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

Rivals Unite for Space Safety: SpaceX, Amazon Leo, and Industry Leaders Release Updated Orbital Best Practices

On May 18, 2026, the American Institute of Aeronautics and Astronautics (AIAA), in an unprecedented collaboration with major satellite constellation operators Amazon Leo, Eutelsat, Iridium Communications, Inc., and SpaceX, announced the release of the third edition of their reference guide, “Satellite Orbital Safety Best Practices 3.0.”

According to the official press release, the updated guide aims to address the growing urgency of space traffic coordination. It provides a consolidated set of recommended best practices that span the entire lifecycle of a satellite, from initial design and launch to orbital operations and final disposal. The document builds upon the foundational work established in the original 2022 version, as well as guidelines from NASA, the 18th Space Control Squadron, the Secure World Foundation, and the Space Safety Coalition.

By incorporating new lessons learned, the participating organizations hope to mitigate risks in an increasingly congested Low Earth Orbit (LEO) environment. The release highlights a shared commitment to sustainability among some of the space industry’s most prominent commercial operators.

Key Updates in Version 3.0

The latest iteration of the guide introduces several critical focus areas designed to enhance safety and transparency among operators. As detailed in the AIAA announcement, version 3.0 places a stronger emphasis on integrating orbital safety measures directly into the initial design phase of satellites, rather than treating them as an operational afterthought.

Enhanced Data Sharing and Pre-Launch Coordination

A major component of the updated guidelines is the strict guidance on data sharing. The participating organizations stress the critical importance of sharing and screening high-quality ephemeris, trajectory data, complete with covariance metrics. This data exchange is expected to occur continuously from the moment of deployment through to final disposal.

“The primary goal is to address the growing urgency of space traffic coordination by providing a consolidated, high-level set of recommended best practices spanning the entire lifecycle of a satellite.”

Furthermore, the guide highlights the necessity of pre-launch coordination and collision avoidance analysis. This is particularly crucial for mitigating hazards near crewed vehicles during the post-launch identification and cataloging of new orbital objects. To support these efforts, version 3.0 includes a newly added Appendix featuring specific data exchange recommendations designed to mitigate conjunctions, or close approaches, between spacecraft.

Industry Collaboration and the ASCEND 2026 Panel

The timing of the release aligns with the upcoming ASCEND 2026 conference, underscoring the immediate need for space traffic coordination. The document’s authors are scheduled to discuss the implementation of these practices during a dedicated panel on May 19, 2026, at 3:30 p.m.

Panel Participants

The panel will be moderated by Sandra Magnus, Principal at AstroPlanetview, LLC. She will be joined by industry experts representing the collaborating organizations:

• Josef Koller – Head of Space Safety and Sustainability, Amazon Leo
• Dave Goldstein – Principal Guidance, Navigation, and Control Engineer, SpaceX
• Ryan Shepperd – Space Situational Awareness Lead, Iridium

The press release notes that Pablo Minguijon Pallas, Head of Flight Dynamics and Mission Analysis at Eutelsat, was instrumental in the guide’s development but is unable to attend the panel.

AirPro News analysis

At AirPro News, we observe that this collaborative effort represents a highly notable shift in the commercial space sector. Direct competitors in the satellite internet and communications markets, namely SpaceX, Amazon Leo, Eutelsat, and Iridium, are working closely together to establish safety standards. With mega-constellations rapidly expanding, Low Earth Orbit is becoming increasingly congested.

In the absence of a single, unified global space traffic control authority, this industry-led approach to self-regulation is a proactive and necessary step. The emphasis on “high-quality ephemeris with covariance” indicates a vital evolution from simply tracking objects to requiring precise, mathematically rigorous predictions for automated collision avoidance systems. The shared existential threat of orbital debris and satellite collisions is clearly driving unprecedented cooperation among fierce commercial rivals, setting a new standard for the broader aerospace industry.

