MCRP 12-10B.1, page 366

impede, destroy, and harass enemy reconnaissance within its capability without becoming decisively engaged. (MCRP 5-2A) searchCA systematic reconnaissance of a defined area, so that all parts of the area have passed within visibility. (Joint Pub 1-02) secureCA tactical task to gain possession of a position or terrain feature, with or without force, and to deploy in a manner which prevents its destruction or loss to enemy action. The attacking force may or may not have to physically occupy the area. (MCRP 5-2A) seizeCTo clear a designated area and obtain control of it. (FMFRP 0-14) suppressionCA tactical task to employ direct or indirect fires, electronic attack, or smoke on enemy personnel, weapons, or equipment to prevent or degrade enemy fires and observation of the friendly forces. (FMFRP 0-14) T terrorismCThe calculated use of violence or threat of violence to inculcate fear; intended to coerce or to intimidate governments or societies in the pursuit of goals that are generally political, religious, or ideological. (Joint Pub 1-02) Military Operations on Urbanized Terrain K - 7 II. Definitions