Space & Satellites
NASA Astronauts Upgrade ISS Power Systems During Spacewalk
NASA astronauts completed a 7-hour spacewalk to prepare the ISS for new roll-out solar arrays, enhancing power for extended missions.

NASA Astronauts Successfully Install Solar Array Modification Kit During Spacewalk
NASA astronauts Jessica Meir and Chris Williams have successfully concluded a critical spacewalk outside the International Space Station (ISS). The extravehicular activity, which focused on upgrading the station’s power systems, marks a significant step in maintaining the orbiting laboratory’s operational capabilities. According to an official press release from NASA, the spacewalk officially ended at 3:54 p.m. EDT on March 18, 2026.
The primary goal of this mission was to prepare the station’s exterior for upcoming power enhancements. As the ISS continues its extended mission, ensuring a robust and reliable power supply remains a top priority for the agency. This recent spacewalk is part of a broader, ongoing effort to modernize the station’s aging solar infrastructure.
For the crew involved, the event also represented important personal and professional milestones. The agency noted that this was the first spacewalk for Williams and the fourth for the veteran astronaut Meir. Together, they spent over seven hours working in the vacuum of space to accomplish their primary objectives.
Spacewalk Objectives and Accomplishments
The astronauts began their extravehicular activity at 8:52 a.m. EDT, embarking on a highly choreographed sequence of tasks. According to the NASA update, the spacewalk lasted approximately seven hours and two minutes. During this time, Meir and Williams focused their efforts on the station’s power generation systems.
The duo’s primary objective was the preparation of the 2A power channel. This foundational work is essential for the station’s future power upgrades. By completing these modifications, the astronauts have paved the way for the next phase of the ISS solar array enhancement project.
Preparing for Roll-Out Solar Arrays
The modifications made to the 2A power channel are specifically designed to accommodate new hardware. The agency emphasized the importance of this upgrade for the station’s longevity and safety.
This work will enable the future installation of roll-out solar arrays to provide additional power for the orbiting laboratory…
According to the NASA press release, this enhanced power supply will also support the station’s critical systems and its eventual safe, controlled deorbit.
Additional Tasks and Deferred Maintenance
While the 2A power channel preparation was the main focus, Meir and Williams also tackled several secondary objectives during their time outside the station. Efficient use of spacewalk time is crucial, and astronauts are often assigned a checklist of supplementary tasks to complete if time permits.
According to the press release, the astronauts successfully installed a 2A power system jumper cable. Additionally, they managed to adjust the bolt torque on a battery box, ensuring the secure and optimal functioning of the station’s power storage components.
Tasks Moved to Future Missions
Despite their efficiency, not all planned activities could be completed within the allotted seven-hour window. Space exploration requires flexibility, and mission controllers frequently adjust schedules based on real-time progress and safety considerations.
NASA reported that a few remaining tasks have been deferred. These include the installation of a lens cover on a camera attached to the Canadarm2 robotic arm. Furthermore, a planned swabbing for microorganisms near the Quest airlock will also be rescheduled. The agency confirmed that these specific tasks will be moved to a future spacewalk.
AirPro News Analysis
The Strategic Importance of ISS Power Upgrades
We view the successful completion of this spacewalk as a critical indicator of NASA’s commitment to maximizing the utility of the International Space Station in its final years. The installation of the modification kits for the roll-out solar arrays is not merely routine maintenance, it is a strategic necessity. As the station ages, its original solar panels degrade, reducing the overall power available for scientific experiments and daily operations.
By upgrading the power channels, NASA is ensuring that the ISS can continue to host power-intensive research. Moreover, the explicit mention of supporting a safe, controlled deorbit highlights the agency’s forward-looking approach to the station’s eventual retirement. Ensuring robust power systems will be absolutely vital for the complex maneuvers required to safely guide the massive structure back into Earth’s atmosphere when the time comes.
Frequently Asked Questions (FAQ)
Who participated in the March 18, 2026, spacewalk?
The spacewalk was conducted by NASA astronauts Jessica Meir and Chris Williams. According to NASA, it was Meir’s fourth spacewalk and Williams’ first.
How long did the spacewalk last?
The extravehicular activity began at 8:52 a.m. EDT and concluded at 3:54 p.m. EDT, lasting approximately seven hours and two minutes.
What was the primary purpose of the spacewalk?
The main objective was to prepare the 2A power channel for the future installation of roll-out solar arrays, which will provide additional power to the International Space Station.
Were all planned tasks completed?
While the primary objectives and some additional tasks were completed, a few items were deferred. NASA noted that installing a camera lens cover on the Canadarm2 and swabbing for microorganisms near the Quest airlock will be moved to a future spacewalk.
Sources
Photo Credit: NASA
Space & Satellites
Firefly Aerospace Advances Esrange Launch Complex for 2028 Orbital Debut
Firefly Aerospace and SSC Space complete infrastructure at Esrange Space Center, targeting first orbital launch in 2028.

