MCRP 12-10B.1, page 363

necessary personnel and communications to do the same. (FMFRP 0-14) combat service support (CSS)CThe essential capabilities, functions, activities, and tasks necessary to sustain all elements of operating forces in theater at all levels of war. Within the national and theater logistic systems, it includes but is not limited to that support rendered by service forces in ensuring the aspects of supply, maintenance, transportation, health services, and other services required by aviation and ground combat troops to permit those units to accomplish their missions in combat. Combat service support encompasses those activities at all levels of war that produce sustainment to all operating forces on the battlefield. (Joint Pub 1-02) combat support (CS)CFire support and operational assistance provided to combat elements. (Joint Pub 1-02) combat support (CS)CUnits that provide critical combat functions in conjunction with combat arms units to secure victory (MCRP 5-2A, modified). command post (CP)CA unit’s or subunit’s headquarters where the commander and the staff perform their activities. In combat, a unit’s or subunit’s headquarters is often divided into echelons; the echelon in which the unit or subunit commander is located or from which such commander operates is called a command post. (Joint Pub 1-02) containCA tactical task to restrict enemy movement. (MCRP 5-2A) coverC1. Shelter or protection from enemy observation that reduces the effects of enemy direct and indirect fire. 2. A type of security operation that protects the force from surprise, develops the situation, and gives commanders time and space in which to respond to the enemy’s actions. (MCRP 5-2A) D defendCA combat operation designed to defeat an attacker and prevent him/her from achieving his/her objectives. It employs all means and methods available to prevent, resist, or destroy an enemy attack. Forms of defensive operations are area and mobile. Choices of defensive operations are in-depth and forward. The defensive techniques are defend in sector, defend a battle position, and defend a strong point. (MCRP 5-2A) destroyC1. A tactical task to physically render an enemy force combat-ineffective unless it is reconstituted. 2. To render a target so damaged that it cannot function as intended nor be restored to a usable condition without being entirely rebuilt. (MCRP 5-2A) disruptCA tactical task or obstacle effect that integrates fire planning and obstacle effort to break apart an enemy’s formation and tempo, interrupt the enemy’s timetable, or cause premature commitment of enemy forces, or the piecemealing of his/her attack.(MCRP 5-2A) K - 4 MCWP 3-35.3