2-19. Direct action missions may also support locating, recovering, and restoring to friendly control selected persons or materiel that are isolated and threatened in sensitive, denied, or contested areas. These missions usually result from situations that involve political sensitivity or military criticality of the personnel or materiel being recovered from remote or hostile environments. These situations may arise from a political change, combat action, chance happening, or mechanical mishap. Army special operations forces can use close quarters battle in direct action operations. Close quarters battle is sustained combative tactics, techniques, and procedures employed by small, highly trained special operations forces using special purpose weapons, munitions, and demolitions to recover specified personnel, equipment, or material (ADP 3-05). Direct action operations differ from the personnel recovery method of combat search and rescue by the use of—