Former US defence secretary Donald Rumsfeld once offered a framework that became famous for reasons both serious and satirical. He divided knowledge into four categories: known knowns, known unknowns, unknown knowns and unknown unknowns. Beneath the awkward phrasing lay a profound strategic insight. States rarely fail because they know too little. They fail because they misread what they know, ignore what they should know and fail to imagine what they cannot yet see.

For Bangladesh, this framework is no longer an academic curiosity. It is a mirror. The question isn't whether threats exist. It's whether the state is preparing for the security landscape that's emerging or clinging to assumptions inherited from a different era.

The Known Knowns: Threats We Recognise but Underestimate

Bangladesh is already familiar with many of the risks confronting it. Climate insecurity. Cyber threats. Maritime competition. Border tensions. Economic dependence. Strategic pressure from major powers. Disinformation. The Rohingya crisis. Water politics. Energy vulnerability. Demographic pressures and institutional corruption.

None of these dangers are hidden. They appear in policy papers, conference discussions and official statements. Yet recognising a threat isn't the same as preparing for it. Awareness without adaptation quickly becomes complacency.

Take the Bay of Bengal. Bangladesh knows it occupies an increasingly strategic maritime space at the intersection of growing competition between the United States, China and India. Ports, sea lanes, subsea cables and logistics networks are becoming instruments of geopolitical influence. Yet maritime security still struggles to command the political attention granted to more immediate concerns, despite the fact that future prosperity and sovereignty will depend heavily on what happens at sea.

The same applies to cyberspace. Conflict no longer begins only with troops crossing borders. It can begin with stolen data, manipulated information, disrupted infrastructure or attacks on public trust. Yet responsibility for digital security remains fragmented across institutions that often lack a shared strategic framework.

These are known knowns. The danger isn't ignorance but complacency. History suggests that states are often punished not for failing to identify threats, but for failing to respond to them in time.

The Known Unknowns: Threats We Acknowledge but Struggle to Anticipate

Then come the known unknowns, the challenges we know are approaching but whose consequences remain uncertain.

Bangladesh understands that artificial intelligence will reshape warfare, governance, diplomacy and economic competition. What remains unclear is the scale of disruption. How will AI transform labour markets, influence elections, manipulate public opinion or alter the balance between large and small states?

The same uncertainty surrounds emerging domains of competition. Future conflicts may unfold through autonomous systems, undersea infrastructure, satellite networks and information ecosystems as much as through conventional military force. Yet strategic thinking often remains tied to geography and territory, while power increasingly flows through networks, technology and data.

Economics presents a similar challenge. Bangladesh knows its growth model carries vulnerabilities. Exports remain concentrated, energy imports expose the economy to external shocks and global supply chains are increasingly shaped by geopolitical rivalry. Yet security debates frequently treat economics as a separate sphere. In reality, financial resilience, technological capability and industrial diversification are now central components of national power.

The challenge of the known unknown is as much psychological as strategic. Uncertainty encourages delay. Policymakers convince themselves that because a crisis is not immediate, it is not urgent. Strategic shocks rarely offer such courtesy.

The Unknown Knowns: The Truths We Possess but Prefer to Ignore

Perhaps the most dangerous category for Bangladesh is the unknown known, the truths already embedded within society but routinely ignored, buried or denied.

Bangladesh already knows that governance failures can weaken national resilience more effectively than many external threats. Corruption, institutional weakness and political interference are often treated as administrative concerns when they are, in fact, security concerns. Institutions that lack credibility, professionalism or public trust become vulnerable long before a crisis arrives.

The country also possesses lessons from its own history that are sometimes overlooked. The liberation war demonstrated that legitimacy, social cohesion and national morale are strategic assets. Yet contemporary security debates can become overly focused on procurement, platforms and budgets.

Military capability matters. But resilience matters more.

History offers countless examples of states that possessed formidable arsenals yet struggled because institutions decayed, elites fragmented and leaders failed to adapt to changing realities.

There is another uncomfortable truth embedded in South Asian political culture. Silence is too often mistaken for stability. Problems that cannot be discussed openly rarely disappear. They accumulate beneath the surface until they become crises. Any security system that discourages dissenting analysis risks blinding itself to emerging threats.

The Unknown Unknowns: The Shocks We Cannot Yet Imagine

The final category is the most unsettling. Unknown unknowns are the events that sit beyond conventional forecasting.

Few anticipated the speed of the Soviet Union's collapse. Few predicted that a pandemic would expose vulnerabilities across even the most powerful states. Technological and geopolitical disruptions frequently arrive faster than experts expect.

The next strategic shock facing Bangladesh may not resemble anything currently dominating policy discussions. It could emerge from climate displacement, a major cyber disruption, a breakdown in critical supply chains, water scarcity or a convergence of crises that overwhelms institutions designed to manage them separately.

The defining feature of unknown unknowns isn't simply surprise. It's unpreparedness.

That is why resilient states do not attempt to predict every threat. They build institutions capable of adapting when predictions fail. National security today is less about forecasting the future perfectly than about developing the capacity to absorb shocks and learn under pressure.

Beyond Military Thinking: Towards Strategic Consciousness

Bangladesh's greatest security challenge may ultimately be conceptual rather than military.

Security today encompasses economic resilience, technological capability, institutional integrity, energy security, food systems, education, digital sovereignty and public trust. A state can acquire more military hardware and still become more fragile.

The countries that thrive in an age of uncertainty won't necessarily be the strongest. They'll be the most adaptive. That demands a strategic culture willing to question assumptions, reward honest analysis and think beyond immediate political cycles.

Most importantly, it requires strategic imagination.

Because the gravest danger facing any nation isn't always the threat it can identify. It's the threat it never imagined until it was too late.

 

Writer: Commodore Syed Misbah Uddin Ahmad, (C), NUP, ndc, afwc, psc, BN (retd), Director General, Bangladesh Institute of Maritime Research and Development (BIMRAD). Email: misbah28686@gmail.com