This is a translation of a captured German field manual on the tactics of the motorized infantry regiment and battalion when used as part of the German armored division. It contains provisional instructions for the employment and tactics of the regiment and battalion. Contents include: nature and tasks of motorized infantry; weapons and their performances; influence of ground on movement and tactics; principles of fire employment; principles of tactical employment; reconnaissance and observation; movement; deployment and detrucking; attack; pursuit; defense; breaking contact; fighting under special conditions; rest period; organic transportation; combat trains; and supply