the best protection from attack and still affords ade- quate control and maintenance of direction. Stand- ing operating procedure should be such as will insure that the vehicles will get through to their destination, and should include a prohibition against halting the column unless so ordered by competent authority. One or more guards should accompany each vehicle to man individual weapons and those mounted on vehicles. All guards should be on the alert to give warning of impending air, ground, or chemical attack.
(b) When the situation indicates that available personnel is insufficient to provide adequate secur- ity, a specific request should be made for such re-
(including transportation) as
. (1) During a route march, the trans-
portation platoon, less sections released to subordin- ate units, comprises a part of the regimental motor column, which usually moves by bounds in rear of the foot elements of the main body. (See par. 24.) Vehicles of the ammunition train usually precede other components of the platoon and travel in the order in which they will probably be released.
(2) The maintenance section marches at the rear of the motor column, prepared to repair or tow un- serviceable reparable vehicles.
j. Combat. For conduct of the transportation pla- toon in combat, see chapters 2 and 3.