You can't defend what you can't see

Canadian sovereignty starts with maritime domain awareness

Canada is responsible for the largest coastline in the world: over 243,000 km spanning three oceans and accounting for approximately 15% of the world’s total coastline, more than the next four countries combined. For comparison, the US has only 20,000 km of coastline.

Yet despite the scale of that responsibility, Canada’s ability to maintain persistent awareness across its maritime domain remains limited.

The Royal Canadian Navy depends on 12 Halifax-class Frigates, 4 Victoria-class Submarines, and 12 Kingston class Coastal Defence Vessels. The Canadian Coast Guard has a dozen dedicated patrol vessels. Meanwhile, Canada’s marine exclusive economic zone (EEZ) exceeds 5.5 million square kilometres, including increasingly contested Arctic approaches.

That matters because maritime security has fundamentally changed.

The challenge is no longer simply defending against traditional naval threats. It is maintaining continuous awareness across an environment that is becoming more contested, technologically complex, and strategically important every year.

What is Maritime Domain awareness: Maritime domain awareness means having true and timely information about everything on, under, related to, adjacent to, or bordering a sea, ocean or other navigable waterway. This includes all related activities, infrastructure, people, cargo, vessels, or other means of transport. For marine security, it means being aware of anything in the marine domain that could threaten Canada's national security.

Maritime security today is fundamentally an information problem.

The countries that can observe continuously, integrate information quickly, and act decisively will hold the strategic advantage. The ones that cannot will increasingly depend on others to understand what is happening in their own waters.

That is why sovereign Maritime Domain Awareness capability matters.

Geography No Longer Protects Us

For decades, Canada benefited from geography. Oceans created distance from conflict and natural insulation from many traditional threats.

That assumption is now obsolete.

Climate change is transforming the Arctic into an active strategic theatre. Foreign activity in northern regions is increasing. Subsea infrastructure has become a growing security concern. Autonomous systems, cyber operations, electronic warfare, and persistent surveillance capabilities are reshaping how nations project influence and gather intelligence.

Oceans no longer separate Canada from strategic competition. They are now one of its primary theatres.

Maritime Domain Awareness Is More Than Ship Tracking

Maritime Domain Awareness is often misunderstood as simply knowing where vessels are.

In reality, it means maintaining true, timely, and actionable understanding of everything occurring across the maritime environment: on the surface, below it, above it, and increasingly across the digital and electromagnetic layers that define modern operations.

That includes:

  • commercial and military vessel activity,

  • subsea infrastructure,

  • cargo movement,

  • anomalous behaviour,

  • electronic emissions,

  • autonomous systems,

  • cyber threats,

  • and communications activity.

The challenge is not collecting data. The challenge is generating usable understanding at national scale.

Modern maritime awareness depends on integrating sensors, satellites, communications systems, analytics, intelligence, and operational decision-making into a coherent system capable of delivering persistent situational awareness.

This is no longer just a naval capability.

It is a national technology capability.

Canada’s Maritime Security Challenge Is a Scale Problem

Canada’s maritime security challenge is ultimately a scale challenge.

The operational distances alone are enormous:

  • St. John’s to Prince Rupert: ~5,600 nautical miles

  • Nuuk to Dutch Harbor: ~3,500 nautical miles

  • Halifax to Portsmouth: ~2,600 nautical miles

At the same time, Canada faces growing pressure on personnel, procurement, sustainment, and readiness.

A single Halifax-class frigate requires over 200 personnel to operate. Even highly capable naval assets cannot maintain persistent presence everywhere simultaneously.

High-end crewed assets are extraordinarily capable. They are also expensive, manpower-intensive, and limited in number.

Scale challenges cannot be solved using industrial-age operating models alone.

Information Dominance Is the New Strategic Advantage

Modern defence advantage increasingly belongs to whoever can:

  • sense first,

  • classify faster,

  • integrate information effectively,

  • and make decisions more quickly than adversaries.

That is especially important in the maritime domain because threats are often ambiguous long before they become overt:

  • subsea mapping activity,

  • electronic surveillance,

  • infrastructure monitoring,

  • suspicious shipping behaviour,

  • communications anomalies,

  • and grey-zone operations.

Persistent awareness becomes the foundation of deterrence.

Why Sovereign Technology Capability Matters

In the digital era, sovereignty increasingly depends on control of critical technologies, not just physical territory.

If Canada relies entirely on foreign-owned systems for maritime awareness, then Canada does not fully control:

  • its operational visibility,

  • its software infrastructure,

  • its data architecture,

  • or its long-term strategic flexibility.

Modern Maritime Domain Awareness systems increasingly depend on AI-enabled analytics, satellite integration, cloud infrastructure, advanced communications, and software-defined architectures.

These are no longer static hardware acquisitions. They are evolving technology ecosystems.

The nation that controls the software stack, sensor architecture, data infrastructure, and operational integration increasingly controls the capability itself.

That is why sovereign technology development matters.

Sovereignty Starts With Awareness

Canada’s maritime challenge is not simply defending territory.

It is maintaining persistent awareness across one of the largest and most strategically important maritime domains in the world.

That requires more than ships.

It requires sovereign technology capability, integrated sensing systems, resilient communications infrastructure, and the ability to generate decision advantage continuously and independently.

Because in the modern maritime domain, awareness is no longer a supporting capability.

Awareness is the capability that enables all others.

And sovereignty starts with awareness.

If you’re working on maritime domain awareness, Arctic security, autonomous systems, or sovereign sensing infrastructure, I’d be interested in comparing notes. Canada has a real opportunity to lead here, but only if we start treating awareness as core national infrastructure rather than a supporting function.

To get in touch with Mike, you can message him directly on LinkedIn.

Further reading:

BBC News. (2024). Russia and China bomber patrols intercepted near Alaska.

https://www.bbc.com/news/articles/c9vx0p77pn8o

Canadian Coast Guard. (n.d.). Fleet database. Government of Canada.

https://www.canada.ca/en/canadian-coast-guard/services/fleet/fleet-database.html