Frequently Asked Questions

What is the “Satellite Orbital Safety Best Practices 3.0” guide?
It is a reference document released by AIAA, Amazon Leo, Eutelsat, Iridium, and SpaceX that provides recommended best practices for satellite design, launch, operations, and disposal to ensure orbital safety and sustainability.

When was the original guide published?
The original version of the best practices guide was published in 2022.

What are the main updates in version 3.0?
Key updates include a stronger emphasis on design-phase safety, pre-launch coordination (especially near crewed vehicles), strict guidance on sharing high-quality trajectory data, and a new Appendix dedicated to conjunction mitigation.

Sources

• AIAA

This article is based on an official press release from Iridium Communications Inc.

On May 14, 2026, Iridium Communications Inc. (NASDAQ: IRDM) announced a definitive agreement to acquire the remaining 61% equity stake in Aireon LLC, the operator of the world’s only space-based Automatic Dependent Surveillance-Broadcast (ADS-B) air traffic surveillance system. According to the company’s press release, this acquisitions is designed to consolidate Iridium’s position as a foundational architect for global safety.

Prior to this announcement, Iridium was already a founding partner of Aireon, holding a 39% stake. By bringing the company fully in-house, Iridium plans to combine space-based surveillance, safety communications, alternative positioning, navigation, and timing (PNT), and operational data onto a single, unified satellite network.

The integration of Aireon’s technology, which currently flies as a hosted payload on the Iridium NEXT satellite constellation, marks a significant milestone in aerospace infrastructure. The service monitors an average of 190,000 flights each day, providing 100% global coverage that includes oceans, polar regions, and remote airspace previously unreachable by traditional ground-based radar-systems.

Financial Details and Transaction Structure

The official press release outlines that Iridium will purchase the remaining 61% stake for approximately $366.7 million in cash. The payment structure is divided into two installments: Iridium will pay 50% of the purchase price at closing, with the remaining 50% due on the one-year anniversary of the close. Additionally, Iridium will assume Aireon’s outstanding debt, which is projected to be approximately $155 million at the time of closing.

The target closing date for the transaction is early July 2026. The current owners selling their stakes include several major global Air Navigation Service Providers (ANSPs): NAV CANADA, AirNav Ireland, ENAV (Italy), NATS (UK), and Naviair (Denmark). As part of the acquisition agreement, founding shareholders NAV CANADA and NATS have signed extended long-term data service agreements that will run through 2035 and beyond.

Revenue and Market Impact

From a financial perspective, Iridium expects the acquisition to be highly accretive. The company stated that the merger will add at least $100 million in service revenue and $30 million in Operational Earnings Before Interest, Taxes, Depreciation, and Amortization (OEBITDA) on an annualized basis. Company data indicates that over the past three years, Aireon’s total revenue has grown at a compound annual growth rate (CAGR) of 10%.

Iridium appears well-positioned to fund this acquisition. According to provided financial market data, the company boasts a market capitalization of roughly $4.56 billion, with $875.84 million in trailing twelve-month revenue and a gross profit margin of 71.57%.

Strategic Rationale: The Four Pillars of Aviation Safety

The acquisition unites Aireon’s surveillance and data services with Iridium’s global satellite communications network. According to Iridium, this creates a single entity capable of providing four critical pillars of aviation safety:

• Surveillance: Knowing exactly where every aircraft is in real-time.
• Communications: Maintaining constant, reliable contact with pilots.
• PNT Integrity: Providing alternative navigation and timing integrity, which is increasingly vital in contested environments.
• Operational Insights: Translating raw flight data into actionable analytics to make airspace safer and more efficient.

Combating the Threat of GPS Spoofing

A major technological advantage highlighted in the company’s announcement is the combined network’s ability to combat the growing threat of GPS spoofing and jamming. Aireon’s system can cross-check an aircraft’s GPS-reported position against an independent position calculated from the timing of Iridium signals received by two overlapping satellites. If a discrepancy is detected, it indicates potential spoofing.

