Space & Satellites
Airbus PAZ-2 Satellites Boost Spain’s Earth Observation Capabilities
Airbus secures €1B contract to develop advanced PAZ-2 radar satellites for Spain, enhancing defense and civil monitoring with sub-25cm resolution. Operational by 2031.
The recent contract awarded to Airbus Defence and Space for the development of two PAZ-2 radar satellites marks a pivotal moment in Spain’s space and defense strategy. Commissioned by Hisdesat on behalf of the Spanish Ministry of Defence, the program ensures continuity of Earth observation capabilities following the extended service of the PAZ-1 satellite, operational since 2018. With technological enhancements that include sub-25 centimeter resolution and the ability to cover up to 6.7 million km² per day per satellite, PAZ-2 is poised to significantly elevate Spain’s capacity for strategic surveillance, disaster response, and civil infrastructure monitoring.
More than just a technological upgrade, the PAZ-2 initiative also represents a strategic investment in national industry, with approximately 65% of the satellite components and systems being developed within Spain. Airbus will lead a consortium of over 15 Spanish companies, consolidating national expertise and reinforcing Spain’s role within the broader European space sector. The first satellite is expected to be operational by mid-2031, introducing one of the most advanced synthetic aperture radar (SAR) systems currently in development.
The PAZ-1 satellite, launched in 2018, was Spain’s first radar-based Earth observation satellite. Developed by Airbus and operated by Hisdesat, PAZ-1 was placed in a sun-synchronous orbit and equipped with an X-band SAR capable of capturing high-resolution images in all weather conditions and during both day and night. The satellite’s versatility across multiple imaging modes made it suitable for a wide range of applications, from defense intelligence to environmental monitoring.
Originally designed for a five-year operational life, PAZ-1 has exceeded expectations by remaining functional well into its seventh year. This extended use was made possible by conservative fuel consumption and robust system engineering. However, as the satellite aged, concerns about reliability and continuity of service began to surface, particularly within defense circles.
Recognizing the strategic importance of maintaining uninterrupted observation capabilities, the Spanish Ministry of Defence extended the operational support for PAZ-1 through 2028. This extension, coupled with delays in launching a successor, highlighted the urgency for a new generation of satellites, leading to the initiation of the PAZ-2 program.
Despite the critical need for a replacement, the PAZ-2 program experienced delays primarily due to funding constraints. It wasn’t until April 2025 that the Spanish government approved a €1.011 billion loan to Hisdesat, unlocking the financial resources necessary to proceed with the development of the new satellites. The delay in funding pushed the timeline for deployment, with the first satellite now scheduled for launch by mid-2031.
This funding was structured as a sovereign-backed loan, emphasizing the national importance of the project. The program’s financial architecture reflects a long-term commitment to technological sovereignty and resilience in the face of growing global competition in space-based intelligence and surveillance.
The extended service of PAZ-1, despite its success, underlined the risks of relying on aging infrastructure. The PAZ-2 satellites aim to mitigate these risks by introducing cutting-edge capabilities that not only match but surpass global benchmarks in SAR technology. The PAZ-2 satellites will feature significant improvements over their predecessor. The most notable advancement is the image resolution, which will improve to better than 25 centimeters. This level of detail allows for the identification of small objects and structural features from orbit, enhancing both military and civilian uses.
In terms of coverage, each PAZ-2 satellite will be capable of imaging up to 6.7 million km² per day, orbiting the Earth 16 times daily. This increased frequency and area coverage will provide near real-time data for time-sensitive operations such as disaster response, border monitoring, and infrastructure assessment.
The satellites will utilize advanced X-band SAR technology, known for its ability to capture high-resolution images regardless of weather conditions or lighting. This makes the system particularly valuable for operations in regions with frequent cloud cover or during nighttime.
“These satellites will multiply Spain’s Earth observation capacity exponentially while establishing new standards for European space resilience.”, Alain Fauré, Head of Airbus Space Systems
While the primary mission of the PAZ-2 satellites is to serve Spain’s defense and intelligence needs, the technology is designed with dual-use functionality in mind. Civilian applications include monitoring infrastructure for structural integrity, tracking environmental changes, and supporting emergency response during natural disasters.
