In the film Pressure, the events leading up to the June 1944 D-Day invasion offer a powerful lesson about leadership under uncertainty. Supreme Allied Commander Gen. Dwight D. Eisenhower had to decide if the weather would allow the invasion of Normandy to proceed. Scottish meteorologist Group Captain James Stagg warned that a powerful storm would make the planned June 5 assault too dangerous. His forecast conflicted sharply with the more favorable prediction of U.S. meteorologist Col. Irving P. Krick, whose analysis relied heavily on historical weather patterns.

Stagg held his ground. Eisenhower postponed the invasion, and severe weather arrived on June 5. Then the forecast changed again. New data revealed a brief break in the storms, and Stagg advised that June 6 offered a narrow window in which the Allies could act. Eisenhower gave the order. The invasion achieved strategic surprise and began the liberation of Western Europe.

Early in the film, Eisenhower tells Stagg, “I don’t want your best. I already expect that. I need certainty.” It is an understandable but impossible demand.

Leaders rarely get certainty. They get incomplete information and competing forecasts, yet must take responsibility for what happens next. The best leaders do not eliminate uncertainty; they learn to distinguish between risks that require delay and risks that must be accepted in order to move forward.

That distinction matters because waiting is not a neutral choice. Every delay has a cost. A company that postpones an acquisition may lose the target to another buyer. A business that waits to pursue a new market may surrender the best customers and partners to an earlier entrant. An organization that delays an artificial intelligence initiative until the technology is “settled” may discover that competitors have already built the data, skills and operating experience needed to widen their advantage.

The apparent safety of waiting can be deceptive. Delay often trades a visible risk today for a less visible, but potentially greater, risk tomorrow. Options narrow. Costs rise. Talent moves on. Customers form new habits. And when the organization finally acts, it may be forced to do so with less time, less leverage and fewer good choices.

This dynamic is especially relevant in the moving and relocation industry. Demand shifts with housing activity, interest rates, consumer confidence, military policy, migration patterns, and the broader economy. Technology is changing how customers research, compare and purchase services. None of these forces will pause long enough to give us a perfectly stable operating environment. If we wait for every signal to align, the market will have changed again before we begin.

Economics offers a useful way to think about the situation. A basic supply-and-demand graph shows a single point of equilibrium where price and quantity meet. In the real world, however, that point is always moving. Customer preferences change. New substitutes emerge. Competitors adjust prices. Sellers find new efficiencies. The market is not moving toward a permanent state of balance; it is continuously creating a new one.

The same is true of the larger business environment. Over the past three decades, periods that felt stable were interrupted by the dot-com collapse, the housing and financial crisis, a global pandemic, supply-chain disruptions, and dramatic shifts in trade policy. The specific events were difficult to predict. The fact that disruption would eventually arrive was not.

Yet, many companies still build plans around a return to “normal.” They treat uncertainty as a temporary condition to be endured rather than a permanent feature of leadership. They spend too much time trying to predict the next disruption and too little time building the capacity to respond when it comes.

That is what Eisenhower and the Allied command understood. The decision to launch on June 6 was not improvised. It rested on years of planning, logistics, training and contingency preparation, including hard lessons from the disastrous Exercise Tiger rehearsal. Preparation did not remove the risk. It made action possible when the window opened.

Business leaders should prepare the same way. We should define in advance what evidence would justify action, identify the risks we can absorb and those we cannot, and preserve enough financial and organizational capacity to move quickly. We should run small experiments, develop alternatives and revisit assumptions as new information arrives. Preparation turns uncertainty from a reason to freeze into a condition we can navigate.

This does not mean acting recklessly or celebrating risk for its own sake. Eisenhower postponed the invasion when the evidence showed that the original plan had become too dangerous. Strong leadership is neither endless delay nor blind decisiveness. It is the discipline to update your judgment, wait when the facts demand it, and act when the odds become acceptable, even though they will never become perfect.

Abraham Lincoln captured the limits of leadership when he wrote, “I claim not to have controlled events, but confess plainly that events have controlled me.” Leaders cannot control every event, but they can control whether their organizations are prepared to respond.

There is no permanent calm ahead. There are only changing conditions and, within them, brief windows of opportunity. The companies that succeed will not be the ones that waited longest for certainty. They will be the ones that prepared early, recognized the opening, and had the courage to move while others were still waiting for perfect weather.