What is the maximum number of vehicles a Serial Commander can manage when detached from the march column?

The correct answer reflects the training and guidelines concerning the responsibilities and capacity of a Serial Commander when managing a detached group from the main march column. A Serial Commander is tasked with overseeing the movement and coordination of a specific number of vehicles in a convoy or tactical movement situation. The figure of 20 vehicles is established in military doctrine, ensuring the commander can effectively maintain situational awareness, communication, and control over the vehicles under their command.

This capability allows the commander to focus on operational effectiveness while accounting for the logistical and tactical aspects of the vehicles, such as navigation, fuel management, and communication with higher command. The training emphasizes that managing more than 20 vehicles can dilute a commander's effectiveness and lead to potential mismanagement of the convoy's operational integrity. Other listed options reflect lower numbers, but according to the established standards, 20 is the maximum to ensure optimal command and control by a Serial Commander.