pleted, the most important features of the materiel should be destroyed, and parts essential to the oper- ation or use of the materiel and which cannot be easily duplicated should be ruined or removed. The same essential parts must be destroyed on all like units to prevent the enemy's constructing one com- plete unit from several damaged ones.
(4) To accomplish adequate and uniform destruc- tion of materiel, all echelons must-
(a) Prepare plans for the destruction of materiel in the event of imminent capture. Such plans must be flexible as to the available time, equipment, and personnel. These plans should include several desig- nated procedures arranged in order of their effec- tiveness. The factors listed in (2) above will deter- mine which of these plans will be put into effect; the sequence outlined in the plan should be adhered to strictly.
(b) Be thoroughly trained in the use of all the prepared plans or methods of destruction. This training will not involve the actual destruction of materiel.
b. Destruction of motor vehicles. (1) GENERAL. Any method of destruction resorted to must be such as to prevent the enemy from putting the vehicle back in service with the means available to him in the combat zone. Every advantage should be taken of any feature of the terrain that might lend itself to vehicle destruction. Frequently a vehicle may be crashed into other vehicles, trees, walls, or banks,