What does the term "concealment" refer to in military operations?

In military operations, "concealment" specifically refers to the act of hiding movements and positions from enemy observation. This involves using various methods such as terrain, vegetation, and artificial structures to obstruct the line of sight or detection capabilities of the adversary. Concealment is crucial in avoiding detection, which allows forces to execute their missions more effectively without giving away their intentions or locations.

The other concepts provided in the choices, while important to military strategy, do not accurately capture the essence of concealment. Protection against gunfire is more about fortifications or defensive strategies rather than hiding. Planning tactical maneuvers involves strategy and decision-making processes, not the act of hiding itself. Strengthening logistical support focuses on the supply and resource management aspects of operations, which are separate from the idea of concealment. Thus, the definition focused on hiding is the most precise and relevant to military operations.