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NASA Adds Retired F-15 Jets to Support X-59 Supersonic Research

NASA acquires two retired F-15 Eagles from the Oregon Air National Guard to support the X-59 Quesst supersonic flight research program.

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This article is based on an official press release from NASA.

NASA Bolsters Supersonic Research Fleet with Retired Air Force F-15s

NASA has officially expanded its flight research capabilities by acquiring two retired F-15 Eagle aircraft from the U.S. Air Force. According to an official announcement from the agency, the jets arrived at NASA’s Armstrong Flight Research Center in Edwards, California, on December 22, 2025. These Military-Aircraft are slated to play a critical role in supporting the agency’s ongoing supersonic flight research, specifically the X-59 Quesst mission.

The transfer involves aircraft previously assigned to the Oregon Air National Guard’s 173rd Fighter Wing, based at Kingsley Field in Klamath Falls, Oregon. Rather than being sent to long-term storage, these high-performance jets have been redirected to support civil aviation research. NASA officials confirmed that the acquisition is part of a strategic effort to maintain a robust fleet capable of keeping pace with next-generation experimental aircraft.

The primary objective for these newly acquired assets is to support the X-59 Quesst (Quiet SuperSonic Technology) demonstrator. As the X-59 prepares for high-speed trials, the F-15s will serve as “chase planes,” providing essential visual verification and data collection during supersonic flight tests.

Operational Strategy: One to Fly, One for Parts

In a move designed to ensure long-term sustainability for the program, NASA revealed that the two aircraft will serve different functions. One of the F-15s will be modified to become an active research platform, joining the flight line at Armstrong. The second aircraft will be utilized as a “parts bird,” effectively serving as a donor airframe to provide spare components to keep the flying aircraft operational.

This logistical strategy addresses the challenge of maintaining older military airframes. By securing a dedicated source of spare parts immediately, NASA ensures that the active chase plane can remain flight-worthy throughout the duration of the X-59 program without facing supply chain delays common to legacy aircraft.

Role as a Chase Plane

The active F-15 will act as a chase plane, a vital component of flight testing. Chase planes fly in close formation with experimental aircraft to monitor safety, verify the operation of control surfaces, and capture high-resolution imagery. For the X-59 mission, the chase plane must match the experimental jet’s speed and altitude capabilities.

Troy Asher, Director for Flight Operations at NASA Armstrong, emphasized the importance of this Acquisitions in the official release:

“These two aircraft will enable successful data collection and chase plane capabilities for the X-59 through the life of the Low Boom Flight Demonstrator project.”

, Troy Asher, Director for Flight Operations at NASA Armstrong

Supporting the X-59 Quesst Mission

The timing of this acquisition aligns with critical milestones for the X-59 Quesst mission. The X-59 is designed to fly at supersonic speeds while generating a quiet “thump” rather than a disruptive sonic boom. Validating this technology requires a chase aircraft capable of sustained supersonic flight.

According to mission data, the X-59 completed its first flight on October 28, 2025, validating its subsonic airworthiness. The program is currently undergoing planned maintenance, with supersonic flight testing scheduled to begin in March 2026. The F-15, with a top speed exceeding Mach 2.5 (approximately 1,650 mph), is one of the few platforms capable of keeping up with the X-59 during these high-speed envelope expansion flights.

Technical Capabilities

NASA has a long history of utilizing the F-15 Eagle, dating back to the 1970s. The aircraft is favored for its robust airframe, twin-engine reliability, and high service ceiling of over 60,000 feet. The specific aircraft acquired are expected to be modified with research instrumentation, potentially including air-to-air schlieren photography equipment to visualize shockwaves.

“NASA has been flying F-15s since some of the earliest models came out… The F-15s allow NASA to operate in high-speed, high-altitude flight-testing environments.”

, Troy Asher, Director for Flight Operations at NASA Armstrong

AirPro News Analysis

Strategic Asset Management: We view this acquisition as a prime example of government efficiency through asset “upcycling.” The 173rd Fighter Wing is currently retiring its F-15 fleet as part of a broader Air Force transition. By transferring these assets to NASA rather than sending them to the “boneyard” (the Aerospace Maintenance and Regeneration Group in Arizona), the government extends the return on investment for these airframes.

