A patrol is commonly a group of individual persons or military units that are assigned to monitor a specific area; often to maintain rule of law and/or civil order. Military In military tactics, a patrol(pu'tro'wl) is often a small tactical grouping sent out by land, sea or air to perform a specific task. The basic task of a patrol is to follow a known route at regular intervals looking out for anything out of the ordinary — which if found will be reported or dealt with as appropriate.… (More on Patrol)