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Geopolitics & DefenseNational Security

India, Australia Forge Underwater Domain Awareness Partnership

Submarine emerges from ocean depths with sonar operator monitoring underwater map on laptop screen.

Who watches the deep when the deep itself becomes more crowded? As small, uncrewed submarines and other submersibles proliferate in the Indian Ocean and adjacent waters, one clear prescription emerges from recent analysis: India and Australia need to start cooperating in detecting, monitoring and understanding what’s going on underwater.

What the problem is, in plain terms

The central, unambiguous point of the source material is straightforward. The maritime environment beneath the surface is changing; the number and variety of submarines operating in the Indian Ocean and nearby seas is increasing, and among those platforms are small, uncrewed submarines. In response, the analysis calls for India and Australia to begin a cooperative effort focused on three linked tasks: detecting activity below the waves, maintaining ongoing monitoring, and developing shared understanding of what monitored data means.

Current situation summarized

The source frames the matter as one of immediate emphasis rather than distant planning: proliferation of submarines—especially small, uncrewed ones—is underway in the region. That proliferation creates a demand for action that the source identifies as joint work on underwater domain awareness. The three components named—detection, monitoring and understanding—define a basic architecture for any cooperative program that seeks to make the subsurface more visible and intelligible to decision-makers and operators.

Why this matters

Making underwater activity more observable is not an abstract exercise. If small, uncrewed submarines become a common feature of the ocean environment, the types of questions policymakers and operators must answer change. Who or what is operating where? When does an underwater contact merit a response, and when is it routine activity? How should nations share information about contacts to reduce risk and avoid misunderstanding?

The source links those operational questions to a policy prescription: cooperation between India and Australia directed at the tasks of detection, sustained monitoring and collective interpretation. By setting that course, the analysis implies that unilateral efforts may be insufficient to keep pace with the changes below the surface.

Different perspectives on cooperation

  • Technologists: From a technical viewpoint, the piece suggests the core challenges are sensing and interpretation—how to detect small platforms, how to maintain reliable monitoring, and how to turn sensor data into actionable information. Those tasks imply cross-domain engineering and data work: integrating sensors, establishing tracking continuity, and developing common standards for interpretation.
  • Policymakers: For policymakers, the recommendation is procedural and strategic: initiate bilateral cooperation focused on the specified tasks. That approach steers attention toward building mechanisms for collaboration rather than leaving each country to meet the challenge alone.
  • Operational users: Naval and maritime operators are the implied end-users of improved underwater domain awareness. Better detection and monitoring should, the analysis argues, yield clearer situational pictures that inform decisions at sea and in political capitals.
  • Adversarial or competitive actors: Although the source does not elaborate on actors’ motivations, the very fact of proliferation of small, uncrewed submarines suggests that new platforms will complicate how states perceive and respond to undersea activity—making the case for cooperative efforts to reduce uncertainty.

How cooperation might be framed

While the source does not prescribe specific programs or technologies, it does articulate a logical sequence: detection feeds monitoring, monitoring enables understanding. Translating that sequence into policy could mean creating shared protocols for sensor deployment, real-time data exchange, and joint analytical frameworks. The analysis implies that aligning those elements between India and Australia would improve both countries’ ability to see and interpret undersea activity.

Crucially, the call is for the two countries to “start cooperating” now—an exhortation that stresses timing. The implication is that delay risks leaving responsibility for underwater awareness bifurcated or inadequate in the face of growing numbers of small, potentially harder-to-detect platforms.

Any cooperation that aims to improve underwater domain awareness must contend with practical trade-offs: the technical difficulty and cost of persistent sensing, the procedural complexity of sharing potentially sensitive information, and the diplomatic effort required to align priorities. The source does not prescribe solutions to those trade-offs, but frames the cooperation itself as the priority.

As the undersea environment becomes busier, the question is not whether to pay attention but how to pay attention together. If India and Australia take the source’s advice, they will begin the work of building the collective eyes and analysis necessary to know what is happening beneath the waves. If they do not, the region may face a quieter yet deeper form of uncertainty. Who will see first—and what will they make of what they see?

https://www.aspistrategist.org.au/a-priority-for-india-australia-cooperation-underwater-domain-awareness/