Eight NATO member states have launched a new multinational initiative to develop a shared military satellite constellation, marking a significant step in the Alliance’s efforts to strengthen space-based capabilities and improve operational resilience.
Announced during the NATO Summit Defence Industry Forum, the initiative, named Hybrid Alliance Layered Operations in Space (HALO), will integrate nationally owned military satellites into a networked architecture designed to enhance communications, intelligence gathering, and missile tracking across the Alliance.
The founding participants are Canada, Denmark, Finland, Germany, the Netherlands, Norway, Sweden, and Türkiye, with NATO indicating that additional allies may join as the project develops.
A networked approach to military space operations
Rather than replacing national satellite systems, HALO is intended to connect existing sovereign space assets into a coordinated constellation capable of supporting allied operations. The initiative seeks to improve interoperability while addressing the operational limitations associated with independently operated satellite fleets, including restricted coverage, slower data exchange, and vulnerability to electronic or physical threats.
According to NATO, the program will focus on the procurement of transport satellites and space-based sensors, alongside the development of common software and technical standards required to enable seamless integration between participating nations.
The project remains in its early stages, with details regarding the constellation’s final architecture, funding model, and implementation timeline expected to be defined as work progresses.
Broader NATO investment in space
HALO was unveiled alongside several other multinational initiatives aimed at expanding NATO’s space capabilities.
Canada officially joined the STARLIFT program as its 15th participant, supporting efforts to establish a network of launch facilities capable of deploying allied space assets on short notice from spaceports across NATO countries. Separately, German launch company Isar Aerospace signed an agreement with Canada’s Maritime Launch Services to enhance access to launch infrastructure at Spaceport Nova Scotia.
Spain also became the 19th member of NATO’s Alliance Persistent Surveillance from Space (APSS) initiative, contributing imagery from its Atlantic Constellation satellites to strengthen maritime and coastal surveillance.
The announcements reflect NATO’s continued emphasis on multinational cooperation in space, with member states pursuing shared capabilities designed to improve resilience, situational awareness and operational effectiveness.