The satellites’ ability to operate around the clock and in all weather conditions makes them particularly useful for continuous monitoring. For example, they can detect minute shifts in terrain that may indicate landslides or monitor flood zones in real time to assist in evacuation planning.
Military applications will benefit from the improved resolution and coverage, enabling better surveillance of strategic areas, including maritime zones and border regions. The data collected will be critical for mission planning and threat assessment.
A significant aspect of the PAZ-2 program is its emphasis on domestic industry involvement. Approximately 65% of the satellite components and systems will be developed by Spanish companies, with Airbus leading the effort from its facility in Getafe. This approach not only supports local economies but also strengthens Spain’s technological base in the aerospace sector.
The consortium includes over 15 Spanish firms, contributing expertise in areas such as radar systems, software development, and satellite integration. This collaborative model is designed to foster innovation and ensure that critical knowledge and capabilities remain within national borders. By investing in local talent and infrastructure, the program also aims to create high-skilled jobs and stimulate further research and development in the space industry. This long-term vision aligns with broader European goals of achieving greater autonomy in space technologies.
The €1.011 billion loan approved by the Spanish government underscores the strategic importance of the PAZ-2 program. Structured over several years, the funding will support all phases of the satellite development, from design and manufacturing to testing and launch preparation.
This investment is expected to yield significant economic returns, not only through the creation of jobs but also by positioning Spain as a key player in the global SAR market. The infrastructure and expertise developed during the project will have applications beyond PAZ-2, potentially supporting future satellite missions and commercial ventures.
Moreover, the program is seen as a catalyst for broader industrial growth, with potential spillover effects in related sectors such as telecommunications, defense, and environmental monitoring.
In an increasingly complex geopolitical landscape, the PAZ-2 satellites offer Spain a critical tool for maintaining national security and sovereignty. By ensuring independent access to high-resolution Earth observation data, the country reduces its reliance on foreign systems and enhances its ability to respond to emerging threats.
The satellites will support a range of defense operations, including intelligence gathering, surveillance, and reconnaissance. Their advanced capabilities will enable the Spanish Armed Forces to monitor developments in sensitive regions and coordinate responses with greater precision.
This autonomy is particularly important given global tensions and the growing militarization of space. The PAZ-2 program positions Spain to play a more active role in European and NATO defense initiatives, contributing valuable data and capabilities to joint operations.
The PAZ-2 initiative also contributes to broader European efforts to build a resilient and autonomous space infrastructure. By developing high-end SAR capabilities within Europe, the program supports the European Union’s strategic objectives in space and defense. Airbus’ leadership in the project reinforces its position as a central player in the European aerospace industry. The company’s role in integrating PAZ-2 with other European systems, such as the Copernicus program, highlights the potential for enhanced cooperation and data sharing across the continent.
Furthermore, the program serves as a model for future collaborations between public and private entities, demonstrating how strategic Investments can yield both national and continental benefits.
The PAZ-2 satellite program represents a significant advancement in Spain’s Earth observation capabilities, combining cutting-edge technology with strategic national interests. With improved resolution, expanded coverage, and dual-use functionality, the satellites will provide critical data for both military and civilian applications.
Beyond its technical achievements, the program exemplifies a broader commitment to industrial development and strategic autonomy. By investing in domestic capabilities and fostering European collaboration, Spain is positioning itself as a leader in space-based intelligence and surveillance. The success of PAZ-2 will likely influence future space initiatives and contribute to the resilience of Europe’s security and technological infrastructure.