Furthermore, the “parts bird” strategy suggests that NASA is preparing for an intensive flight schedule in 2026. As the X-59 moves toward community overflight testing to gather data for regulators, the reliability of the support fleet will be just as critical as the experimental aircraft itself. Without a reliable supersonic chase plane, the X-59 cannot safely push the boundaries of quiet supersonic travel.

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Photo Credit: NASA

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Space & Satellites

Amazon in $9B Talks to Acquire Globalstar Satellite Provider

Amazon is negotiating to buy Globalstar for $9 billion to expand its Amazon Leo satellite network amid Apple’s 20% stake and SpaceX competition.

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This article summarizes reporting by Reuters and the Financial Times. This article summarizes publicly available elements, market data, and industry research.

Amazon is reportedly in advanced negotiations to acquire the satellite telecommunications provider Globalstar in a deal valued at approximately $9 billion. The potential acquisition, first reported by the Financial Times on April 1, 2026, marks a significant escalation in the ongoing space race between major technology and aerospace firms.

The move is widely seen as a strategic effort by Amazon to accelerate the deployment of its low-Earth orbit (LEO) satellite internet network, recently rebranded as Amazon Leo. By acquiring Globalstar, Amazon would gain immediate access to critical infrastructure and highly coveted spectrum licenses, potentially narrowing the operational gap with industry leader SpaceX.

However, the transaction faces a unique and complex hurdle: Apple. The iPhone manufacturer holds a 20% equity stake in Globalstar and relies heavily on its network for critical safety features, setting the stage for a rare negotiation dynamic between two of the world’s largest consumer technology rivals.

Amazon is in talks to acquire satellite telecommunications group Globalstar, the Financial Times reported on Wednesday, citing people familiar with the matter.

As noted in the Reuters summary of the FT report, these discussions remain ongoing and hinge on several complex regulatory and corporate factors.

The Strategic Rationale for Amazon

Closing the Competitor Gap

Amazon is currently working to establish its satellite internet presence, but it trails significantly behind SpaceX’s Starlink. According to industry research, Starlink currently dominates the sector with over 10,000 satellites in orbit and serves more than 10 million subscribers. In contrast, Amazon Leo, formerly known as Project Kuiper before its November 2025 rebranding, currently operates an estimated 200 to 212 satellites.

Regulatory pressures are also mounting on the e-commerce giant. Amazon faces a strict Federal Communications Commission (FCC) mandate to deploy half of its planned 3,232-satellite constellation by mid-2026. While the company recently requested a two-year extension from regulators, the urgency to scale its orbital operations remains high.

Spectrum and Commercial Expansion

Acquiring Globalstar would provide Amazon with an immediate, functional operational foundation. Industry analysts note that the true prize of the $9 billion valuation is not necessarily Globalstar’s existing 24-satellite LEO constellation, but rather its globally harmonized L-band and S-band spectrum licenses. These finite radio frequencies are notoriously difficult to secure and are essential for global telecommunications.

Furthermore, Amazon is already securing major commercial clients for its nascent network. On March 31, 2026, the company announced a partnership to provide satellite-powered Wi-Fi for 500 Delta Airlines aircraft, with services scheduled to begin in 2028. Globalstar’s existing network of 24 global ground station gateways could prove instrumental in supporting these upcoming commercial obligations.

Financials and the Apple Complication

Globalstar’s Market Position

Globalstar has established itself as a veteran in the satellite telecommunications sector, providing voice, data, and asset-tracking services. Financial data indicates the company reached profitability in 2025, recording $273 million in revenue. Following the initial reports of Amazon’s acquisition talks, Globalstar’s stock (NASDAQ: GSAT) surged by 24% in after-hours trading, pushing its market capitalization toward the reported $9 billion deal value.

The Apple Factor

The most significant complication in the proposed acquisition is Apple’s deep integration with Globalstar’s infrastructure. In late 2024, Apple invested $1.5 billion into the satellite operator, securing a 20% equity stake.

Currently, Globalstar reserves 85% of its network capacity exclusively for Apple. This dedicated capacity powers the “Emergency SOS via Satellite” and messaging features available on the iPhone 14 and subsequent models. Financial reports show that this wholesale capacity segment generated $46.29 million for Globalstar in the first quarter of fiscal year 2026 alone.

As a major shareholder, Apple effectively holds veto power over a total sale of the company. Reports suggest that Amazon is engaged in parallel negotiations with Apple to either buy out its stake or establish guarantees for the continuity of iPhone satellite services under Amazon’s ownership.

