What is the distance from one man's shoulder to the shoulder of the man next to him referred to as?

The term that refers to the distance from one man's shoulder to the shoulder of the man next to him is known as interval. This concept is crucial in military formations, where maintaining proper intervals between personnel is essential for unit cohesion, discipline, and effective movement. A correct interval allows troops to maneuver without obstruction and facilitates communication and control among squad members.

In contrast, the other terms have distinct meanings that do not apply to the spacing between individuals in formation. Distance generally refers to space in a broader sense and does not specify the context of military arrangement. Alignment pertains to the arrangement of personnel in a straight line or according to a prescribed formation, while formation describes the overall arrangement of troops in a designated tactical configuration. These definitions underline the importance of understanding specific military terminology to ensure effective communication and operations.