What is the PAZ-2 satellite program? How does PAZ-2 improve on PAZ-1? When will the PAZ-2 satellites be operational? Who is involved in the PAZ-2 program? What are the main applications of PAZ-2? Sources: Airbus, Infodefensa, SpaceNews, Hisdesat
Airbus and the PAZ-2 Satellite Program: Advancing Spain’s Earth Observation Capabilities
Historical Context: PAZ-1 and the Evolution of Spanish Earth Observation
PAZ-1: Origins and Capabilities
Delays and Funding Challenges
Technical Advancements in PAZ-2
Enhanced Imaging and Coverage
Dual-Use Capabilities
Industrial Collaboration and Economic Impact
Spanish Industry Participation
Funding and Economic Strategy
Strategic and Geopolitical Implications
National Security and Sovereignty
European Collaboration and Leadership
Conclusion
FAQ
The PAZ-2 program involves the development of two advanced radar satellites by Airbus for Hisdesat and the Spanish Ministry of Defence, aimed at enhancing Spain’s Earth observation capabilities.
PAZ-2 will offer better image resolution (sub-25 cm), greater daily coverage (6.7 million km²), and more frequent orbits (16 per day), along with enhanced all-weather, 24/7 imaging capabilities.
The first PAZ-2 satellite is expected to be operational by mid-2031, pending successful development and testing phases.
Airbus leads the program, working with Hisdesat and over 15 Spanish companies. The Spanish government funds the project through a €1.011 billion loan.
The satellites will support military intelligence, border control, disaster response, infrastructure monitoring, and environmental assessment.
Photo Credit: Airbus
Space & Satellites
Slingshot Aerospace on Fast Company’s 2026 Most Innovative List
Slingshot Aerospace recognized by Fast Company in 2026 for AI-driven space defense tech and key U.S. Space Force contracts.
On March 24, 2026, Slingshot Aerospace announced its inclusion in Fast Company’s annual “World’s Most Innovative Companies of 2026” list. The company was specifically recognized within the Defense Tech category, highlighting its ongoing development of artificial intelligence-powered solutions for the space sector.
According to the official press release, the recognition centers on Slingshot’s pioneering role in Space Operations Intelligence & Autonomy (SOIA). The company provides specialized platforms that assist government, defense, and commercial partners in tracking, interpreting, and responding to activities within an increasingly complex orbital environment.
This is not the first time the publication has highlighted the firm’s technological advancements. In 2024, Slingshot Aerospace was ranked No. 48 on Fast Company’s overall “World’s 50 Most Innovative Companies” list and was featured prominently in the Space category. We at AirPro News note that this latest accolade follows a series of significant defense contracts and security certifications achieved by the company over the past two years.
Slingshot Aerospace has positioned itself as a category creator and leader in SOIA. The company’s core mission involves transforming disparate space data into a unified, common operating picture to strengthen both space-based defense and commercial capabilities.
To achieve this, the company relies on its proprietary infrastructure. According to the provided company data, the Slingshot Global Sensor Network operates a resilient, distributed space object tracking system comprising over 200 daytime and nighttime optical sensors. These sensors are distributed across more than 20 sites globally.
This hardware network feeds directly into the Slingshot Platform, which utilizes advanced space object tracking, artificial intelligence, astrodynamics, and data fusion. The resulting dynamic operational pictures are used for training, planning, and live mission execution by high-profile clients, including Department of Defense (DoD) agencies such as the U.S. Space Force, U.S. Air Force, and DARPA, as well as civil agencies like NOAA and NASA.
The Fast Company award in the Defense Tech category is underpinned by several major operational and financial developments between 2024 and 2026. On January 15, 2026, Slingshot secured a $27 million contract with the U.S. Space Force. The company stated this funding is directed toward modernizing scenario training for space warfare. As part of the Space Force’s Operational Test and Training Infrastructure (OTTI) program, Slingshot is integrating an autonomous, AI-powered agent named “TALOS.” This system realistically imitates satellite behavior and machine-speed adversaries to help Guardians train in a digital environment that mirrors modern orbital threats.
Other notable agreements include a January 2025 selection by the Space Force to provide technology specifically designed for detecting GPS jamming and spoofing threats. Additionally, in December 2024, the company was awarded a $13.3 million contract by the National Oceanic and Atmospheric Administration (NOAA) to develop the user interface for the Traffic Coordination System for Space (TraCSS).
