afterburners.
The technological foundation established by the F119 directly informed the development of the Pratt & Whitney F135 engine, which currently powers the Lockheed Martin F-35 Lightning II.
“Having powered the F-22 Raptor since it launched over 20 years ago, the engine continues to provide unmatched capability, safety and readiness rates,” said Jill Albertelli, President of Military Engines for Pratt & Whitney. “This milestone demonstrates Pratt & Whitney’s commitment to delivering for our customers.”
AirPro News analysis
Reaching one million flight hours on a closed-production engine line highlights the critical role of predictive maintenance and usage-based lifing in modern military aviation. Because the USAF cannot simply procure new F119 engines to replace aging units, the $1.5 billion sustainment contract awarded in 2025 is essential for maintaining the air superiority mission of the F-22.
We view the continued investment in F119 modernization as a clear indicator that the F-22 will remain a cornerstone of USAF operations well into the next decade, even as next-generation air dominance platforms are developed and fielded.
Sources: RTX (Pratt & Whitney)
Photo Credit: RTX
Defense & Military
Vertex Aerospace Wins $500M USAF C-12 Logistics Contract
Vertex Aerospace secures a $500M IDIQ contract for global C-12 fleet logistics support across 23 locations through 2031.
Vertex Aerospace LLC has secured a firm-fixed-price, indefinite-delivery/indefinite-quantity contract with a ceiling of $500,000,000 to provide global contractor logistic support for the United States Air Force C-12 aircraft fleet.
Awarded on June 26, 2026, by the Air Force Life Cycle Management Center at Tinker Air Force Base (TIK), the agreement ensures operational readiness for the military variant of the Beechcraft King Air. According to the Department of Defense contract announcement, the C-12 fleet provides time-sensitive movement of personnel, cargo, and medical evacuation services.
Mission and command support
The logistics support contract covers a broad operational mandate. Beyond standard transport and medical evacuation, Vertex Aerospace will provide test support for several key defense entities. These include the Air Force Materiel Command (AFMC), the Defense Intelligence Agency (DIA), the Defense Security Cooperation Agency (DSCA), and Pacific Air Forces (PACAF).
The acquisition was conducted as a competitive process, with the Air Force receiving three offers. The contracts also involves Foreign Military Sales, reflecting the international footprint of C-12 operations and allied support requirements.
Global footprint and funding
Work under the contract will be distributed across 23 locations worldwide, supporting the highly dispersed nature of the C-12 fleet. Domestic work sites include Joint Base Elmendorf-Richardson in Alaska, Edwards Air Force Base in California, Joint Base Andrews in Maryland, Holloman Air Force Base in New Mexico, and Vertex Aerospace facilities in Madison, Mississippi.
International support locations span South America, Africa, Europe, and Asia-Pacific. Designated sites include Buenos Aires, Argentina; Gaborone, Botswana; Brasilia, Brazil; Bogota, Colombia; Cairo, Egypt; Accra, Ghana; Tegucigalpa, Honduras; Budapest, Hungary; Yokota Air Base, Japan; Nairobi, Kenya; Rabat, Morocco; Manila, Philippines; Riyadh, Saudi Arabia; Bangkok, Thailand; Ankara, Turkey; and Oslo, Norway.
Initial funding obligated at the time of the award includes $237,125 in fiscal 2026 operation and maintenance funds, $7,250 in research, development, test, and evaluation funds, and $5,659 in Foreign Military Sales funds. The Department of Defense expects all work to be completed by June 30, 2031.
AirPro News analysis
The C-12 Huron serves as a critical utility workhorse for the United States military-aircraft and allied nations. Because these twin-engine turboprops operate in small detachments across a vast geographic area rather than being concentrated at a few major hubs, maintaining fleet readiness requires a highly distributed logistics network. We view this $500,000,000 ceiling contract as a reflection of the logistical complexity involved in supporting a globally dispersed fleet. By consolidating support under a single indefinite-delivery/indefinite-quantity vehicle, the Air Force Life Cycle Management Center ensures consistent maintenance standards and parts availability from domestic test centers to remote international support locations.
Sources: U.S. Department of Defense
Photo Credit: Yokota Air Base – Air Force
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