Firefly Aerospace and the Swedish Space Corporation (SSC Space) have completed initial infrastructure and secured transatlantic regulatory frameworks to advance pad construction at Launch Complex 3C at Sweden’s Esrange Space Center, targeting a first orbital launch in 2028.
Announced in a June 30, 2026, press release, the milestone establishes a foundation for dedicated orbital launch capabilities from mainland Europe. The partnership will utilize Firefly’s Alpha launch vehicle to serve European commercial customers and the Swedish Armed Forces, expanding access to space for allied nations.
Infrastructure and regulatory progress
The companies have completed several key infrastructure projects at Launch Complex 3C to support the upcoming orbital missions. The finalized facilities include a launch control center, a payload processing facility, and a launch vehicle integration building. The site also features newly installed tracking and control systems, alongside dedicated security and storage facilities.
The physical construction aligns with recent diplomatic agreements designed to facilitate international commercial space operations. In April 2026, the Swedish National Space Agency (SNSA) and the U.S. Federal Aviation Administration (FAA) signed a Memorandum of Cooperation to streamline the launch licensing process and establish a shared understanding of commercial space regulations. This agreement builds upon a broader framework, making Sweden the sixth country to sign a Technology Safeguards Agreement with the United States.
Defense applications and payload capabilities
The development at Esrange Space Center carries direct implications for European defense logistics. SSC Space recently signed an agreement valued at SEK 209 million with the Swedish Defense Materiel Administration (FMV). The contract is structured to provide the Swedish Armed Forces with dedicated satellite launch capabilities from the domestic spaceport.
Missions from Launch Complex 3C will utilize the Firefly Alpha, a two-stage launch vehicle capable of delivering a 1,000-kilogram payload to Low Earth Orbit (LEO). The deployment of an American rocket from European soil represents a specific operational strategy for the Texas-based manufacturer.
“We’re proud to partner with SSC Space and work collaboratively with U.S. and Swedish agencies to provide European customers with a dedicated orbital launch capability using our flight-proven Alpha rocket. Our ‘launch as a franchise’ model provides our nation and allies with the launch site diversification required for resilient, responsive space missions.”
The statement from Firefly Aerospace CEO Jason Kim highlights the company’s focus on global launch expansion, utilizing the Swedish site as the starting point for its international franchise model.
AirPro News analysis
We view Firefly’s “launch as a franchise” model as a strategic pivot in the commercial space sector, moving away from centralized domestic launch sites toward distributed, allied-nation launch capabilities. The SEK 209 million defense agreement underscores the growing military reliance on commercial launch providers for responsive space access. By establishing a physical and regulatory foothold at Esrange Space Center, Firefly positions the Alpha rocket to capture a significant share of the emerging European small-lift market, while simultaneously offering the U.S. and its allies redundant launch options outside of traditional North American spaceports.
Sources: Firefly Aerospace
Photo Credit: Firefly Aerospace
Space & Satellites
Rocket Lab to Acquire Iridium Communications for $8 Billion
Rocket Lab agrees to acquire Iridium Communications for ~$8B, combining launch capabilities with Iridium’s LEO satellite network.

Rocket Lab Corporation (Nasdaq: RKLB) has entered into a definitive agreement to acquire satellite operator Iridium Communications Inc. (Nasdaq: IRDM) in a cash and stock transaction valuing the company at approximately $8.0 billion. The deal, announced on June 29, 2026, transforms the launch provider into a fully vertically integrated space enterprise with an immediate foothold in global satellite connectivity.
Under the terms detailed in a joint press release, Iridium stockholders will receive $54.00 per share, consisting of $27.00 in cash and a portion of Rocket Lab common stock based on a collar band exchange ratio between $67.50 and $112.50. The Acquisitions merges Rocket Lab’s launch and spacecraft Manufacturing capabilities with Iridium’s globally harmonized L-band spectrum and established Low Earth Orbit (LEO) satellite network, which currently supports 2.55 million active subscribers worldwide.
Strategic integration and market expansion
The transaction positions Rocket Lab to capture a larger share of the space-based applications Market-Analysis, including satellite Internet of Things (IoT), Direct-to-Device (D2D) communications, and Positioning, Navigation, and Timing (PNT) services. Iridium reported $871.7 million in revenue and $495 million in Operational EBITDA for 2025, providing Rocket Lab with a highly profitable, established communications business operating at a 57 percent margin.
A primary operational synergy of the merger is the elimination of third-party launch costs for the deployment and replenishment of the Iridium NEXT constellation. Rocket Lab intends to utilize its Electron and upcoming Neutron launch vehicles to guarantee orbital access and maintain continuity of service for the network.
Sir Peter Beck, Founder and CEO of Rocket Lab, described the agreement as a defining moment for the space industry and the start of a new era of strategic growth for both companies.
“By marrying Iridium’s deep heritage, trusted infrastructure, and highly sought-after spectrum with Rocket Lab’s extensive and proven launch and manufacturing capabilities, we have the capability to unlock entirely new markets,” Beck stated. “We will go far beyond maintaining a legacy; we are going to build upon it to pioneer next-generation space applications and deliver sought-after capabilities to existing and new customers.”