On February 24, 2026, the company achieved Cybersecurity Maturity Model Certification (CMMC) Level 2. This certification validates Slingshot’s capability to protect Controlled Unclassified Information (CUI) for DoD missions, allowing the secure deployment of its AI-powered tracking capabilities within highly sensitive defense environments.
“This achievement represents more than a compliance milestone for Slingshot Aerospace. It reaffirms our deep-rooted culture of excellence and our unwavering commitment to protecting the critical data that underpins U.S. and allied space missions,” said Tim Solms, CEO of Slingshot Aerospace, in the company’s release. The inclusion in the 2026 Fast Company list reflects broader organizational growth and a strategic focus on actionable intelligence in contested environments.
“This award reflects the powerful combination of Slingshot’s innovative culture, our talented and empowered team’s creativity, the visionary leadership of our co-founders, and strong investor support. It underscores our commitment to delivering AI solutions that fuse data into actionable insight, enabling faster decisions and confident action in today’s contested space environment,” Solms stated regarding the Fast Company recognition. We observe that Slingshot Aerospace’s transition from commercial space traffic coordination to advanced, AI-driven counterspace training and threat detection aligns closely with broader geopolitical and aerospace trends. The militarization of space has accelerated, with near-peer adversaries advancing autonomous space capabilities and adopting real-time maneuver tactics.
Industry data indicates that as of early 2024, there were over 8,300 active satellites in orbit, a number that continues to grow rapidly due to commercial mega-constellations. Helping operators avoid collisions and dodge space debris has become a critical sector of the space economy. Slingshot’s focus on autonomous space capabilities directly addresses the DoD’s urgent need to monitor and respond to threats in this vital warfighting domain, bridging the gap between commercial space technology and national security.
What category did Slingshot Aerospace win in Fast Company’s 2026 list? What is the Slingshot Global Sensor Network? What is the TALOS AI agent? Sources: Slingshot Aerospace
Slingshot Aerospace Named to Fast Company’s 2026 Most Innovative Companies List
Pioneering Space Operations Intelligence
Global Sensor Network and AI Integration
Recent Milestones Driving the 2026 Recognition
Major Defense and Civil Contracts
Security and Compliance Achievements
Leadership Perspectives on Innovation
AirPro News analysis
Frequently Asked Questions (FAQ)
Slingshot Aerospace was recognized in the Defense Tech category for 2026.
It is a distributed space object tracking network comprising over 200 daytime and nighttime optical sensors located across more than 20 sites globally.
TALOS is an autonomous AI agent developed by Slingshot Aerospace to imitate satellite behavior and adversaries for U.S. Space Force training. Its integration is funded by a $27 million contract awarded in January 2026.
Photo Credit: Slingshot Aerospace
Space & Satellites
Pulsar Fusion Achieves First Plasma in Sunbird Fusion Rocket System
Pulsar Fusion successfully demonstrates first plasma in its Sunbird nuclear fusion rocket exhaust, advancing deep-space propulsion technology.
UK-based space propulsion Startups Pulsar Fusion has successfully achieved “first plasma” in its Sunbird nuclear fusion rocket exhaust system, marking a critical milestone in the development of next-generation deep-space travel. In a company press release, Pulsar Fusion announced that the successful test represents the first physical demonstration of plasma confinement within a nuclear fusion exhaust architecture designed specifically for spaceflight.
The breakthrough was showcased live during a dedicated technical session at Amazon’s MARS Conference in Ojai, California. According to the official release, the demonstration offers a glimpse into a future where interplanetary transit times could be drastically reduced, potentially revolutionizing how humanity explores the solar system.
The historic test was conducted by Pulsar Fusion scientists at the company’s headquarters in Bletchley, United Kingdom, and live-streamed to an audience of astronauts, Nobel laureates, and robotics experts at the MARS Conference. In the press release, the company detailed that the experiment utilized a combination of powerful electric and magnetic fields to guide and accelerate charged particles through the exhaust channel.