AirPro News analysis

We view this potential acquisition as a defining moment in the commercialization of low-Earth orbit. Amazon’s willingness to spend $9 billion on Globalstar underscores the immense capital required to compete in the satellite internet sector. It also highlights a broader trend of major technology companies vertically integrating their infrastructure, moving beyond terrestrial data centers to own the physical, space-based backbone of the global digital economy.

The dynamic between Amazon and Apple in this deal is particularly noteworthy. Amazon is attempting to purchase a strategic asset to compete with Elon Musk’s SpaceX, but to execute the deal, it must negotiate terms with Tim Cook’s Apple. How these three tech titans navigate this intersection of interests will likely set precedents for future infrastructure acquisitions in the aerospace and telecommunications sectors.

Frequently Asked Questions

What is Amazon Leo?

Amazon Leo is the new name for Amazon’s low-Earth orbit satellite internet network, formerly known as Project Kuiper. The company officially rebranded the initiative in November 2025.

Why does Apple own a stake in Globalstar?

Apple invested $1.5 billion in Globalstar in late 2024 to secure dedicated network capacity. This infrastructure powers the satellite-based safety and messaging features built into modern iPhones.

How many satellites does SpaceX have compared to Amazon?

According to recent industry data, SpaceX’s Starlink operates over 10,000 satellites, while Amazon Leo currently has approximately 200 to 212 satellites in orbit.

Sources: Reuters, Financial Times, AirPro News Industry Research

Photo Credit: Globalstar

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Axelspace Leads JAXA Project for Advanced Greenhouse Gas Monitoring

Axelspace leads a JAXA-backed consortium to develop a multi-layered satellite system for precise greenhouse gas monitoring, combating corporate greenwashing.

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This article is based on an official press release from Axelspace.

Axelspace Corporation has been selected to lead a major climate technology initiative under Phase II of the Japan Aerospace Exploration Agency’s (JAXA) Space Strategy Fund. According to an official press release, the project aims to develop a highly accurate, multi-layered greenhouse gas (GHG) monitoring system to track carbon emissions and combat corporate greenwashing.

Backed by up to 3 billion JPY in government funding over a planned six-year period, the initiative brings together a consortium of major Japanese corporations. We note that this development marks a significant step in commercializing climate technology, transitioning from large, government-operated satellites to agile, private-sector constellations.

Source-Specific CO2 Emission and Uptake Monitoring through Satellite Constellation and Aircraft Observations.

The official title of the project, as stated in the consortium’s release, highlights the comprehensive approach of combining space-based and atmospheric data collection.

The Technological Leap in Greenhouse Gas Monitoring

Transitioning to Commercial Constellations

Japan has a strong legacy in greenhouse gas monitoring, having been the first country to launch a dedicated observation satellite with the Ibuki/GOSAT mission. Building on this foundation, the Axelspace-led consortium plans to miniaturize and reduce the cost of spectrometers. According to the project details, these compact sensors will measure gas concentrations by analyzing light absorption and will be deployed across a network of satellites, aircraft, and ground stations.

Following initial aircraft-based validation tests, the consortium intends to launch a demonstration satellite equipped with the newly developed sensor between fiscal years 2030 and 2032. Ultimately, the group envisions a coordinated satellite constellation capable of taking simultaneous, multi-point observations at different times of the day, specifically morning, noon, and afternoon, over major urban centers.

Comprehensive Data Integration

To ensure the credibility of the collected data, the project will not rely on CO2 measurements alone. The consortium plans to cross-reference CO2 estimates with other critical datasets. Based on the provided research, these include nitrogen dioxide (NO2) emissions from fossil fuels, solar-induced chlorophyll fluorescence (SIF) from vegetation, and meteorological data such as wind speed and direction.

Consortium Roles and Cross-Industry Collaboration

Key Players and Responsibilities

The project is spearheaded by Akihiko Kuze of Axelspace, a veteran researcher who previously served as the Project Manager for JAXA’s Ibuki-2 (GOSAT-2) mission. Axelspace will oversee onboard sensor development, establish the aircraft-based validation framework, optimize data processing, and manage the development and operation of the demonstration satellite.

