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The U.S. Trade and Development Agency (USTDA) announced on Tuesday that is supporting the integration of trusted U.S. technology in the proposed SCNX-3 submarine cable system, a critical infrastructure project connecting India with Singapore and key Southeast Asian data center hubs.
The SCNX-3 submarine cable system is a new Intra-Asia project initiated by SubConnex, an emerging telecommunications company incorporated in Australia. The SCNX-3 is the first phase of SubConnex's broader vision to improve integrated network connectivity between South Asia and the United States. The SCNX-3 aims to create an independent link between India and Singapore, with planned connectivity into Thailand, Malaysia, and Indonesia.
During the PTC'26 conference in in Honolulu, Hawaii, the Agency signed an agreement with SubConnex Malaysia Sdn. Bhd. (SubConnex) to fund the feasibility study for the SCNX-3 project. By enabling the deployment of secure cable technology, the study will help ensure that international networks remain reliable and free from malign foreign influence, while creating new opportunities for American businesses and supporting the digital ambitions of partner countries in Asia.
“Deploying secure, U.S.-made subsea cable technology is essential to protecting sensitive data and critical infrastructure from cyberattacks and foreign espionage,” said Thomas R. Hardy, USTDA’s Deputy Director. “This project both advances the strategic priorities of our partners in South and Southeast Asia and reinforces America’s leadership in the global digital economy.”
SubConnex has selected Florida-based APTelecom LLC to carry out the feasibility study, which will help mobilize investment for the SCNX-3 cable by providing U.S. expertise in route design, engineering, financial modeling, commercialization planning, and regulatory analysis.
The cable’s routing will connect Chennai, India with Singapore and other potential landings in India, Malaysia, Thailand and Indonesia. Construction of the cable will create opportunities for U.S. hardware, software, and services providers to deliver trusted solutions across the region.
The SCNX-3 submarine cable will address urgent connectivity challenges in India and Southeast Asia, where rising digital demand and limited route diversity have left networks vulnerable to outages and security risks. By providing new, resilient pathways for data traffic, the project will enhance digital access, support the growth of AI and cloud services, and ensure secure and reliable communications infrastructure for governments, businesses, and citizens throughout the region.
According to Capacity Media, the USTDA has granted US$3.2 million for SubConnex to proceed with the feasibility study.
In additional to the SCNX-3, the USTDA has granted funds to support multiple subsea cable projects in Asia, including but not limited to the Barat Timur Indonesia (BTI) in Indonesia, the Bangladesh International Submarine Cable (Bagha-1) and the Bangladesh Private Cable System (BPCS) in Bangladesh, the Malaysia-U.S. (MYUS) Cable System in Malaysia.
