The People’s Republic of China (PRC) bids to dominate the future of global broadband through the SpaceSail satellite mega-constellation. This advancement presents both a direct challenge to U.S.-backed alternatives and a pivotal shift for Southeast Asia’s digital and geopolitical environment. As thousands of low-Earth orbit (LEO) satellites are deployed, Southeast Asia’s strategic position and its persistent digital divides make the region a priority testing ground for the PRC’s expanding influence and the wider competition over space infrastructure. The following analysis explores the broader implication of such developments, placing Southeast Asia in the middle of technological innovation, international rivalry (particularly with the United States), and digital infrastructure.
Satellite mega-constellations, which assemble extensive networks of interconnected satellites, have quickly become central to worldwide efforts to provide fast, reliable internet access in remote or underserved areas. While Southeast Asia has historically struggled with the limitations of conventional continental internet, new satellite networks offer the potential to revolutionize connectivity, shape economic development, and affect the balance of power among major states. Beijing’s integration of the SpaceSail program with the Belt and Road Initiative (BRI) aspires to advance not only technological capabilities but also the PRC’s leverage in shaping regional infrastructure and policy. This goal intensifies the strategic calculus for the United States, its allies, and member-states of the Association of Southeast Asian Nations (ASEAN).
Overview of China’s SpaceSail Mega-Constellation
The PRC’s SpaceSail mega-constellation, also known as Qianfan or Thousand Sails, is an ambitious project aiming to deploy 15,000 LEO satellites by 2030. By the end of 2025, SpaceSail plans to have around 600 satellites in orbit.
SpaceSail is engineered to compete directly with SpaceX’s Starlink. This approach is done by offering comparable or lower latency, high bandwidth, wide service coverage, and competitive pricing, specifically targeting underserved regions where Starlink currently dominates. The PRC’s drive to deploy SpaceSail reflects a larger ambition for satellite internet self-reliance and the reduction of dependence on U.S. or European networks, underpinning national strategic autonomy. However, beyond this basic broadband, SpaceSail is designed for diverse commercial applications. These applications include agriculture, transportation, new energy systems, and disaster management. By integrating these capabilities, SpaceSail helps position the PRC as a major innovator in global satellite services, empowering both civilian and emergency responses in rapidly developing markets.
This rapid deployment is closely linked to the PRC’s BRI. The project’s satellites feature flat-panel modular designs, enabling efficient mass production and cost-effective scaling. Launches are primarily conducted through the PRC’s Long March rockets, such as the Long March-8 Y6 carrier rocket, which leverages advanced PRC launch capabilities.
Government-backed Shanghai Spacecom Satellite Technology (SSST) spearheads the SpaceSail initiative. SSST benefits from government funding through the Shanghai Municipal Government, combining state subsidies and private investments to support its expansive production and launch schedule. SSST’s management reflects Shanghai’s role as a crucial point for the PRC’s commercial space ambitions, allowing the project to focus on dual-use technologies with both civilian broadband applications and strategic military communications potential. The constellation has already undergone successful network trials, including maritime internet service tests near Hong Kong.
Service Agreements with Southeast Asia
The PRC’s SpaceSail constellation is rapidly expanding service agreements across Southeast Asia, securing contracts with Thailand, Malaysia, and other regional partners. Notably, SpaceSail signed a memorandum of understanding with Malaysia’s MEASAT. This document aims to integrate its Thousand Sails LEO satellites with MEASAT’s geostationary fleet to develop broadband coverage in rural and maritime areas. This partnership encourages research, joint marketing, and direct-to-drive connectivity, advancing Malaysia’s digital infrastructure.
Southeast Asia continues to face persistent digital divides. As of early 2025, internet penetration in Southeast Asia stood at roughly 70 percent, meaning around one-third of the population remains underserved or without meaningful internet access. Filling this gap could positively affect economic opportunities, educational access, and social inclusion, as slower or unaffordable internet connections limit participation in the digital economy and access to vital online services. Satellite internet networks like SpaceSail’s multi-orbit system offer transformative potential to overcome geographic barriers and connect these underserved populations cost-effectively.
Geopolitical Implications in Southeast Asia and for the United States
The growing presence of SpaceSail in Southeast Asia is emblematic of broader U.S.-China competition in space infrastructure and strategic communications. This competition leads both powers to seek technological leadership and regional influence. By embedding satellite broadband in BRI partnerships, the PRC can advance Southeast Asia’s digital infrastructure. However, it also raises concerns about dependence on PRC networks and potential leverage over critical data flows. SpaceSail’s dual-use design—which serves both as civilian internet and support for the PRC’s military communications—raises concerns similar to those about other PRC providers empowering the People’s Liberation Army and the Ministry of State Security through commercial platforms.
Reactions from the United States and its allies have grown more cautious as SpaceSail and similar systems expand. The United States, Japan, Australia, and other regional partners have intensified efforts to strengthen indigenous space capabilities, coordinated spectrum policy, and cybersecurity standards to counter the risk of PRC digital dominance. ASEAN, for its part, is actively recalibrating its regional space strategy: member-states aim for cooperation on peaceful norms and shared standards, seeking to balance economic benefits from PRC investments with a commitment to multilateral, equitable, and transparent space governance.
The SpaceSail mega-constellation is forecast to achieve crucial milestones by 2030, which is why it is imperative to integrate U.S. and regional efforts in space. Southeast Asian countries are now trying to engage in diversified partnerships, such as embracing frameworks like the U.S. Artemis Accords, which seek to encourage peaceful and cooperative space exploration and governance among participating member-states. Singapore became the first ASEAN member to sign in 2022, followed by Thailand in 2024, and Malaysia and the Philippinesin October 2025 during the ASEAN summit.
By joining the Artemis Accords alongside global powers, ASEAN countries aim to assert themselves as responsible space actors advocating cooperative governance. This goal could help balance the PRC’s ambitious mega-constellation projects like SpaceSail while integrating within broader frameworks of global space norms and sustainable exploration.
Protecting Southeast Asian and U.S. Strategic Interests
The PRC’s SpaceSail mega-constellation holds transformative potential to reshape regional and global connectivity, particularly in Southeast Asia. This change is done through expanding broadband access in remote and underserved areas. Its rapid satellite network expansion exemplifies the PRC’s strategic ambitions to lead in space-based communications, presenting both opportunities and challenges. Given this geopolitical environment, there is a pressing necessity for regional cooperation frameworks and sustainable space policies that can harmonize technological growth with political stability and responsible resource management. Southeast Asia’s participation in multilateral governance efforts, which includes some countries’ adherence to international initiatives like the Artemis Accords, shows the critical role of collective action in managing the relationship between commercial innovation and strategic competition in space.
Together, these efforts will be vital to ensuring that the expansion of initiatives such as SpaceSail contributes positively to regional development while mitigating risks to sovereignty, security, and the peaceful use of outer space. This complex geopolitical context also shapes U.S. policy, which is increasingly focused on strengthening alliances and pushing for Indo-Pacific security cooperation. Simultaneously, Washington seeks to deter PRC dominance in space infrastructure and technological standards to preserve balance and protect Southeast Asian and U.S. strategic interests.
Julia Rocio Gatdula is a research intern with the Southeast Asia Program at the Center for Strategic and International Studies in Washington, D.C.