e. Vehicles not required in the defense of the for- ward areas are withdrawn to the regimental train bivouac or other suitable location where their pre- scribed loads are reconstituted with ammunition hauled from the army ammunition supply point in
any available large capacity vehicles. prescribed amounts of ammunition for battalion(s), the antitank company, and
After the the reserve the cannon
company have been part of the vehicles
placed on the of these units
positions, all or
hicles left in
other than ammunition train the forward area under unit
may so as
insure availability of a mobile and transportation for these
defilade and concealment and use of vehicles are factors to termining which vehicles are ward area.
the probable future be considered in de- to be left in the for-
29. RETROGRADE MOVEMENTS. Plans for am- munition supply in a retrograde movement should insure the following:
a. Supply of covering force. Ammunition for the covering force may be provided by transfer from other units or by release of certain ammunition train vehicles. A careful estimate of probable needs is imperative to avoid replenishing, abandoning, or destroying ammunition when the covering force withdraws.
b. Supply of delaying units. Delaying units pro- vide themselves with such stocks of ammunition as they are able to move from the initial position. They