To address this, Aireon offers a “Vector” product line, which includes a heat-map layer showing electronic interference activity. This allows air traffic controllers and airlines to continuously track individual aircraft even when they are under electronic attack.

Leadership Perspectives and Future Innovations

Company leadership emphasized that this acquisition is the culmination of a long-term strategic vision. The merger is expected to pave the way for future innovations, including the introduction of space-based VHF communications, which aims to revolutionize how air traffic controllers communicate with pilots over remote and oceanic regions.

“Aireon has always been part of Iridium’s aviation safety strategy. We founded it in partnership with the world’s leading Air Navigation Service Providers (ANSPs), because we believed space-based aviation safety was a generational opportunity… The aviation industry is now entering an era of growing air traffic, denser airspace, autonomous aircraft, and greater expectations for safety and resiliency. Bringing Aireon fully inside Iridium better positions us to build what’s needed to support the future of aviation, including more innovations like the future introduction of space-based VHF communications.”

Don Thoma, CEO of Aireon, echoed these sentiments, noting that the acquisition is a logical evolution of a partnership that dates back to the original Iridium NEXT design phase. Thoma will continue to lead Aireon in the near term to ensure business continuity.

“Becoming part of Iridium is a natural next step for our team, our customers, and our roadmap, particularly as our data products expand into new areas like turbulence detection and aviation data analytics.”

AirPro News analysis

At AirPro News, we observe that the inclusion of GPS jamming and spoofing detection is highly relevant to current global aviation challenges. Commercial airlines flying near conflict zones have increasingly reported instances of their navigation systems being jammed or fed false coordinates by military electronic warfare systems. Iridium and Aireon’s combined ability to independently verify an aircraft’s location using satellite timing serves as a massive operational advantage for global aviation safety.

Furthermore, we note the historical impact of Aireon’s technology. Before the advent of space-based ADS-B, air traffic controllers managing transatlantic flights had to rely on procedural separation and periodic voice reports. Aireon’s real-time tracking has allowed controllers to safely reduce the distance between aircraft, resulting in more fuel-efficient routing, reduced carbon emissions, and faster emergency response times. Bringing this capability entirely under Iridium’s corporate umbrella secures the long-term future of this critical infrastructure.

Frequently Asked Questions (FAQ)

What is Aireon?

Aireon LLC operates the world’s only space-based Automatic Dependent Surveillance-Broadcast (ADS-B) system. It provides real-time air traffic surveillance and tracking globally, including over oceans and remote areas, using payloads hosted on Iridium’s satellite network. The system is certified by the European Union Aviation Safety Agency (EASA).

How much is Iridium paying for Aireon?

Iridium is paying approximately $366.7 million in cash for the remaining 61% equity stake it did not already own, and will assume roughly $155 million in outstanding debt.

When is the acquisition expected to close?

According to the company, the target closing date for the transaction is early July 2026.

Sources:
Iridium Communications Inc. Press Release

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

On Sunday, May 17, 2026, at 6:37 a.m. EDT, a SpaceX Cargo Dragon spacecraft successfully completed an autonomous docking with the International Space Station (ISS). According to an official press release from NASA, the spacecraft connected to the forward port of the station’s Harmony module. This event marks the successful first leg of NASA’s 34th Commercial Resupply Services (CRS-34) mission.

The Dragon capsule delivered approximately 6,500 pounds (2,948 kg) of vital food, supplies, and scientific equipment to the orbiting laboratory. We note that this mission underscores the continued reliance on commercial partnerships to sustain human presence and advance cutting-edge research in low-Earth orbit.

Mission and Launch Details

A Reusable Fleet

Mission data indicates that the CRS-34 launch took place on Friday, May 15, 2026, at 6:05 p.m. EDT from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. The launch was delayed by three days due to unfavorable weather conditions.

