Forward line of troops

The relative positions of the contaminated area, forward line of troops, and threat air defense systems will determine where helicopters may be used in the evacuation process. Some helicopters may be restricted to contaminated areas. Ground vehicles should be used to cross the line separating clean and contaminated areas. The routes used by ground vehicles to cross between contaminated and clean areas are considered dirty routes and should not be crossed by clean vehicles. Consider the effects of wind and time upon the contaminants some agents will remain for extended periods of time. 

The current medical system to support the U.S. Army at war is a continuum from the forward line of troops through the continental United States it serves as a primary source of trained replacements during the early stages of a major conflict. The system is designed to optimize the return to duty of the maximum number of trained combat soldiers at the lowest possible echelon. Far-forward stabilization helps to maintain the physiology of injured soldiers who are unlikely to return to duty and allows for their rapid evacuation from the battlefield without needless sacrifice of life or function. 

As long as the Third Army had been rolling forward it doubtless had been more concerned with fuel oil than fog oil. Its rapid advance of August left little room for the tactics of concealment, smoke or otherwise. Consequently, those smoke troops which had been assigned to Third Army had left their generators and turned to transportation duties on the supply line, whose tail extended clear back to the Normandy beaches. 

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