Context

• The India-U.S. relationship faces sanctions, visa restrictions, trade disagreements and energy-security concerns, yet strategic cooperation remains essential.
• The West Asian crisis has reinforced the need for resilient global supply chains and secure maritime routes.
• The Indo-Pacific has become the critical intersection of geopolitics, global trade, energy security and maritime security, making stronger Maritime Domain Awareness (MDA) an urgent priority.
• India and the United States can strengthen maritime security through the Indo-Pacific Partnership for Maritime Domain Awareness (IPMDA) and the Quad while expanding cooperation with regional partners.

The Indo-Pacific as the Artery of Global Trade

• The Indo-Pacific is a critical artery of the global economy, carrying nearly $7 trillion in annual trade and connecting energy producers, manufacturing centres and consumer markets.
• Major chokepoints such as the Strait of Malacca, Strait of Hormuz and Bab-al-Mandeb are essential to the movement of energy and goods.
• Disruptions in these waters can cause higher energy prices, shipping delays and supply-chain instability.
• At the same time, state-sponsored coercion, smuggling, illegal fishing, sanctions evasion and grey-zone activities increasingly threaten freedom of navigation.

The Growing Importance of Maritime Domain Awareness

• MDA provides a comprehensive understanding of activities in the maritime environment by integrating information from multiple technological and institutional sources.
• It strengthens maritime security, economic security, environmental protection, safety and law enforcement.
• A major challenge is the increasing number of vessels that disable Automatic Identification System (AIS) transponders to conceal movements, cargo or illicit activities.
• Smaller fishing vessels may also remain outside mandatory AIS requirements, enabling illegal, unreported and unregulated fishing that damages marine ecosystems and threatens regional food security.

Grey-Zone Threats and the Surveillance Gap

• State and non-state actors increasingly employ grey-zone operations to intimidate competitors and disrupt regional stability without triggering conventional military responses.
• Such activities are difficult to counter because their origins and intentions may remain ambiguous.
• A continuous maritime picture can help identify suspicious behaviour, establish evidence and enable diplomatic, legal or security responses.
• Transparency therefore becomes an important instrument of deterrence.

IPMDA and the Quad

• The Indo-Pacific Partnership for Maritime Domain Awareness (IPMDA) provides a practical framework for improving maritime surveillance through multilateral information-sharing.
• Developed under the Quad, it seeks to provide partners with near-real-time maritime information.
• Its strength lies in integrating commercial satellites, radio-frequency monitoring, radar systems and national sensor networks.
• India's acquisition of SeaVision technology and its maritime information infrastructure create a strong foundation for deeper cooperation.
• India's Information Fusion Centre–Indian Ocean Region (IFC-IOR) can complement IPMDA by connecting maritime information across the Indian Ocean and strengthening regional situational awareness.

India-U.S. Cooperation: Strategic Complementarity

• The United States benefits from India's regional capabilities because Washington cannot independently maintain comprehensive maritime surveillance across the Pacific, Indian and Atlantic Oceans.
• Cooperation with India can distribute responsibilities while preserving strategic reach.
• For India, partnership with the United States provides access to advanced maritime technologies, intelligence-sharing and wider surveillance networks while supporting strategic autonomy.
• However, bilateral cooperation alone cannot address threats that routinely cross national boundaries.

Bringing ASEAN, Pacific Island States and Europe into the Framework

• The effectiveness of IPMDA depends on wider participation by ASEAN countries, Pacific Island nations and European partners.
• Smaller states such as Bangladesh, Maldives, Seychelles, Sri Lanka and Fiji often possess surveillance capabilities but face financial, technological and jurisdictional limitations.
• Regional information-sharing can strengthen these existing systems without replacing national sovereignty.
• European participation can further reinforce the framework because European economies depend heavily on secure maritime trade and energy supplies.

Transparency as Deterrence

• The strategic environment has weakened the assumption that freedom of navigation and open trade can sustain themselves automatically.
• Unchallenged coercive behaviour can gradually become normalised and establish dangerous precedents.
• An integrated maritime-information system can make illicit activities more difficult by ensuring that suspicious movements are detected, documented and rapidly shared.
• Technology must therefore be combined with common standards, legal cooperation, institutional coordination and capacity-building.

Challenges and the Way Forward

• Key challenges include data sovereignty, intelligence-sharing, technological disparities, legal differences and institutional coordination.
• Addressing them requires:
  • strengthening India-U.S. maritime information-sharing;
  • integrating IPMDA with IFC-IOR and partner systems;
  • expanding participation among ASEAN and Pacific Island states;
  • improving satellite, radar and AIS-based surveillance;
  • providing smaller states with technology and training;
  • developing common protocols for suspicious maritime activity;
  • combating illegal fishing, smuggling and sanctions evasion; and
  • ensuring cooperation remains consistent with sovereignty and international law. 

Conclusion

• The future of the Indo-Pacific depends on protecting the maritime foundations of global commerce.
• India-U.S. cooperation must therefore extend beyond trade, energy and diplomatic concerns to include collective maritime security.
• Through IPMDA, the Quad, IFC-IOR and wider regional partnerships, India and the United States can promote a more transparent and resilient maritime order.
• Freedom of navigation requires continuous awareness, information-sharing and collective action.
• In an era of grey-zone competition, transparency can serve as a powerful deterrent and help secure the Indo-Pacific as a foundation of global economic stability.