What command is used to halt a marching unit?

The command used to halt a marching unit is "Halt." This command is a standard military term recognized universally within various branches of the armed forces. When the command "Halt" is given, it instructs the unit to stop all movement and come to a complete standstill. The term is concise and clear, allowing for immediate understanding and execution by the soldiers or personnel involved.

In a military context, using precise language is crucial to ensure effective communication and maintain order during maneuvers. Other phrases such as "Freeze," "Stand still," or "Stop marching" may not carry the same authoritative weight or clarity as "Halt." These alternatives could lead to confusion or misinterpretation during drills or exercises, making "Halt" the preferred and correct command for this situation.