For this initial series of tests, the engineering team selected krypton gas as the propellant. The official release notes that krypton was chosen due to its relatively high ionization efficiency and inert characteristics at the mass flow rates required for early-stage testing. By successfully generating and confining the superheated plasma, Pulsar Fusion has cleared a major initial hurdle in harnessing fusion power for propulsion.
Current spacecraft rely heavily on chemical propulsion, which provides high thrust but low exhaust velocities, or Electric-Aviation propulsion, which offers high efficiency but very low thrust. Fusion propulsion aims to deliver both. According to the company’s press release, the Sunbird Migratory Transfer Vehicle is designed to provide continuous high-thrust propulsion for faster and more efficient travel.
Industry estimates reported by Gizmodo suggest that Pulsar Fusion’s Dual Direct Fusion Drive (DDFD) engine could achieve a remarkably high specific impulse of 10,000 to 15,000 seconds. Furthermore, according to World Nuclear News, the system is designed to generate 2 megawatts of power, providing both continuous thrust and electricity to run spacecraft systems upon arrival at a destination. With this technology, a fusion rocket could theoretically reach speeds over 500,000 miles per hour, according to reporting by Payload Space. This would allow spacecraft to cut the transit time to Mars by half and potentially reach Pluto in just four years, as outlined by World Nuclear News.
Following the successful first plasma test, Pulsar Fusion plans to gather detailed performance data, including thrust and exhaust velocity measurements, to plan the first official Sunbird mission. The press release outlines upcoming hardware upgrades, including the transition to rare-earth, high-temperature superconducting magnets. These magnets will enable stronger magnetic fields, allowing the team to explore higher plasma density and pressure conditions. To maximize the operational lifespan of the Sunbird engine, Pulsar Fusion has also partnered with the UK Atomic Energy Authority. According to the release, this collaborative research program will study the effects of neutron radiation on reactor walls and magnets, a primary cause of wear in fusion systems. Ultimately, the company aims to transition to aneutronic fusion fuel cycles, utilizing Deuterium and Helium-3. Pulsar Fusion is targeting an in-orbit demonstration of the system’s core components by 2027, with hopes for a production-ready vehicle in the early 2030s, according to timelines published by World Nuclear News.
The successful ignition of plasma in a fusion exhaust system represents a monumental engineering feat, but the road to a flight-ready nuclear fusion rocket remains long. Operating an engine at temperatures hotter than the sun’s core requires materials and containment systems that push the boundaries of current material science. However, the economic incentives are substantial.
“With the space economy projected to exceed $1.8 trillion by 2035, faster in-space transport isn’t just a scientific goal; it’s an economic one.”
, Pulsar Fusion statement, as cited by The Independent
This statement highlights the commercial viability of the project. If fusion propulsion can be mastered, we believe it will not only reduce the health risks for astronauts by shortening their exposure to deep-space radiation and microgravity but also enable rapid cargo delivery and asteroid mining missions that are currently unfeasible with chemical rockets.
In nuclear fusion, “first plasma” refers to the initial successful generation and confinement of superheated, ionized gas (plasma) within a reactor or exhaust system. It is a critical proof-of-concept milestone for fusion technology.
According to industry reports, the Sunbird nuclear fusion rocket could theoretically reach speeds exceeding 500,000 miles per hour, drastically reducing travel times to destinations like Mars and Pluto.
Pulsar Fusion plans to conduct an in-orbit demonstration of the system’s core components in 2027, with the goal of having a production-ready Sunbird vehicle operational in the early 2030s.
Demonstrating the Sunbird Exhaust System
Live from Bletchley to California
Redefining Deep-Space Propulsion
Speed and Efficiency Upgrades
Next Steps and Challenges
Upgrades and In-Orbit Testing
AirPro News analysis
Frequently Asked Questions
What is “first plasma”?
How fast could the Sunbird rocket travel?
