Whilst they can be deployed at the forefront of an assault, most Chapters employ their Vanguard Veterans as rapid-response forces, using Jump Packs or Rhinos to reposition and apply crucial pressure to an already over-taxed enemy defence, or to reinforce overmatched allies. Vanguard Veterans are famed for arriving at the time and place where their onslaught can make the most difference to a battle. Vanguard Veterans use speed itself as a weapon, to strike at the foe wherever he least expects; this was the way of war for jump troops in the ancient days of the Space Marine Legions, and it still serves well today. Such duty is arduous and never-ending, and Vanguard Veteran Squads are often referred to as a Captain's "iron fist." They are constantly in motion: as soon as one foe is annihilated