text: Glossary
  *vee formation
  A movement formation with two elements abreast and one or more elements trailing.
  *vertical envelopment
  A variation of envelopment where air-dropped or airlanded troops attack an enemy forces rear, flank,
  or both.
  warfighting function
  A group of tasks and systems united by a common purpose that commanders use to accomplish
  missions and training objectives. (ADP 3-0)
  *wedge formation
  A movement formation with one lead element and the trail elements are paired off abreast of each
  other on the flanks.
  withdraw
  To disengage from an enemy force and move in a direction away from the enemy. (ADP 3-90)
  zone
  An operational area assigned to a unit in the offense that only has rear and lateral boundaries. (FM 3-0)
  *zone reconnaissance
  A form of reconnaissance operation that involves a directed effort to obtain detailed information on all
  routes, obstacles, terrain, and enemy forces within a zone defined by boundaries.