Accelerating next-generation satellite services
The acquisition occurs as the space and terrestrial communications sectors increasingly converge. Rocket Lab plans to leverage the combined company’s resources to accelerate the development of Iridium’s next-generation constellation. This includes advancing D2D services targeted at United States national security and emergency response sectors, where traditional terrestrial networks may be unavailable or compromised.
Iridium CEO Matt Desch noted that critical services will increasingly depend on space-based capabilities as the industry evolves. He emphasized that success in the sector requires bringing innovations to space quickly and sustaining them efficiently over time.
“We’re excited about being able to accelerate the next generation of IoT, aviation, maritime, PNT, and national security capabilities, and pursue new innovative applications as part of Rocket Lab,” Desch said.
To fund the cash component of the transaction, Deutsche Bank and Wells Fargo have committed a $3.6 billion, 364-day senior secured bridge term loan facility. The transaction is expected to close in mid-2027, pending approval from stockholders and regulatory authorities, including the U.S. Securities and Exchange Commission (SEC).
AirPro News analysis
We view this $8.0 billion acquisition as a structural shift in the aerospace sector, moving away from the traditional separation of launch providers and satellite operators. By bringing Iridium in-house, Rocket Lab secures an anchor tenant for its Neutron launch vehicle while simultaneously capturing the high-margin recurring revenue of Iridium’s subscriber base.
The timing is particularly notable given the tightening availability of global launch capacity. Owning internal launch capabilities insulates the Iridium network from external supply chain bottlenecks and launch delays. Controlling both the manufacturing of the spacecraft and the launch vehicle also allows for deep vertical integration, potentially lowering the capital expenditure required for future constellation upgrades and D2D network deployments.
Sources: Iridium Communications Inc. / Rocket Lab Corporation
Photo Credit: Rocket Lab Corporation
Space & Satellites
Firefly Aerospace Acquires Space-ng for Autonomous Navigation
Firefly Aerospace acquires Space-ng Inc. to integrate AI vision navigation into its Blue Ghost and Elytra spacecraft programs.

Firefly Aerospace (Nasdaq: FLY) has acquired the artificial intelligence and vision navigation developer Space-ng Inc., integrating autonomous guidance capabilities into its lunar and orbital spacecraft portfolio. The Acquisitions, announced on June 25, 2026, from Firefly headquarters in Cedar Park, Texas, brings critical optical navigation technology in-house as the company scales its deep space operations.
In a press release issued on June 25, 2026, Firefly Aerospace confirmed that Space-ng will be fully integrated into its operations. The move secures the hardware and software systems necessary for spacecraft to perform rendezvous, docking, and hazard avoidance maneuvers without relying on the Global Navigation Satellite System (GNSS) or GPS.
Integration into Blue Ghost and Elytra programs
Space-ng’s spacecraft software, high-resolution cameras, and AI compute hardware will be incorporated directly into Firefly’s Blue Ghost lunar landers and Elytra orbital vehicles. The two companies previously collaborated on Blue Ghost Mission 1, which landed in the Mare Crisium basin on the Moon on March 2, 2025. During that descent, the lander utilized Space-ng vision Navigation software to determine position and attitude, detect hazardous terrain, and autonomously redirect the vehicle in real time.
Firefly Aerospace CEO Jason Kim stated that the technology proved itself during the descent, allowing the lander to execute two hazard avoidance maneuvers and safely touch down.
“This acquisition represents a strategic investment in both the experienced team and technologies from Space-ng that will continue to play a pivotal role in advancing autonomous space operations,” Kim said. “We’re proud to welcome Space-ng to the Firefly team as we work towards enabling regular, repeatable access to the Moon and beyond.”
Expanding mission manifest and leadership changes
Firefly is preparing for a growing manifest that relies on this integrated technology. The schedule includes three additional lunar missions under the National Aeronautics and Space Administration (NASA) Commercial Lunar Payload Services (CLPS) initiative. The company will also support the NASA MoonFall mission and a space domain awareness mission for the Defense Innovation Unit (DIU).
Following the acquisition, Space-ng co-founder and CEO Ethan Rublee transitions to the role of Chief Engineer of Software at Firefly Aerospace. Financial terms of the transaction were not disclosed. J.P. Morgan Securities LLC served as the exclusive financial advisor to Firefly Aerospace for the acquisition.
AirPro News analysis
We view this acquisition as a necessary vertical integration step for Firefly Aerospace as the complexity of its mission manifest increases. Relying on third-party vendors for mission-critical autonomous navigation introduces Supply-Chain and integration risks, particularly for lunar surface operations where real-time hazard avoidance is the difference between mission success and failure. By bringing Space-ng in-house, Firefly secures proprietary control over the optical navigation systems required for its upcoming CLPS and DIU contracts, positioning the company to compete more aggressively for government and commercial deep-space payloads that demand high-precision, GPS-denied navigation.
Sources: Firefly Aerospace
Photo Credit: Firefly Aerospace
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