To march a unit a short distance to the rear, what will the command be?

The command used to march a unit a short distance to the rear is indeed "Backward March." This command instructs the personnel to proceed in reverse, maintaining proper alignment and formation while executing the movement. The term "Backward March" is specific and clearly communicates the action required, ensuring that all members of the unit understand to move in reverse without ambiguity.

Using this command allows for a controlled and precise maneuver, which is crucial during drills and formations. The other options might imply a movement to the rear, but they do not have the same established military connotation. "Reverse March" could easily be confused with turning around and moving in the opposite direction rather than simply moving backward. "Retreat March" suggests a withdrawal under pressure, which is not the intent in this context, and "Fall Back" could be interpreted as more of a casual or unstructured movement rather than a precise drill command.

The choice of "Backward March" ensures that the command is recognized as a standard drill movement, maintaining the desired level of discipline and organization within the unit.