ADP 3-90, page 88

Glossary Glossary-2 ADP 3-90 31 July 2019 *alternate position A defensive position that the commander assigns to a unit or weapon system for occupation when the primary position becomes untenable or unsuitable for carrying out the assigned task. *approach march The advance of a combat unit when direct contact with the enemy is intended. *area defense A type of defensive operation that concentrates on denying enemy forces access to designated terrain for a specific time rather than destroying the enemy outright. area of influence A geographical area wherein a commander is directly capable of influencing operations by maneuver or fire support systems normally under the commander’s command or control. (JP 3-0) area of interest That area of concern to the commander, including the area of influence, areas adjacent thereto, and extending into enemy territory. (JP 3-0) area of operations An operational area defined by a commander for land and maritime forces that should be large enough to accomplish their missions and protect their forces. (JP 3-0) *area reconnaissance A type of reconnaissance operation that focuses on obtaining detailed information about the terrain or enemy activity within a prescribed area. *area security A type of security operation conducted to protect friendly forces, lines of communications, and activities within a specific area. ARFOR The Army component and senior Army headquarters of all Army forces assigned or attached to a combatant command, subordinate joint force command, joint functional command, or multinational command. (FM 3-94) Army personnel recovery The military efforts taken to prepare for and execute the recovery and reintegration of isolated personnel. (FM 3-50) *art of tactics Three interrelated aspects: the creative and flexible array of means to accomplish missions, decision making under conditions of uncertainty when faced with a thinking and adaptive enemy, and the understanding of the effects of combat on Soldiers. *assailable flank A flank exposed to attack or envelopment. *assault position A covered and concealed position short of the objective from which final preparations are made to assault the objective. *assault time The moment to attack the initial objectives throughout the geographical scope of the operation. assured mobility A framework—of processes, actions, and capabilities—that assures the ability of a force to deploy, move, and maneuver where and when desired, to achieve the commander’s intent. (ATP 3-90.4) *attack A type of offensive operation that destroys or defeats enemy forces, seizes and secures terrain, or both.