Other key consortium members bring specialized expertise to the initiative:

  • Meisei Electric Co., Ltd.: Leveraging its experience with JAXA missions like Hayabusa2 and SLIM, Meisei will handle the integration design and evaluation of the domestically developed detector, as well as build the demonstration sensor for in-orbit validation.
  • ANA HOLDINGS INC.: The aviation giant will utilize its commercial flight network to provide onboard testing environments for the sensors, combining aircraft-based observations with satellite data to refine carbon budget analysis.
  • JIJ Inc.: A pioneer in quantum technologies, JIJ will apply mathematical optimization and quantum computing to process vast amounts of complex atmospheric data and develop high-accuracy algorithms for quantifying CO2 emissions.

Additionally, the project is supported by collaborators including Kagawa University, MUFG Bank, Ltd., Tokio Marine & Nichido Fire Insurance Co., Ltd., and the Universities Space Research Association (USRA).

Financial Implications and Market Creation

Funding and Corporate Impact

The JAXA Space Strategy Fund’s Phase II allocates a total of 300 billion JPY to support private-sector-led technology development. For this specific project, the consortium has secured a maximum funding cap of 3 billion JPY, which will cover satellite manufacturing, launch, and development costs over the planned six-year period.

According to the official release, Axelspace Holdings Corp. (Ticker: 402A.T) expects to receive an amount equivalent to at least 10 percent of its consolidated net sales for the fiscal year ended May 2025 over the course of the project. These financial benefits are projected to contribute to the company’s consolidated financial results starting from the fiscal year ending May 2027.

AirPro News analysis

We view this consortium as a critical intersection of “New Space” innovation, legacy aviation, traditional meteorological technology, and cutting-edge quantum computing. The explicit focus on combating “greenwashing” addresses a major pain point in global climate policy: the lack of granular, objective data to verify corporate and governmental net-zero claims.

By identifying exact emission sources, such as specific factories, power plants, or cities, and uptake sources like forests at various times of the day, this technology forces a new level of transparency. Furthermore, the integration of quantum computing by JIJ Inc. to process complex urban atmospheric data represents a highly forward-looking approach to climate modeling. This initiative not only advances environmental monitoring but also positions Japan to export a globally harmonized evaluation framework, potentially creating new economic incentives and benchmarks for international carbon trading.

Frequently Asked Questions

What is the JAXA Space Strategy Fund?

The Space Strategy Fund is a Japanese government initiative backed by multiple ministries designed to strengthen the competitiveness of Japan’s space industry. Phase II allocates 300 billion JPY to support private-sector-led technology development and commercialization.

When will the new CO2 monitoring satellites launch?

The consortium plans to launch a demonstration satellite equipped with the new compact sensor between fiscal years 2030 and 2032, following extensive aircraft-based validation tests.

How does this project prevent “greenwashing”?

By utilizing a multi-layered network of satellites, commercial flights, and ground stations, the system will provide highly accurate, source-specific data on greenhouse gas emissions. This objective data makes it difficult for entities to overstate their environmental responsibility or hide localized emissions.

Sources: Axelspace Press Release

Photo Credit: Axelspace

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Space & Satellites

ArianeGroup and IHI Aerospace Expand Space Surveillance in Japan

ArianeGroup and IHI Aerospace sign an MoU to jointly operate a new optical space surveillance station in Aioi, expanding the Helix network’s coverage.

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This article is based on an official press release from ArianeGroup.

On April 1, 2026, European aerospace leader ArianeGroup and Japan’s IHI Aerospace signed a landmark Memorandum of Understanding (MoU) to jointly operate a new optical space surveillance station in Aioi, Japan. According to the official press release issued on April 2, the agreement was formalized at the Tokyo Innovation Base in Marunouchi, Tokyo, marking a significant milestone in Franco-Japanese space cooperation.

The signing ceremony carried substantial geopolitical weight, attended by French President Emmanuel Macron and Philippe Baptiste, the French Minister for Higher Education, Research and Space-Agencies. Representing ArianeGroup was its newly appointed CEO, Christophe Bruneau, who signed the international agreement on his very first day in the role. The new facility in Aioi will be integrated into ArianeGroup’s “Helix” network, which currently stands as Europe’s leading private space surveillance system.

As orbital congestion and the militarization of space continue to accelerate, Space Situational Awareness (SSA) has become a critical component of national and international security. This partnership aims to enhance the tracking of space objects, enrich orbital data catalogues, and reinforce the strategic autonomy of both allied nations.

