text: Glossary
  limit of advance
  A phase line used to control forward progress of the attack. (ADP 3-90)
  *line formation
  A movement formation in which elements move abreast of each other.
  *line of contact
  A general trace delineating the location where friendly and enemy forces are engaged.
  line of departure
  In land warfare, a line designated to coordinate the departure of attack elements. (JP 3-31)
  *linkup
  A type of enabling operation that involves the meeting of friendly ground forces, which occurs in a
  variety of circumstances.
  *linkup point
  A designated place where two forces are scheduled to meet.
  local security
  The low-level security activities conducted near a unit to prevent surprise by the enemy. (ADP 3-90)
  *logistics package
  A grouping of multiple classes of supply and supply vehicles under the control of a single convoy
  commander.
  *main battle area
  The area where the commander intends to deploy the bulk of their unit to defeat an attacking enemy.
  main body
  The principal part of a tactical command or formation. It does not include detached elements of the
  command, such as advance guards, flank guards, and covering forces. (ADP 3-90)
  main effort
  A designated subordinate unit whose mission at a given point in time is most critical to overall mission
  success. (ADP 3-0)
  maneuver
  Movement in conjunction with fires. (ADP 3-90)
  *march column
  All march serials using the same route for a single movement under control of a single commander.
  *march serial
  A subdivision of a march column organized under one commander.
  *march unit
  A subdivision of a march serial.
  mass casualty
  any number of human casualties produced across a period of time that exceeds available medical
  support capabilities. (JP 4-02).
  medical evacuation
  The timely and effective movement of the wounded, injured, or ill to and between medical treatment
  facilities on dedicated and properly marked medical platforms with en route care provided by medical
  personnel. (ATP 4-02.2)
  *meeting engagement
  A combat action that occurs when a moving force engages an enemy at an unexpected time and place.