Both the Falcon 9 Block 5 rocket and the Cargo Dragon capsule utilized for this mission are veterans of spaceflight. The first-stage booster, designated B1096, successfully completed its sixth flight, landing at Landing Zone 40 shortly after liftoff. Similarly, the Cargo Dragon C209 capsule is making its sixth trip to the ISS, having previously flown on the CRS-22, CRS-24, CRS-27, CRS-30, and CRS-32 missions.

Cargo Breakdown and Scientific Endeavors

Pressurized and Unpressurized Payloads

According to mission reports, the 2,948 kg of cargo is divided between pressurized and unpressurized sections. The pressurized payload accounts for 2,132 kg (4,700 lbs), which includes 831 kg of science investigations, 618 kg of crew supplies, 469 kg of vehicle hardware, 128 kg of spacewalk equipment, and 84 kg of computer resources. Notably, the vehicle hardware includes replacement parts for the crew’s urine-recycling water system. The remaining 816 kg (1,799 lbs) is stored in the spacecraft’s unpressurized trunk.

Key Experiments for Earth and Space

The CRS-34 mission is heavily focused on scientific advancement. Among the dozens of new investigations is a novel bone scaffold made from wood, designed to study bone cell growth in microgravity. Researchers hope this could lead to new treatments for fragile bone conditions, such as osteoporosis, on Earth.

Other notable experiments include space hematology studies to evaluate how red blood cells and the spleen adapt during long-duration spaceflight, and a new instrument for space weather monitoring to study charged particles around the Earth. Additionally, the payload includes an experiment examining how microgravity and space radiation affect microbes.

According to Dr. Liz Warren, deputy chief scientist for the ISS Program, this research could inform new approaches for curbing the spread of infections in hospitals on Earth.

Expedition 74 and Future Milestones

The International Crew

The supplies and experiments were received by the Expedition 74 crew. This highly international team currently manning the orbiting laboratory includes NASA astronauts Jessica Meir, Christopher Williams, and Jack Hathaway; European Space Agency (ESA) astronaut Sophie Adenot; and Roscosmos cosmonauts Andrey Fedyaev, Sergey Kud-Sverchkov, and Sergei Mikayev.

Return Journey

The Cargo Dragon is scheduled to remain docked at the Harmony module for approximately one month. In mid-June 2026, the spacecraft will autonomously undock and perform a parachute-assisted splashdown in the Pacific Ocean off the coast of California. Unlike other cargo vehicles that burn up in the atmosphere, the Dragon will return time-sensitive research samples and hardware. This includes the Advanced Plant Habitat, which supported long-duration plant biology studies and will be returned for museum display.

AirPro News analysis

At AirPro News, we observe that the CRS-34 mission highlights the maturity and cost-effectiveness of SpaceX’s reusable rocket program. The fact that both the Falcon 9 booster and the Dragon capsule are on their sixth flights demonstrates a highly reliable cadence in commercial space operations. Furthermore, the specific scientific payloads, such as the wooden bone scaffold and microbial infection studies, illustrate a growing trend of utilizing low-Earth orbit not just for space exploration, but for direct medical and technological advancements applicable to life on Earth. The bustling configuration of the ISS, currently hosting multiple international spacecraft, reflects a peak era of collaborative orbital research.

Frequently Asked Questions (FAQ)

What is the CRS-34 mission?
The CRS-34 (Commercial Resupply Services-34) mission is NASA’s 34th contracted resupply flight with SpaceX, designed to deliver essential cargo, supplies, and scientific experiments to the International Space Station.

How much cargo did the Dragon spacecraft deliver?
The spacecraft delivered approximately 6,500 pounds (2,948 kg) of cargo, which included 2,132 kg of pressurized payload and 816 kg of unpressurized payload.

When will the Cargo Dragon return to Earth?
The spacecraft is scheduled to remain docked at the ISS for about one month before autonomously undocking and splashing down in the Pacific Ocean in mid-June 2026.

Sources

• NASA
• Mission Research Report