Expanding the Helix Network in the Indo-Pacific

Technical Capabilities of the Aioi Station

The newly formalized Aioi facility represents a major technical expansion for ArianeGroup. According to the company’s press release, this land-based optical station is the 16th installation in the global Helix network. To achieve its surveillance objectives, the station incorporates the network’s 45th, 46th, and 47th optical sensors.

Developed originally in 2017, the Helix network is designed to detect, track, and characterize space objects to protect critical satellite infrastructure from collisions, interference, and hostile acts. The addition of the Japanese station significantly broadens the network’s orbital coverage. The facility provides round-the-clock tracking capabilities across Low Earth Orbit (LEO) using both operational and experimental equipment. Furthermore, it extends surveillance into Medium Earth Orbit (MEO), Geosynchronous Earth Orbit (GEO), and Highly Elliptical Orbit (HEO).

ArianeGroup notes that the entire Helix system is supported by a centralized Command and Control (C2) center. This hub integrates the latest innovations in optical and laser technology, Automation, and AI-powered data processing to manage the vast amounts of telemetry generated by the network’s global sensors.

A Decade in the Making: The Franco-Japanese Space Alliance

Progressive Collaboration

The April 2026 agreement is the culmination of a progressively strengthening relationship between ArianeGroup and IHI Aerospace. Industry data indicates that the two Manufacturers first signed an initial MoU to collaborate on space situational awareness in 2017. By 2022, the partnership had evolved to include the active sharing of geosynchronous orbit (GEO) data.

In 2025, the partners physically deployed the joint optical space surveillance station at IHI Aerospace’s industrial site in Aioi. The latest MoU officially formalizes their collaboration around the joint operation of this specific station, transitioning the project from deployment to active, shared management.

“The Partnerships aims to enhance Space Situational Awareness (SSA), enrich orbital data catalogues, and reinforce the strategic autonomy and space sovereignty of both France and Japan amidst the growing congestion and militarization of space.”

This symbiotic relationship allows ArianeGroup to receive increased, high-precision data to enrich its global catalogue of space objects, while IHI Aerospace gains expanded access to vital orbital information necessary for domestic space operations.

Strategic Implications for Space Sovereignty

AirPro News analysis

At AirPro News, we view this development as a clear indicator of where the aerospace defense sector is heading. The presence of President Emmanuel Macron and Minister Philippe Baptiste at a corporate MoU signing underscores that this is not merely a commercial technology deployment; it is a matter of national security and “space sovereignty.” Space infrastructure is increasingly critical for global communications, Navigation, and defense. By backing this joint venture, France and Japan are signaling a unified front in the Indo-Pacific and space domains.

Furthermore, the timing of the signing provides a compelling narrative regarding ArianeGroup’s corporate strategy. Christophe Bruneau executing a major international treaty on his first day as CEO projects an image of aggressive forward momentum for the European launch provider. It demonstrates a clear prioritization of data and surveillance services alongside traditional launch capabilities.

Finally, the expansion of the Helix network highlights the broader industry crisis of space congestion. With tens of thousands of objects currently in orbit, ranging from active megaconstellations to dangerous space debris, private networks utilizing AI and optical sensors are becoming just as crucial to the space economy as the rockets that deliver payloads to orbit. Autonomous, highly accurate tracking is no longer a luxury; it is a fundamental requirement for safe spaceflight.

Frequently Asked Questions (FAQ)

What is the Helix network?

Developed by ArianeGroup in 2017, Helix is Europe’s largest private space surveillance network. It uses a global array of optical sensors and AI-driven data processing to detect, track, and characterize objects in space, helping operators avoid collisions and monitor potential threats.

Why is the Aioi station significant?

The Aioi station is the 16th facility in the Helix network and the first formalized joint operation of its kind between ArianeGroup and Japan’s IHI Aerospace. It adds three new optical sensors (the 45th, 46th, and 47th in the network) and significantly expands surveillance coverage over the Indo-Pacific region across multiple orbital regimes (LEO, MEO, GEO, and HEO).

Why is Space Situational Awareness (SSA) important?

With the rapid multiplication of space debris and the increasing militarization of space, SSA is vital for protecting satellites from collisions, jamming, and espionage. It ensures that nations and private companies can operate safely and autonomously in an increasingly crowded orbital environment.


Sources: ArianeGroup Press Release

Photo Credit: ArianeGroup

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