When will the Sunbird rocket launch?
Sources
Photo Credit: Pulsar Fusion
Space & Satellites
Firefly Aerospace Supports U.S. Space Force VICTUS DIEM Rapid Launch Exercises
Firefly Aerospace aided Lockheed Martin in U.S. Space Force VICTUS DIEM exercises, demonstrating rapid payload processing and 36-hour launch simulations.
This article is based on an official press release from Firefly Aerospace.
Manufacturers Firefly Aerospace has successfully supported Lockheed Martin in a pair of responsive space exercises for the U.S. Space Force, advancing the military’s rapid-launch capabilities. The operations were conducted as part of the VICTUS DIEM mission, an initiative designed to test and refine emergency launch protocols for tactically responsive space missions.
According to an official press release from Firefly Aerospace, the exercises demonstrated the ability to rapidly process payloads and execute launch procedures under highly compressed timelines. These demonstrations are critical for the Space Force as it seeks to build a repeatable process for deploying assets into orbit during real-world threat scenarios.
We note that the VICTUS DIEM program relies heavily on commercial partnerships to generate new opportunities for rapid launch capabilities within government frameworks. By collaborating with private sector companies, the U.S. military aims to codify a streamlined approach to tactically responsive space operations.
The recent VICTUS DIEM exercises were divided into two primary demonstrations, each testing different phases of a rapid-response launch. In the first exercise, Firefly Aerospace and Lockheed Martin completed a rapid payload processing demonstration. As detailed in the company’s press release, this phase included spacecraft arrival operations, system checkouts, mating, and encapsulation,all of which were successfully completed in under 12 hours.
The second exercise focused on the Launch sequence itself, simulating a 36-hour rapid launch scenario. This drill was designed to practice the emergency protocols required to execute a mission under a simulated threat.
Working alongside Space System Command’s (SSC) System Delta 89 Tactically Responsive Space Program,commonly known as Space Safari,and SSC’s Space Launch Delta 30, the team executed a comprehensive array of pre-launch requirements.
“The team completed the initial mission design, flight trajectory planning, launch collision avoidance analysis, range safety protocols and authorizations, and all final launch operations within 36 hours of receiving a simulated notice to launch,” Firefly Aerospace stated in its release.
The VICTUS DIEM mission was specifically created to expand the U.S. Space Force’s ability to respond to orbital threats with unprecedented speed. By leveraging commercial Partnerships, the government process for authorizing and executing space launches is being continuously refined. The results of these recent exercises provide a continued focus on establishing a repeatable, codified process for rapid launches. This aligns with the broader goals of the VICTUS program, which seeks to ensure the United States can maintain and protect its space-based infrastructure on short notice.
The successful completion of the VICTUS DIEM exercises underscores a growing reliance on commercial space companies to fulfill critical national security objectives. Firefly Aerospace notes in its release that it is the only commercial company to have launched a satellite to orbit with approximately 24-hour notice. As the U.S. Space Force continues to prioritize tactically responsive space capabilities, companies with proven rapid-turnaround hardware and streamlined operational protocols will likely secure a competitive advantage in future defense Contracts. The ability to condense months of mission planning and payload integration into a 36-hour window represents a significant shift in orbital logistics.
VICTUS DIEM is a U.S. Space Force exercise designed to test and refine rapid launch capabilities and emergency protocols for tactically responsive space missions.
According to the Firefly Aerospace press release, the rapid payload processing demonstration,including spacecraft arrival, checkouts, mating, and encapsulation,was completed in under 12 hours.
The team completed all necessary mission design, trajectory planning, safety protocols, and final launch operations within 36 hours of receiving a simulated notice to launch.
Rapid Payload Processing and Launch Simulations
Collaborative Mission Planning
The Strategic Importance of VICTUS DIEM
AirPro News analysis
Frequently Asked Questions
What is the VICTUS DIEM mission?
How fast was the payload processing completed?
What was the timeframe for the rapid launch simulation?
Sources
Photo Credit: Firefly Aerospace
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