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Why are flexibility and discipline both important in military tactics?

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tactics Sumerian phalanx, a block of foot soldiers depicted standing shield-to-shield, presenting spears, and advancing in a dense mass, detail from the Stele of the Vultures, limestone bas-relief, c. 2450 bce; in the Louvre Museum, Paris.

In military tactics, flexibility and discipline are essential, though they can be difficult to balance.

The Role of Flexibility

Tactics involve confronting a living enemy, meaning a commander cannot simply execute a static plan. Because the enemy reacts and adapts, a commander must possess the ability to adjust plans rapidly and smoothly without losing control of the force. Flexibility is a cardinal principle because it allows a unit to navigate the chaos of war, where conditions, terrain, and enemy actions are constantly shifting.1

The Role of Discipline

Discipline provides the necessary framework to bind that flexibility. Without a firm disciplinary structure, a force may lose its cohesion when attempting to adapt to new circumstances. Military law serves as the foundation for maintaining this order, ensuring that troops remain capable of coordinated action even under extreme danger, fatigue, or confusion.12

Ultimately, the challenge of effective tactics lies in striking a balance: a force must be disciplined enough to maintain unity of command and execution, yet flexible enough to innovate and respond to an evolving battlefield.13